2013 HDD Supplement - Trenchless Technology Magazine

Transcription

drill pipe guidance system
electric reamer
River Crossing
Horizontal
Directional
Drilling Guide
mud pump
intersect
horizontal
environmental
wells sewer
pilot bore
drill pipe
reamer
mud pump
Fiber Optic
river crossing
River Crossing
swivels electric
environmental wells
Environmental Vacuumhorizontal
Excavation Fiber Optic
locating electric mud pump intersect
vacuum excavation reamer swivels
mud systems guidance systems
pilot bore water
drill bit mud motor
A Comprehensive Look at the
North American HDD Industry
tti_1-9.indd 1
2013
A SUPPLEMENT TO
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The STS design is
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the job site.
VENTURI AND
SHEAR FILTER
One of the great
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system & shear filter
cartridge combination,
is it’s ability to break
down large particle of
material and prevents
blockage of openings
in the nozzle, jets etc.
VACUUM-INDUCED
HOPPER
While you may be
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machine, our customers
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STS Mixers are the top performers for the right mix, every
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• 2”, 3” and 4” pump models to choose from
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M-750G
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Even when your drilling equipment supplier offers to throw in
the mud mixer at a great discount is this ultimately the right
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** Freight not included
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Horizontal Directional Drilling Guide
CONTENTS
36Fund Fiber Upgrade for
Stimulus Dollars Help
Antiquated ‘Ma Bell’ System
The existing Bell System infrastructure
serving several small rural communities
along the Iowa/Missouri border was an
aging system of spliced lines and slow
connections. So, Grand River Mutual
Telephone Corp. initiated an upgrade using
HDD. By Randy Happel
40
Trenchless Trends
8
HDD Market Having Strong, Solid 2013
Rig sales are up and the work is out there says
industry insiders of the 2013 HDD market.
By Sharon M. Bueno
Helping HDD contractors surpass
new thresholds is a piece of equipment that
was developed in 2000, but has continued
to gain market acceptance over the past
decade: the Herrenknecht Pipe Thruster.
By Bradley Kramer
42Projects Benefit from
Wind & Solar Power
HDD Technology
10
28
22
Dick Melsheimer is truly a legend of HDD.
But Dick, as well as anyone at Melfred
Borzall, will likely tell you it has been the
work of three generations of Melsheimers
who have helped grow the company for
nearly 70 years. By Andrew Farr
2013 Horizontal
Directional Drill Specs
Drill specs from North America’s drill rig
manufacturers.
Technical Paper: Design
Considerations for
Intersect Method of HDD
Unidirectional HDD has been the
conventional method of practice for many
decades. However, ever increasing project
challenges demand innovative methods of
pipe installation using HDD. One such
method is the intersect method. By Abhinav
Huli and Dennis Doherty
26Equipment Play Key Role
Locating Software and
in Illinois HDD Project
This project was a text book HDD project
using the latest technology to ensure and
prove success. By Siggi Finnsson
Trenchless Technology Supplement
AD INDEX
ADVERTISER . . . . . . . . . . . . . PAGE #
Barbco..................................................... 30
Benjamin Media Resource Center . . .............. 48
BMI OBG.................................................. 34
Carson Corpor tion..................................... 29
Carson Underground . . ............................... 27
Derrick Equipment..................................... 13
E & M Specialty Co. Inc............................. 54
4
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Three Generations of
the Melsheimer Family
Solidify Melfred Borzall’s
Place in the Advancement
of HDD Tools
32Oklahoma Contractor’s
HDD Plays Key Role in
Pipeline Work
Growing energy demands have helped keep
an Oklahoma-based group busy building
pipelines, constructing gas plants,
compressor stations, crude oil pumping
stations and assisting clients with material
acquisitions. By Jeri Lamerton
Gateway Directional Drilling . . ...................... 33
Geophysical Survey Systems Inc................ 35
Hard Rock HDDP....................................... 31
HDD Productivity & Profitability Seminar..... 17
J.T. Miller Inc............................................ 54
Kem-Tron Inc............................................ 23
Laney Directional Drilling........................... 34
Lee Supply.. .............................................. 25
McElroy Manufacturing Co......................... 54
Mears Group Inc....................................... 49
Melfred Borzall. . ............................Back Cover
Miller Pipeline........................................... 43
Mincon, Inc.............................................. 24
TRENCHLESS TECHNOLOGY SPECIAL SUPPLEMENT
The use of HDD is helping wind and solar
power projects gain installation efficiencies
in terms of labor and material costs.
By Steve Cooper
46Technology
Experience Trumps
In just a little more than 30 years, HDD
technological advances have been
tremendous with navigation/guidance
technology leading the way. These
improvements are not a result. They are the
catalyst for HDD expansion and growth.
By John English
50Showcase
Product
Mud Technology Intenational Inc.. . .............. 54
NASTT Archived Webinar........................... 29
Oz Directional Drilling................................ 32
PowerStream Technology........................... 54
Ritmo America.......................................... 32
Southeast Directional Drilling . . .................... 45
Straightline HDD Inc.................................... 7
Surface to Surface...................................... 2
Torquato Drilling Accessories, Inc.. . ............ 55
Underground Tools Inc............................... 47
Vermeer. . .................................................... 5
Wyo-Ben Inc............................................... 3
www.trenchlessonline.com
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EDITOR’S MESSAGE
PUBLISHER
Bernard P. Krzys
[email protected]
The 2013 Horizontal
Directional Drilling
Guide Is Back & Better
Than Ever!
EDITORIAL
We’re having a three-peat! For the third consecutive year, we
have published a special supplement on horizontal directional
drilling — the 2013 Horizontal Directional Drilling Guide.The response to our previous
HDD supplements was tremendous and buoys our perspective that the HDD market
continues to grow stronger and stronger.
In speaking with HDD rig manufacturers, a common thread connected all of their
thoughts about the HDD market: This is a great time to be in the HDD industry. New
equipment sales are increasing with each passing month, companies (manufacturing
and contractors) are consolidating their efforts to make the competition even
stronger and contractors have a backlog of work. Pipeline and utility construction,
longer crossings and wider diameters are driving the industry to greater heights and
widespread acceptance.
In the 2013 Horizontal Directional Drilling Guide, we take a look at one of the
HDD industry’s pioneers, Dick Melsheimer, who offers his insight into the early days
of the fledgling industry and how his company has been able to sustain its success.
I love when we can spotlight the history of the HDD industry, reflecting on how
this infrastructure- and construction-changing industry began and how it has evolved.
These are some of the most interesting stories we share with our readers.
The 2013 Guide also brings you interesting case studies and technology innovations
in dealing with pipeline, gas and telecom work. One of the most popular features of
the Guide has been our Drilling Rig Specs (starting on pg. 10), in which we invite
the drilling rig manufacturers to submit their rig product fleet for you, giving you a
glimpse of what these machines can do.You will notice a few additional players in this
year’s specs section from previous years — always a good sign for the industry!
We also enjoy bringing you the very latest in products and technology through our
Products Showcase. Each year, we invite manufacturers of HDD equipment to send
us a write up of their products and we also get an excellent response. The diversity
of products out there once again shows the growth and inventiveness of the market.
The 2013 Horizontal Directional Drilling Guide is a source of pride for our staff and
we enjoy bringing this special product to you. The HDD industry is vibrant, exciting
and expanding and we hope this book reflects those terms. I am looking forward to
what the future holds for the HDD industry and what we can bring to you in 2014!
Marketing Director: Kelly Dadich
[email protected]
Editor: James W. Rush
[email protected]
Managing Editor: Sharon M. Bueno
[email protected]
Assistant Editor: Andrew Farr
[email protected]
Contributing Staff Editors:
Brad Kramer • Keith Gribbins
Kelly Pickerel • Pam Kleineke
SALES+MARKETING
Regional Sales Manager: Dan Sisko
[email protected]
Conferences Manager: Melanie Roddy
[email protected]
Conferences Sales Coordinator: Brittany Maurer
[email protected]
PRODUCTION+FULLFILLMENT
Production Manager: Chris Slogar
[email protected]
Graphic Artists:
Sarah Haughawout
Deb McManus • Elizabeth Stull
Web/Interactive Manager: Mark Gorman
[email protected]
Audience Development Manager: Alexis R. White
[email protected]
Circulation & Fullfillment Coordinator: Lillian Lopeman
[email protected]
EDITORIAL ADVISORY BOARD
Chairman: Dr. Tom Iseley, P.E.
Indianapolis, Indiana, Professor/Director at CEMT at IUPUI
Dr. Samuel Ariaratnam P.E.
Arizona State University, Tempe, Arizona
Dr. David Bennett, P.E.
Bennett Trenchless Engineers, Folsom, California
Steven R. Kramer, P.E.
HNTB, Washington, D.C.
Joseph Loiacono, ing.
Sanexen, Montreal, Quebec
Irene McSweeney, P.E.
Boston Water and Sewer Commission,
Boston, Massachusetts
REPRINTS
Wright’s Media
Ph: 877-652-5295 • Fax: 281-419-5712
Sharon M. Bueno,
Managing Editor
Chief Executive Officer: Bernard P. Krzys
[email protected]
President: Robert Krzys
[email protected]
Controller: Marianne Saykes
[email protected]
6
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10050 Brecksville Rd.
Brecksville, OH 44141 USA
(330) 467-7588 • Fax: (330) 468-2289
e-mail: [email protected]
7/17/2013 1:35:07 PM
e
peman
at IUPUI
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7/17/2013 1:35:08 PM
HDD Market Having Strong, Solid 2013 By Sharon M. Bueno
T
he horizontal directional drilling industry is having a strong and stable
2013, industry manufacturers say,
with new equipment purchases up and
contractors taking advantage of the pipeline- and telecom-related work that is before them.
With the economy continuing to improve, the HDD industry is also is moving forward with contractors craving
new drill rigs and tooling to meet the
demand of work that needs to be done.
While optimism abounds, there is a backdrop of caution to their words as if no
one wants to jinx the building strength
of the HDD market. The hard lessons
learned from the troubled economy of
the past few years are being played out
by contractors who are smarter and savvier when it comes to their spending
and knowing what they looking for.
The HDD market players are walking
with a stronger bounce in their step these
days, shrugging off the anxiety and gloom
of the Great Recession of 2008. Over the
past few years, there have been HDD contractor, manufacturer and engineering
consolidations, including several in the
last year that involved leading manufacturers and large application contractors.
The Toro Co. joined the HDD party with
its acquisition of Astec Underground’s
drill rig line. The pioneering HDD manufacturer The Charles Machine Works purchased American Augers, giving it possession of its larger, pipeline-oriented drilling
rigs, as well as acquiring an industry-leading player in the used equipment market
MTI Equipment.Arizona-based contractor
Southeast Directional Drilling was purchased by Power Line Holdings and TR
Drill acquired the drill rig line of Tulsa Rig
Iron.What does all this mean for the HDD
industry as a whole?
Oil and gas continue to bolster and
drive the HDD market.The Marcellus shale
region — which encompasses all of Pennsylvania, as well as parts of New York, Ohio
and West Virginia — remains a hot spot
and so is the Bakken shale region in North
Dakota — which stretches from Canada to
North Dakota and in Montana and could
possibly be the largest finding in U.S. history, next to the oilfield in Alaska.These areas
have been a boon for contractors, particularly those who handle small- to mediumsize diameter pipe.The demand for 4G and
8
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Lots of changes in the HDD industry in the last year, including The Charles
Machine Works acquisition of American Augers line of maxi drill rigs.
The Toro Co. also entered the market, buying the rig line of Astec
Underground.
greater bandwidth continues to push the
telecom/fiber market.
In talking with HDD manufacturers for
this story, the same theme was invoked by
all with each interview:This is a great time
to be in the HDD industry.
State of the Market
Coming off a strong and solid 2012, the
HDD market started off 2013 a little slower but as the year has continued, work and
purchases increased.
“Last year was a great year for HDD and
this year also looks to be a good year so far,”
says Vermeer global product manager John
Kuyers, a veteran of the HDD industry.“It’s
going to be interesting. This market ebbs
and flows and we’ll have to see how long
the flowing continues before it ebbs again.
But I see that the contractors are busy and
they have a steady backlog of work.”
Some see the strength of the market as
an indication that horizontal directional
drilling is more accepted than ever. Richard Levings has been through HDD’s ups
and downs since its beginnings, experiencing the booms and busts of the market. Known for his years with Ditch Witch,
he recently was named the director of
product management at American Augers,
overseeing all of their product lines.
“The industry is going very well. Between 1990 and 2000, we built acceptance in the underground industry and
people became familiar with HDD. When
the fiber-optic boom took over, everybody
saw how HDD worked,” Levings says.“The
huge acceptance and change from open
trench to trenchless came after the fall of
the fiber market when we had all these
drilling units to do work and people started using them. Now, HDD is the method
of choice and accepted as very efficient
and cost-effective and we have contractors who know what they are doing.”
Levings also points to the oil and natural gas pipeline work that has buoyed
the HDD industry at just the right time
— at the start of the economic downturn
in 2009. “That kicked in at just the right
time,” he says. “They need everything
from 2-in. flow lines to large diameter
pipelines.As that market took off, some of
the traditional HDD markets started to rebound, such as telecom, water and sewer.
Though times have been tough for many,
it’s been very good for the underground
construction market.”
MTI Equipment purchasing manager
Shawn Hendricks also sees the uptick
in buying over the last few months. MTI
Equipment services the used equipment
needs of directional drillers, as well as
serving has a dealer for Melfred Borzall
tooling, Digital Control and Hunting Iberia.“The start of the year was a hair down
[from 2012,]” he says.“But in talking with
customers, I think there were a lot of contracts that were out there but never really came to fruition until these last few
7/17/2013 1:35:12 PM
months. Over the last two months, things
have really picked up. Customers need a
machine now.”
Something else enticing contractors
to buy their rigs now: avoiding the high
price tag that will come with Tier 4-compliant rigs, which are on their way in full
in 2015. “Some of it is Tier 4 avoidance,”
Kuyers says. “And the increased costs associated with it.”
What Are They Buying?
Manufacturers say that the purchases
being made for rigs are typically in the
20,000-lb and larger class machines —
pointing to the rigs needed for the pipeline work. Hendricks says his customers are buying rigs between 36,000 and
100,000 lbs and that is something Ditch
Witch director of product definition Randy Rupp concurs with.
“From our orders and sales, it is trending more toward the mid-size and to
larger machines,” he says. “I don’t know
if the [pipeline work] is all of the driver
for that. There is still a lot of phone and
cable work going on.As our smartphones
demand more bandwidth, companies are
scrambling to make sure those networks
are upgraded.There is still a lot of private
sector money being spent in the underground industry.”
But the answer to the age old question of new equipment vs. used equipment seems to be trending toward new
rig purchases, and for number of reasons.
When the economy soured and customers tightened their purse strings, buying
used equipment or making do with what
you had was the business philosophy of
the consumer. But today, consumers are
looking to replenish their fleets with new
rigs — the cost for new and used is somewhat comparable these days.
“Contractors are buying again but there
is still a high demand for used equipment,” Rupp says. “A few years ago when
the economy was down, none of the rig
manufacturers were building very many
directional drills. So the machines that
were built three years ago are the ones
that would be for sale as used drills today,
making the used market very tight right
now, driving people to purchase more
new units.”
Hendricks says the used equipment
market has seen a resurgence in competition with the new equipment. “We are
finding ourselves competing with new
equipment guys more than ever,” he says.
“The dealers are more aggressive in their
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pricing and customers are buying new
again, more than in the past few years.”
Key HDD Issues
With such a positive outlook on what
is happening in the HDD industry, what
are some key challenges that it faces? Mud
disposal and the handling of drilling fluid
continue to top the list, with the issue getting a lot of attention in recent years due
to the oil and gas work.
“It’s one of the things we have to
watch,” Rupp says.“It’s been brought up in
recent years because there were certain
locations and certain municipalities that
were cracking down on it…It’s becoming
more critical [of an issue] because it’s becoming more widespread.”
He says the issue is making it more expensive for companies to find disposal
“It’s definitely crowded. You can still
work in the easements but contractors
need to do more potholing and locating of the existing utilities before they
drill. It’s time-consuming and costly,
resulting in thinner profit margins for
contractors.”
The issue of congested easements
also goes along with the critical issue
of crossbores. “It doesn’t matter if it’s
sewer or gas lines,” Levings says. “It is
so important to be aware and through
the proper pre-planning and pre-boring. You need to identify what’s in your
borepath before you bore. Crossbores
have given the industry somewhat of a
black eye in the past so it’s important
that we as an industry pay attention to
that and rectify it as we go forward so it
doesn’t haunt us in the future.”
Contractors are heading back to the manufacturers to bolster their fleets
with new equipment — a great sign for the market.
sites, forcing them to drive two or three
hours to a site, affecting their ability to
make money. “A lot of the things that
larger drills have to do with reclaimers,
we see it migrating down to the smaller
drills as municipalities and states begin
to regulate how much of that fluid can
actually escape from a jobsite.”
Levings agrees, saying “It’s a perceived
thing and people don’t understand that
it’s just dirt and water. But it’s something
that could keep the market from expanding more.”
Levings also points to the increased
congestion of easements as something
that will affect the HDD industry. “It’s
becoming a serious issue,” he says, noting that more and more easements have
multiple power, gas and sewer lines,
which makes for expert maneuvering,
drilling and pre-planning for drillers.
The Future
No one can predict the future and know
for sure the HDD market will continue its
upswing beyond the next few years but
industry insiders say all their data points
to sustained growth.“It’s definitely a growing industry,” Hendricks says. “There is so
much infrastructure that needs attention.
There are studies about how much pipe
that is in the ground that will need to be
replaced over the next 10 years. HDD has
a lot to do with the future.”
”“I would love to have a crystal ball
and tell you this is the way it’s going to
be,” Kuyers says. “As a whole, the market
seems pretty robust.The work is out there
and the contractors are working.
Sharon M. Bueno is managing editor
of Trenchless Technology.
9
7/17/2013 1:35:17 PM
RIG SHOWROOM:
2013 Horizontal Directional Drill Specs
As the HDD market continues to pick
up, you may be looking to add to your
drilling rig fleet.You may be loyal to your
dealer or are interested in seeing what
else is available that may meet your company’s needs. Directional drill rigs come
in all shapes and sizes and colors.
With this section, we present a
glimpse of what the drilling rig manu-
facturers have to offer. This year, you
will note two new players in the
rig market: The Toro Co., which purchased the Astec Underground drills
in 2012, and TR Drills, which acquired
those made by Tulsa Rig Iron. Also included in the rig specs for the first
time are the rigs from McLaughlin
Group Inc.
Trenchless Technology contacted the
industry’s rig manufacturers and asked
them to provide the specifications for
their fleet. No direct quality comparisons between equipment or manufacturers are implied. All information
is provided by the manufacturers. To
get additional information, contact the
manufacturers directly.
AMERICAN AUGERS
135 State Route 42
West Salem, OH 44287
Ph: (330) 869-7107
Web: www.americanaugers.com
COMPANY HISTORY
The American Augers line of underground construction equipment includes auger boring machines, maxi
rig and midsize directional drills, mud
pump and cleaning systems, as well as
tooling and accessories. American Augers products are manufactured at the
company’s 241,000 sq ft facility in West
Salem, Ohio, in the heart of Amish country between Columbus and Cleveland.
Since the founding of American Augers
in 1970, there has never been a change
in the company’s core value: having
products developed by a can-do work
force that focuses on mechanical, technological and customer-based design
improvements. American Augers was
the first HDD manufacturer to eliminate
chain and utilize a rack-and-pinion carriage design, which is now the industry
Co/
Thrust/
Spindle
Model
Pullback (lbs) Speed (rpm)
DD-110
110,000
150
DD-110S
110,000
150
DD-155T
155,000
100
DD-220T
220,000
95
DD-440
440,000
80
DD-440T
440,000
80
DD-625
625,000
90
DD-1100RS 1,100,000
75
10
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standard. Our rack-and-pinion drive
provides smoother carriage movement,
more precise operating control, long
system life and no complicated parts.
American Augers machines are supported through a dedicated parts and technical service department. In October
2012, American Augers was sold to The
Charles Machine Works Inc., Perry, Okla.
PRODUCT LINEUP
DD-110 / DD-110S
DD-155T
DD-220T
DD-440
DD-440T
DD-625
DD-1100RS
Torque
(ft-lb)
14,000
14,000
30,000
30,000
60,000
60,000
80,000
100,000
Pilot
Bore OD
6
6
9
9
9
9
13
13
Maximum
Backream (in.)
varies
varies
varies
varies
varies
varies
varies
varies
Maximum
Bore (ft)
varies
varies
varies
varies
varies
varies
varies
varies
PRODUCT HIGHLIGHT
The next midsize horizontal directional drill from American Augers debuted
in early 2013. The DD-155T features
a low noise design, incredible torque,
and unique drilling angles available
with multi-functional job-easing options. In addition to the usual American Augers quality and innovation,
the new midsize boasts the industryleading American Augers support by
a dedicated parts & technical service
department with the best warranty in
the market.
Drill
Pipe (ft)
Engine
HP
20
260
15
260
20
275
34
365
34
2@375 ea.
34
600
34
600
34
765
Maximum Fluid
Flow
Pressure (psi) Rate (gpm)
1100
1100
1500
1500
1500
1500
1500
1500
200
200
450
650
1000
1000
1000
1000
7/17/2013 11:34:19 AM
BARBCO INC.
315 Pekin Dr.
Canton, OH 44730
Ph: (800) 448-8934
Web: www.barbco.com
COMPANY HISTORY
Barbco has been manufacturing Directional Drills since the mid-1990s. Since
then we have become known as a manufacturer that “really puts the horsepower
behind the specifications.” Our directional
drills will exceed your expectations of
how a drill should perform.The reason is
simple. We start with quality components
that have stronger duty cycles and couple
them to higher flywheel horsepower
creating unmatched performance that
the operator can actually feel when on a
tough pull. Barbco’s machines are utilized
throughout the world on a daily basis with
a proven track record of long durability in
the field for performance, reliability, better
quality construction and a simple design
for easy maintenance and operation. In
times of service needs, Barbco, once again,
meets or exceeds our customer’s expectations. We have a vast knowledge in field
experience both in private, military and
government projects and can be of assistance on any project that the equipment
is designed to be used for.
Co/
Thrust/
Spindle Torque
Model Pullback (lbs) Speed (rpm) (ft-lb)
Barbco/
40,000
250
6,800
BD40HP
Barbco/
60,000
220
12,500
BD60HP
Barbco/
80,000
185
15,000
BD80HP
Barbco/
100,000
125
17,500
BD100
Barbco/
120,000
125
20,600
BD120
Barbco/
150,000
90
27,000
BD150
Barbco/
250,000
90
47,600
BD250
Barbco/
500,000
90
63,000
BD500
Barbco/
750,000
90
80,000 BD750
Barbco/ 1,000,000
90
95,000
BD1M
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PRODUCT LINEUP
Directional Drill Models that are available from Barbco today are:
BD40HP, BD60HP, BD80HP, BD100,
BD120, BD150, BD250, BD500, BD750
and BD1M.
PRODUCT HIGHLIGHT
BD60HP (High Performance)
This BD60HP produces a full 60,000lbs
of pulling force and an awesome pulling speed of 164 fpm. A generous rotary torque of 12,500 ft- lbs. with a rotary
speed of 220 rpm.These powerful performance specifications are no match for the
durability we have built into our welded
steel frame and rack-and-pinion drilling
derrick. Other features include a large on
board drilling fluid system, enclosed cab
with climate control, automatic rod load-
Pilot
Bore OD
Maximum
Backream (in.)
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Subject to
ground conditions
Maximum
Bore (ft)
er and automated steer and ream drilling
cycles.We encourage you to compare our
specifications and price to any manufacturer in the business.
MAINTENANCE TIP
Grease all moving parts and change
air and oil filters regularly.
BUY/LEASE TIPS
Choose your equipment wisely. Be sure
to review the specifications before the
price. Ask the manufacturer to explain
how they determined what horse power to put on-board their Rig. Point out
that there are three main functions that
all must be powered correctly (thrust,
rotary and mud), each requiring a certain amount of horse power. Add them
up and see if the unit is properly powered.
Drill
Engine Maximum Fluid
Flow
Fluid
Pipe (ft)
HP Pressure (psi) Rate (gpm) Tank (gal)
Subject to
10-15
201
1,000
138
ground conditions
Subject to
15-20
225
1,000
138
ground conditions
Subject to
15-20
250
1,000
230
ground conditions
Subject to
20
440
1,000
275
ground conditions
Subject to
20
440
1,000
275
ground conditions
Subject to
20-35
540
1,000
400
ground conditions
Subject to
20-35
540
N/A
N/A
ground conditions
Subject to
35
700
N/A
N/A
ground conditions
Subject to
35
950
N/A
N/A
ground conditions
Subject to
35
1,400
N/A
N/A
ground conditions
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
11
7/17/2013 11:34:21 AM
DITCH WITCH
1959 W. Fir Ave.
Perry, Okla 73077
Ph: (800) 654-6481
Web: www.ditchwitch.com
COMPANY HISTORY
sen for their commitment to the underground construction profession and thoroughly trained to represent the highest
standards in the industry.
Headquartered in Perry, Okla., since its
founding in 1949, the Ditch Witch organization is a family-owned and -operated company that designs and manufactures a wide variety of Ditch Witch
underground construction equipment,
including horizontal directional drilling systems, trenchers, vacuum excavation systems, vibratory plows, mini skid
steers, electronic guidance and locating
tools, drill pipe, and downhole tools. All
of these products are recognized around
the world for their advanced design, rugged construction, long-term durability,
ease of use, exceptional efficiency and
reliability. The Ditch Witch product line
represents the most complete range
of equipment for installing utilities underground. Ditch Witch equipment is
distributed exclusively by a worldwide
network of independently owned and
operated Ditch Witch dealerships, which
offer new and used equipment, as well
as genuine Ditch Witch parts, service and
financing. Ditch Witch dealers are cho Co/
Thrust/
Model
Pullback (lbs)
Ditch Witch
4,100/5,000
JT5
Ditch Witch
9,000/9,000
JT922
Ditch Witch
10,000/12,000
JT1220
Ditch Witch
17,000/20,000
2020
Ditch Witch
27,000/27,000
JT25
Ditch Witch
24,800/30,000
JT30
Ditch Witch
24,800/30,000
JT30 All Terrain
Ditch Witch
36,000/40,000
JT4020
Ditch Witch
36,000/40,000
JT4020 All Terrain
Ditch Witch
70,000/100,000
JT100
Ditch Witch
70,000/100,000
JT100 All Terrain
PRODUCT LINEUP
JT5
JT922
JT1220
JT2020
JT25
JT30
JT30 All Terrain
JT4020
JT4020 All Terrain
JT100
JT100 All Terrain
JT25 is an ideal drill for installing utility
pipe and cables of up to 12 in. in diameter at lengths of up to 500 ft. Featuring
a 130-hp Tier 4i Cummins diesel engine,
the JT25 the quietest drill in its class
and, in fact, the quietest among all drills.
The simple, durable JT25 is a workhorse
designed for low-maintenance, highquality performance.
PRODUCT HIGHLIGHT
Ditch Witch JT25 HDD System:The new
JT25 horizontal directional drill, an exceptionally powerful and productive
horizontal directional drill designed
specifically for the utility contractor. Offering 27,000 lbs of thrust and pullback
and 4,000 ft-lbs of rotational torque, the
Spindle
Torque
Speed (rpm) (ft-lb)
Pilot
Bore OD
195
550
2.5
186
1,100
3
180
1,400
225
MAINTENANCE TIP
The JT25 was designed for greater uptime with a simples, durable, and customer-driven design. The daily maintenance
points are in one easy-to-access location.
Maximum
Maximum
Drill
Backream (in.) Bore (ft) Pipe (ft)
4.5
Flow
Fluid
4’11”
24.8
750
5
N/A
variable
6
53.5
750
13
40
3.5
variable
10
60
1,250
15
N/A
2,200
4
variable
10
85
1,500
32
N/A
220
4,000
4.5
variable
9’8”
130
1,200
50
N/A
225
4,000
4.5
variable
9’8”
148
1,500
50
N/A
225
4000
4.75
variable
9’3”
148
1,500
50
N/A
240
5,000
5
variable
14’9”
190
1,300
120
N/A
240
5000
6.25
variable
14’3”
190
1,300
120
N/A
210
12,000
6
variable
14’9”
268
1,000
230
N/A
210
12000
6.25
variable
14’1.5”
268
1,000
120*
N/A
*120 gpm will soon be 200 gpm (within a month) for AT100
12
tti_10-21.indd 12
7/17/2013 11:34:28 AM
tti_10-21.indd 13
7/17/2013 11:34:32 AM
HERRENKNECHT AG
162 132nd Ave. E, Ste. 200
Summer, WA 98390
Ph: (253) 447-2302
Web: www.herrenknecht.com
COMPANY HISTORY
Herrenknecht is a technology and market leader in the area of mechanized
tunnelling systems.As the only company
worldwide, Herrenknecht delivers cutting-edge tunnel boring machines for all
ground conditions and in all diameters
– ranging from 0.10 to 19 m. In addition,
Herrenknecht develops solutions for
the production of vertical and sloping
shafts. The tailor-made machines create
underground supply tunnels for water
and sewage, for gas, oil, electricity, Internet and telephone lines (Utility Tunneling), as well as efficient infrastructure
for car, metro and railway traffic (traffic
Co/
Thrust/
Spindle Torque
Model Pullback (lbs) Speed (rpm) (ft-lb)
HK100C
220, 000
80
44,250
HK150C
330, 000
72
51,650
HK150T
330, 000
72
51,650
HK250C
551, 000
72
66,400
HK250T
551, 000
72
66,400
HK300T
661, 000
72
66,400
HK400C
881, 000
60
88,500
HK400T
881, 000
60
88,500
HK400M
881, 000
60
88,500
HK500T
1,102,000
60
103,300
HK600T1,349,000 60 109,200
14
tti_10-21.indd 14
tunnelling) around the world. Our tunnel boring machines are forging ahead
with the world’s longest railway tunnel
and the largest metro lines. They help
to cross under water with supreme accuracy and to lay pipelines throughout
continents. The Herrenknecht Group
employs around 5,000 members of staff
worldwide. With 77 subsidiaries and associated companies working in related
fields in Germany and abroad, a team of
innovative specialists has formed under
the umbrella of the Group, which is able
to provide integrated solutions with
project-specific equipment and service
packages — close to the project site and
the customer.
Pilot
Bore OD
8 1/2
9 7/8
9 7/8
12 1/4
12 1/4
12 1/4
15
15
15
17 1/2
20
Maximum
Backream (in.)
48
48
48
72
72
72
80
80
80
80
80
Maximum
Bore (ft)
4,000
6,000
6,000
8,000
8,000
9,000
12,000
12,000
12,000
15,000
15,000
PRODUCT LINEUP
The maxi and mega rigs developed and
manufactured by Herrenknecht exert
pulling forces of between 120,000 and
1,349,000 lbs and achieve a maximum
torque of between 35,000 and 110,000
ft-lbs, depending on the model. All Herrenknecht HDD rigs have their own
diesel powered energy supply, housed
in sound-proof 20-ft containers. The capacity of these power packs can vary
from 300 to more than 1,300 hp, depending on the application. The company offers frame, trailer, crawler and
modular rigs.
Drill
Flow
Fluid
Pipe (ft)
31.5
443
31.5
590
31.5
590
31.5
644
31.5
644
31.5
644
31.5
1288
31.5
1288
31.5
1288
31.5
1288
31.5 1288
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
600
760
760
1,000
1,000
1,000
1,200
1,200
1,200
1,200
1,200
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
7/17/2013 11:34:34 AM
MCLAUGHLIN
GROUP INC.
2006 Perimeter Rd.
Greenville, S.C. 29605
Ph: (864) 277-5870
Web: www.mightymole.com
COMPANY HISTORY
PRODUCT HIGHLIGHT
For more than 85 years, McLaughlin
has been actively involved in the drilling tool industry. During that time
McLaughlin has developed a reputation
for designing and building dependable,
low maintenance trenchless construction equipment. McLaughlin takes pride
in providing solutions for OEMs and the
underground industry.
The MCL 10H is a pit-launched directional drill that fits into a tight footprint with either a 5-ft and 7-ft model.
This drill has 1030 ft-lb of torque and
13250 lb of pullback. The MCL 10H is
ideal for installing up to 12-inch water
and gas lines on projects with setback
restrictions.
PRODUCT LINEUP
The McLaughlin MCL10 is a compact
high performance Pit Launch Directional Drill for installations up to 10” diameter. The Mcl 10 Pit Launch machine is
ideal for water service installations and
crossings where easement restrictions
do not allow for surface launch HDD
methods.
MAINTENANCE TIP
Thrust/
Pullback (lbs)
Spindle
Speed (rpm)
Torque
(ft-lb)
Pilot
Bore OD
Maximum
Backream (in.)
Maximum
Bore (ft)
17,670/13,250
0-125
1,030
3
12
150
2.33
Hydraulic
1,000
6
230
17,670/13,250
0-125
1,030
3
12
150
4
Hydraulic
1,000
6
230
tti_10-21.indd 15
BUY/LEASE TIPS
Basic equipment preventative maintenance and inspection of hoses, fittings
and fluid levels increase jobsite produc-
MCL 10H pit-launched directional drill
Co/
Model
MCL 10H (5-ft version)
MCL 10H (7-ft version)
tivity by reducing downtime.Wear components should be inspected prior to
project mobilization.
Drill
Flow
Fluid
Pipe (ft)
15
7/17/2013 11:34:39 AM
PRIME DRILLING
GMBH
TT Technologies Inc.
(North American Partner)
Ph: (800) 533-2078
Web: www.prime-drilling.de
COMPANY HISTORY
Prime Drilling (distributed in North
America through TT Technologies) is a
global leader in the design, development
and production of advanced horizontal
directional drilling rigs and allied equipment. We understand that a successful
crossing is particularly dependent on
the reliability of the equipment involved.
For this reason, it is not enough for us to
focus on superior technical characteristics. We are driven to delivery robust,
low-maintenance drill rigs that bring
top performance in the most demanding environments. Today, there are more
than 150 Prime Drilling HDD rigs in suc-
Co/
Model
PD 30/18 CU
PD 60/33 CU
PD 80/50 RP
PD 150/70 RP
PD 250/90 RP
PD 400/120 RP
PD 500/150 RP
PD 600/180 RP
16
tti_10-21.indd 16
cessful operation around the world. Our
products and services are backed by a
highly qualified team with decades of
experience in the field of horizontal directional drilling technologies.
PRODUCT LINEUP
HDD rigs with pull force from 25 up
to 600 tons, pipe pusher, bentonite
pumps, mixing units, recycling units,
drill rods, reaming tools, measurement equipment and all necessary accessories.
PRODUCT HIGHLIGHT
Current highlight is a drilling rig for
execution of horizontal and vertical
drills. The drilling angle for HDD is 6
to 16 degrees and for vertical drills 16
to 90 degrees. This drilling rig is available with 100-, 250- and 500-ton pull
forces, torque ranges between 36,878
and 110,634 ft-lbs and the drive power
between 449 and 1,320 HP.Particularly
noteworthy is the rod handling system
with loading crane and manipulator.
The magazine contains ø 3.1/2, 5 and
7 in., as well as Range 2- and 20-ft rods.
The drilling rig is available with selfpropelled crawler or with steel frame
and has rack-and-pinion drive, so that
pull and push force are equal.
Thrust/
Pullback (lbs)
Torque
(ft-lb)
Engine
Speed (Net HP)
Maximum Fluid
Pressure (psi)
Operating Weight
Ground Pressure
67,442 134,885 197,847 337,213 562,022 899,236 1,124,045 1,348,853 13,276 ft-lbs
24,340 ft-lbs
36,878 ft-lbs
51,630 ft-lbs
66,380 ft-lbs
88,507 ft-lbs
110,634 ft-lbs
132,761 ft-lbs
305
305
449
449
650
775
775
1,255
1,595 1,595 1,595 1,595 1,595
1,595 1,595 1,595 16,000 kg (160 lb/ft²)
16,500 kg (160 lb/ft²)
24,500 kg (160 lb/ft²)
29,000 kg (160 lb/ft²)
32,000 kg (160 lb/ft²)
62,900 kg (160 lb/ft²)
62,900 kg (160 lb/ft²)
60,900 kg (160 lb/ft²)
7/17/2013 11:34:45 AM
tti_10-21.indd 17
7/17/2013 11:34:46 AM
THE TORO CO.
8111 Lyndale Ave.
Bloomington, MN 55401
Ph: (952) 887-8861
Web: www.toro.com
COMPANY HISTORY
The Toro Co. is a leading worldwide
provider of innovative construction,
landscape, rental and turf equipment,
as well as irrigation and outdoor lighting solutions. With sales of more than
$1.9 billion in fiscal 2012, Toro’s global presence extends to more than 90
countries through strong relationships
built on integrity and trust, constant
innovation, and a commitment to helping customers enrich the beauty, productivity and sustainability of the land.
Since 1914, the company has built a
Co/
Thrust/
Spindle
Model
DD2024 20,000
0-200
DD4045 40,000
0-225
18
tti_10-21.indd 18
tradition of excellence around a number of strong brands to help customers care for golf courses, sports fields,
public green spaces, commercial and
residential properties, and agricultural
fields. In February 2012, Toro acquired
certain utility and underground product assets of Astec Underground, Inc..
Toro’s underground equipment lineup
includes vibratory plows, trenchers and
horizontal directional drills for the underground utilities market.
PRODUCT HIGHLIGHT
The Toro DD-2024 horizontal directional drill offers 20,000 lbs of thrust/
pullback force with up to 2,400 ft-lbs of
rotary torque. Powered by an 83-horsepower B3.3C Cummins turbocharged
diesel engine, it features field-proven
quad rack-and-pinion drive with adjustable force limiter. The onboard mud
pump flows 15 gpm at 1,250 psi. The
floating carriage has two speeds, including a 120 ft/min fast mode.
PRODUCT LINEUP
DD2024, DD4045
Torque
(ft-lb)
Pilot
Bore OD
Maximum
Backream (in.)
Maximum
Bore (ft)
2,400
4,500
4
4
N/A
N/A
N/A
N/A
Drill
Engine
Pipe (ft)
HP
10
10
74
160
Maximum Fluid
Pressure (psi)
1500
1500
Flow
Fluid
Rate (gpm) Tank (gal)
0-30
0-70
N/A
N/A
7/17/2013 11:34:49 AM
TR DRILLS
280 Center St.
Petrolia, Ontario, Canada
N0N 1R0
Ph: (519) 882-8781
Web: www.trdrills.com
COMPANY HISTORY
Starting August 2012, Tulsa Rig Iron sold
Co/
Model
TR - 7
TR - 14
TR - 40
line of TR drills will have the smallest
footprint to power ratio than any other
drill in the industry making remote drilling much easier than in the past. TR
Drills is built on an eye-catching design
and a cutting-edge drilling experience.
It’s built from a tradition of performance
with a commitment to quality.
all trenchless assets back to its original creator Roger Woods with business
partner Andy Braithwaite, who together
saw an opportunity to bring the superior quality and performance of Tulsa
Rig Iron’s tradition into the future. The
most significant and unique aspect of
the TR Drill is a patented hydraulic cylinder feed system, which will completely
eliminate the issue of motor stall that frequently occurs on rack and pinion drills.
Built with the same raw power of Tulsa
Rig Iron, the new evolved version of the
Thrust/
Pullback (lbs)
Spindle
Speed (rpm)
Torque
(ft-lb)
Pilot
Bore OD
Maximum
Backream (in.)
Maximum
Bore (ft)
7,200 14,000 l
38,500 143
130
160
1,250
1,600
5,000
2.5 3
4.5 10 12 30 300
350
1,500
PRODUCT LINEUP
TR Drills focus is on three models TR7, TR- 14 and the TR – 40 with future
models to follow
Drill
Flow
Fluid
Pipe (ft)
6
6
10
37.5
57
185
800
1,500 3,000 8
15
100
n/a
n/a
n/a
TT TECHNOLOGIES
2020 E. New York St.
Aurora, Ill. 60502
Ph: (630) 851-8200
Web: www.tttechnologies.com
COMPANY HISTORY
TT Technologies, Inc., Aurora, Ill., is a manufacturer of trenchless technology equipment for the installation and replacement of water, sewer, gas and electric utilities. The equipment
is field proven, logging more than 45 years of experience. With
more than 200 patents worldwide, TT Technologies is a leader
in trenchless applications ranging from pipe pulling, pipe ramming, pipe bursting, sliplining, and directional boring. A nationwide network of regional customer service offices and distribution locations assures products and expertise are always nearby.
Comprehensive hands-on training seminars are held at the corporate offices in Aurora, Ill.,as well as regional shows, seminars,
and demonstrations throughout North America each year.
PRODUCT LINEUP
TT Technologies full line of trenchless equipment includes:
Grundomat piercing tools, Grundodrill directional drills, Grundosteer guided piercing tools, Grundocrack pipe bursting tools,
Co/
Thrust/
Spindle
Model
40/60 13,200/8,800
110
4X
9,800
230
15XP
33,047
180
18ACS 40,465/44,961
200
tti_10-21.indd 19
Torque
(ft-lb)
662
950
3,262
7,375
Pilot
Bore OD
2.1
2.5
4
6.5
Grundoram pipe ramming tools, Grundomudd bentonite mixing and delivery systems, Grundowinch constant tension winches and Grundopit mini-directional drill rigs.
PRODUCT HIGHLIGHT
The compact Grundodrill 4X is designed for residential service, small diameter main installations and “last mile” operations, offering 9,800 lbs of thrust and pullback. Using the
compact drill is less intrusive and ideal for areas where larger
units are not an option. The drill features a dual hydrostatic
pump system and a four-auger stake down system that provides greater stability. The Grundodrill 4X also comes with
the exclusive Smart Vice system that performs vice cycling
operations automatically.
Maximum
Backream (in.)
4
10
20
24
Maximum
Bore (ft)
200
320
985
1,000
Drill
Engine
Pipe (ft)
HP
2
5
32.75
32.75
23
37.5
142
198
Maximum Fluid
Pressure (psi)
800
800
870
870
Flow
Fluid
Rate (gpm) Tank (gal)
10
10
40
40
225
225
2,000
2,000
19
7/17/2013 11:34:52 AM
UNIVERSAL HDD
1221 Flex Ct.
Lake Zurich, IL 60047
Ph: (847)955-0050
Web: www.unihdd.com
COMPANY HISTORY
Formally known as Robbins HDD, Universal HDD combines the world renowned underground tunneling technology and expertise of manufacturing
large-scale horizontal directional drills.
In 2000, the company acquired Contractors Manufacturing Services, and
merged the two underground equipment giants. Contractors had specialized in manufacture of some of the
world’s largest horizontal directional
drills, with push/pull capacities up to
550,000 lbs. With combined knowledge, expertise and resources, Universal HDD began design of the next
generation of the HDD equipment.
This equipment would push the limits
and challenge the industry around the
world.
Universal HDD machines have drilled all
over the world and in all manner of soil
and hard rock conditions. The company
works alongside its customers, making
crossings on nearly every continent, under the biggest, widest rivers, and under
hill and dale. It is this diversity of environments that has taught the company
what works best in virtually every type
of geology. The company has taken that
knowledge and applied it to how it designs and builds its equipment.
horizontal directional drills and equipment. The company begins with common platforms, but engineers and constructs horizontal directional drilling
machines that meet the specific needs
of customers. Pound-for-pound, at Universal HDD we provide more value to
our customers, both in the equipment
and customer support.
PRODUCT LINEUP
BUY/LEASE TIP
In 2012, Universal HDD introduced a
new line of rigs: UNI 22x22, UNI 70x90,
UNI 110x120, and UNI 300x400. These
drills feature the most advanced technology in the industry, while maintaining the simple design, high productivity and reliability.
Universal HDD customers rely on the
company’s extensive knowledge and
expertise when they request a machine. These customers look to experts
at Universal HDD to teach them how
to use the equipment, including how to
optimize its performance in the field.
The company will assemble a team
from Robbins and Universal HDD’s valued component suppliers to create a
training program as customized as the
equipment.
PRODUCT HIGHLIGHT
Custom Build Products
Universal HDD remains a leader in the
design and manufacture of custom
Co/
Thrust/
Spindle
Torque
Pilot
Maximum
Maximum
Drill
Flow
Fluid
Model
(ft-lb)
Bore OD Backream (in.)
Bore (ft)
Pipe (ft)
HP
Pressure (psi) Rate (gpm) Tank (gal)
UNI12x15
12,000
210
1,500 2.25
N/A
N/A
6
66
1,200
30
N/A
UNI12x15L
12,000 2101,500
2.25 N/A N/A10
661,200 30N/A
UNI22x22
22,000 2102,200
3.5 N/A N/A10
991,200 30N/A
UNI30x40
30,000 2404,000
3.5 N/A N/A10
140
1,200 75N/A
UNI60x70
60,000
200
7,000
3.5
N/A
N/A
15
174
1,200
170
N/A
UNI80x100
80,000
200
10,000
5
N/A
N/A
15
200
1,200
200
N/A
UNI110x120
110,000
160
12,000
5
N/A
N/A
15
250
1,200
250
N/A
UNI160x240
160,000
120
24,000
5
N/A
N/A
20
375
1,200
325
N/A
UNI220x240
220,000
120
24,000
6
N/A
N/A
20
400
N/A
N/A
N/A
UNI250x400
250,000
120
40,000
6
N/A
N/A
20
425
N/A
N/A
N/A
20
tti_10-21.indd 20
7/17/2013 11:34:57 AM
VERMEER
1210 Vermeer Rd. East
Pella, IA 50219
Ph: (641) 628-3141
Web: www.vermeer.com
COMPANY HISTORY
Vermeer was formed in 1948 with the
introduction of a mechanical hoist designed to offload grain from wagons
and eliminating the back-breaking labor of shoveling. Since then, Vermeer
has been on the forefront of innovation and leading technology in agricultural and construction equipment that
continue today with market-leading
equipment solutions and product designs that help maximize efficiency
and minimize labor.
PRODUCT LINE-UP
D6x6 Navigator
D9x13 Series II Navigator
D36x50DR Navigator
Co/
Model
D6x6
D9x13 Series II
D16x20 Series II
D20x22 Series II
D24x40 Series II
D36x50 Series II 10’ rod
D36x50 Series II 15’ rod
D36x50DR
D60x90
D80x100 Series II
D100x120 Series II
D100x140 15’ rod
D100x140 20’ rod
D330x500
D500x500
D750x900
D1000x900
D1320x900
tti_10-21.indd 21
MAINTENANCE TIP
PRODUCT HIGHLIGHT
The D100x140 is powered by a 275hp (205.1 kW) CAT diesel engine that
meets EPA interim Tier 4 and EU Stage
IIIB emissions certification and produces 100,000 lb (445 kN) of thrust/pullback force. The unit is rated at a maximum of 14,000 ft-lb (18,981.5 Nm) of
rotational torque or maximum rotational speeds up to 203 rpm. Increased
torque and speed transfers more power
downhole to improve productivity.
Thrust/
Spindle
Torque
Pullback (lbs) Speed (rpm) (ft-lb)
5,500
9,000
16,000
20,000
24,000
36,000
36,000
38,000
60,000
80,000
100,000
100,000
100,000
339,600
475,100
786,200
985,100
1,328,000
Two large color digital displays include
an integrated multifunction display
(MFD) locator remote and machine performance data that displays rotational
speed and torque, thrust/pullback pressure, drilling fluid pump pressure and
diagnostics, as well as the engine aftertreatment functionality.
D60x90 Navigator
D100x140 Navigator
D330x500 Navigator
D500x500 Navigator
D750x900 Navigator
D1000x900 Navigator
D1320x900 Navigator
Pilot
Maximum
Bore OD Backream (in.)
180
550
N/A
176
1,300
N/A
248
2,000
N/A
208
2,200
N/A
270
4,000
N/A
227
4,995
N/A
227
4,995
N/A
2106,000N/A
2009,000N/A
180
10,000
N/A
120
12,000
N/A
203
14,000
N/A
203
14,000
N/A
80 50,700N/A
73 52,900N/A
57
99,400
N/A
57
99,400
N/A
57
99,400
N/A
Do not overlook daily maintenance
points, as they can help maintain the
rig’s peak performance and reduce premature wear to vital components.
BUY/LEASE TIP
The strength and commitment of a
manufacturer’s after-the-sale support is
an important consideration in making a
rig purchase decision.
Maximum
Drill
Flow
Fluid
Bore (ft) Pipe (ft)
N/A
150
6
26
500
5
N/A
N/A
300
6
47
500
15
N/A
N/A
400
10
65
1,000
25
N/A
N/A
350
10
83
1,000
25
N/A
N/A
500
10
125
1,300
50
N/A
N/A
450/500
10
140
1,300
50
N/A
N/A
450/500
15
140
1,300
50; 70
N/A
N/A
500 101401,300 50; 70N/A
N/A 450/360
151851,200 150 N/A
N/A
360
15
200
1,100
150; 200
N/A
N/A
300
20
225
1,100
150; 200 N/A
N/A
270
15
275
1,100
230
N/A
N/A
300
20
275
1,100
230
N/A
N/A
N/A 32 540 N/A
N/A N/A
N/A
N/A 32 800 N/A
N/A N/A
N/A
N/A
32 1200; 1600
N/A
N/A
N/A
N/A
N/A
32 1200; 1600
N/A
N/A
N/A
N/A
N/A
32 1200; 1600
N/A
N/A
N/A
21
7/17/2013 11:35:02 AM
TECHNICAL PAPER: Design Considerations
for Intersect Method of HDD By Abhinav Huli and Dennis Doherty
U
nidirectional HDD has been the
conventional method of practice
for many decades. However, ever
increasing project challenges demand innovative methods of pipe installation using HDD. One such method is the intersect method where a single alignment is
achieved by drilling from both ends so as
to connect the drills underground.
This method has been used for many
reasons in recent times. The decision on
whether a HDD project is conventional
or intersect can be based on many factors
such as drill fluid properties, geometry of
drill, local topography, geology along the
alignment, entry and exit elevations, total
length of HDD, depth of installation, availability of equipment, length of the conductor sleeves and the capacity of overburden
to restrain the drill fluid pressures.
It is important to note that HDD designs are iterative processes and all the
design considerations are interdependent. It is necessary to examine them as
a whole instead of examining individual
factors affecting the design. A graphical
HDD pressure analysis provides us with
a better understanding of the intersect
method, in particular, the effect of drill
fluid pressures in an HDD intersect. The
graphical HDD pressure analysis is also
intended to assist in the overall design
and decision-making process by conducting parametric analysis of various alignments based on anticipated drill fluid
pressures and geology.
DESIGN
CONSIDERATIONS
Alignment Control
Alignment control is a combination of
accurate interpretation of the geological
conditions, contractor’s experience and
use of appropriate tools to successfully
drill through the given soil conditions.
Although conventional drills can be accomplished for lengths greater than
8,000 ft (Bennett, 2008); alignment control can be a major challenge beyond
4,000 ft in adverse soil conditions. In
such cases, it may be necessary to use
the intersect method.
22
tti_22-25.indd 22
Equipment and Logistics
Based on the equipment available to the
contractor at the time of the project, intersect method facilitates the use of combinations of small and large rigs to execute
the drill successfully. Unidirectional drill
on the other hand may need large rigs and
sequential drills to do the same.
Geology along the
Alignment and
Installation Depth
The local geology is often the most
important design consideration for any
HDD project.The design begins with the
geotechnical boring program to assess
the subsurface conditions. The boring
locations are planned depending on the
length of drill and expected variations
in the subsurface conditions. In order
to come up with a sound design for any
HDD project, it is necessary to assume
some of the design parameters based
on the design model used. In the case
of the cavity expansion model, it is important to obtain critical soil characteristics such as density, friction angle and
soil cohesion, which are not normally
available from geotechnical boring logs
alone. There have been many publications in the past emphasizing the importance of conducting appropriate tests to
obtain project specific data.
Unfortunately, not all projects can accommodate an exhaustive test program
that may be required to collect all the
soil parameters. This makes it important
to have reality checks since the available
test data may only be indicative of the
general site conditions and are usually
conducted on a small percentage of area
compared to the total area of the site.
An experienced HDD engineer should
therefore analyze and apply the data to
reflect realistic conditions for the design.
In other words, a Geotechnical Baseline
Report that provides a reasonable interpretation of the geotechnical conditions is crucial for any complex HDD
project. In the absence of such reports,
the graphical HDD pressure analysis
described below can be used as supple-
mental software.This method of analysis
would benefit design consultants and
contractors alike in helping to improve
their overall understanding of the intersect design process and its advantages.
In-situ Conditions
Waterways: Long distance drilling
in waterways presents its set of unique
challenges such as length of drills, protected marine habitats, etc. In such cases,
using the intersect method versus sequential drills will reduce the numbers
of drills, disturbance to the natural topography, permitting requirements and
associated costs.
Urbanized areas: Highly urbanized
areas have their share of challenges such
as congested streets, space constraints
to set up equipment, topography, high
traffic density, pedestrian traffic, and
presence of emergency services. Associated challenges include high social costs,
opposition from the public, permit challenges, time constraints. In such cases,
intersect method can help reduce the
social impact to the public and in turn,
the economic impact to the businesses
in the vicinity of the project by reducing
the equipment setup areas and increasing the length of HDD. This is substantiated by the graphical HDD pressure analyzer used for a HDD project in a highly
urbanized area in a city in the southeast
as described below.
HDD alignment design and drill pressure analysis
Figure 1. HDD alignment and
surface profile indicating the
difference in elevation
The change in elevation between the
entry and exit locations and the type of
geology dictate the alignment design.
Figure 1 shows the vertical HDD alignwww.trenchlessonline.com
7/17/2013 11:37:09 AM
ment for the project with the difference
in elevations of approximately 70 ft.The
alignment has three vertical curves. The
top of rock runs parallel to the surface
at a depth of approximately 50 ft. However, rock is much closer to the surface
for the last third of the alignment on the
uphill side necessitating introduction
of a vertical curve in the middle of the
alignment to avoid the rock.
Figure 2. Graphical representation
of the anticipated maximum
allowable pressure for the HDD
alignment
Figure 2 indicates the anticipated
maximum allowable pressure for this
alignment. The variation in the maximum allowable pressure is based on
tti_22-25.indd 23
the soil conditions and the overall
depth of the alignment. Further, changes can be made to the geometry of
the alignment and the soil properties
at the design stage in order to understand the influence of each soil parameter (in this case friction angle, cohesion and shear modulus since cavity
expansion theory is used to model the
pressures). Upon completion of this
process, the values of the anticipated
maximum allowable pressures remain
unchanged throughout the design.
The next step of the design involves calculation of the anticipated
minimum drill fluid pressures (Pmin)
required to successfully execute the
drill. One of the unique aspects of
the design of Pmin is that some of
the drill fluid parameters can only
be known during the actual drilling
since they are adjusted in the field
based on the drill pressures experienced for the given soil condition.
The calculation of Pmin is in essence
only an approximation of what the
actual drill pressures would be based
on the engineer’s experience.
Figure 3. The anticipated minimum
drill fluid pressure drilling from
lower side to the higher side as
shown in blue
The anticipated minimum drill
fluid pressures decrease when drilling from a point of lower elevation
to a point of higher elevation. This occurs when the drill mud is assisted by
gravity during its return to the entry
pit. In Figure 3, Pmin increases gradually to a value of approximately 45
psi. However, it then drops due to a
combination of ascending alignment
geometry, decreased overburden and
the head on the higher side of the
alignment, which aids in the return
of the drill mud. This could result in
23
7/17/2013 11:37:13 AM
inadvertent returns of drill fluids as
indicated in Figure 3 by the blue line
when it crosses the red line. This occurs prior to the final vertical curve
and therefore cannot be contained by
a conductor sleeve.
It is suggested that the engineer calculate Pmin when drilled from both directions in order assess the most conservative design. Drilling from a point
of higher elevation to a point of lower
elevation results in an increase in
Pmin. This occurs due to the increased
pressure required for the returning
drill mud to overcome the head on its
way toward the entry location which
often leads to frac-out as shown in Figure 4. Drilling from higher side to the
lower side, the value of Pmin increases
to a value of approximately 110 psi be-
Figure 4. Anticipated minimum
drill fluid pressure drilling from the
higher side to the lower side
fore it reduces gradually as the alignment flattens toward the lower side.
As shown in Figures 3 and 4, frac-out
occurs on the exit side of each drill.
Again, this occurs prior to the vertical curve. Although conductor sleeves
(casing pipes) are used to mitigate the
risk of frac-outs, it may not be possible
to employ conduct sleeves on the exit
side as easily as on the entry side in the
case of conventional HDD.
Figure 5. Location of HDD
intersection at STA 15+30
In such cases, both the values of Pmin
are overlapped on each other in order to
obtain an optimum point of intersection
for a given set of drill fluid parameters.
The location of the intersecting point
should be along straight segments in order to reduce the chances of misalignment. Graphical representation of the
point of intersection enables a better
understanding of the appropriate location of intersection and various factors
affecting the design.
Another unique aspect of HDD design is that certain drill fluid properties are assumed as a part of the design process to predict the drill fluid
pressures. In reality, these drill pressures depend on the type of drill mud
used by the contractor and their in-situ properties. Since these properties
cannot be accurately known ahead of
time, the engineer must assume certain drill fluid properties during the
24
tti_22-25.indd 24
7/17/2013 11:37:16 AM
design stage. The graphical HDD pressure analyzer assists the engineer to
make changes to the drill fluid properties such as yield point, density and
plastic viscosity in order to track the
change in the point of intersection
and thus obtain a general idea of a
safe point of intersection. Figure 5 indicates the point of intersection to be
at approximate STA 15+30. Figure 5
and 6 indicate the change in the location of intersection due to the change
in the assumed mud density from 10
to 11 ppg, yield point from 20 to 35
lb/ft2 and plastic viscosity from 30 to
24 cp.
Upon setting the baseline design parameters, the software can be used in
the field to monitor drill mud operations. Insitu samples of drill fluids can
be used to conduct sensitivity analysis to understand the effect each parameter has on the overall design and
customize a combination that would
make the HDD successful. A combination of changes in drill rate, pump
rate and real time analysis of drill fluid
parameters can assist an experienced
tti_22-25.indd 25
HDD or drill fluid engineer to effectively extrapolate the drill pressures
based on the samples examined and
thus mitigate the risk of hydrofracture
to the extent possible.
standing of down hole mud pressures
which is crucial for the intersect design
of HDD. The proposed graphical HDD
pressure analyzer provides a visual platform which helps to produce technically
sound designs and thus mitigate risks involved in this method of HDD.
Abhinav Huli and Dennis Doherty are
engineers with U.S.-based Haley &
Aldrich Inc. The full paper (Design
Considerations for Intersect Method
of HDD) can be accessed by NASTT
members at www.nastt.org.
Figure 6. Location of intersection
can be optimized based on the
availability of equipment, geometry
of drill and the drill fluid parameters
Technology has come a long way in
recent years to make the underground
intersect a reality. However, despite having all the technologies that assist in execution of HDD by the intersect method,
the aim of this paper is to emphasize the
importance of having a thorough under-
Copyright 2013 by the North American
Society for Trenchless Technology.
Original paper distributed at NASTT’s
2013 No-Dig Show.
All rights reserved.
www.nastt.org
25
7/17/2013 11:37:20 AM
Locating Software and Equipment Play Key Role in
Illinois HDD Project
By Mark Bartel
T
he Village of Volo in Illinois —
about an hour northeast of Chicago — originally depended on private shallow wells. To facilitate future
development, Volo built a public water
supply system. This system was limited
to using groundwater from the deep
aquifer because of limited capacity of
the shallow aquifer. Studies have shown
that the current and future demand on
the aquifers is not sustainable. Additionally these aquifers have naturally occurring radium and barium that must be
removed to meet the Illinois drinking
water standards. The long-term treatment and disposal costs are prohibitive
and will continue to rise.
To meet these challenges, the Village of Volo is looking at a long-term
solution of using Lake Michigan, which
would provide the most viable and
cost-effective source of high-quality
drinking water for the village. As part
of this long-term initiative, Volo contracted RA Mancini to install a new
water main. RA Mancini is a familyowned and operated business that has
provided quality utility construction
services in the Chicago area for more
than 70 years. The 7,000-ft water main
ran along Highway 12. Horizontal directional drilling was used for the majority of the run, creating a number of
bores.This bore was one of the longest
at 2.200 ft.
The product selected for the main
was of 16-in. Fusible C-905 DR 18 PVC
manufactured by Underground Solutions Inc. As the joints are fused, gaskets and possible leaks are eliminated.
The fusing also provides high tensile
strength allowing longer distances to
be pulled.
For the HDD installation, Mancini
used a Ditch Witch JT 100 with the
on-board crane and heavy duty anchor
system. This machine provides 100,000
lb (445 kN) of pullback and 12,000 ftlbs (16,270 N•m) of torque which was
ideal for this bore.
For the locating system, Mancini
used a DigiTrak F5 by Digital Control Inc. in conjunction with a DCI
12kHz/19khz dual-frequency Fluid
26
tti_26-31.indd 26
Pressure Transmitter (FPT) and the F5
TensiTrak. The F5 and FPT provides locating abilities, plus it allows the driller
to monitor and record the fluid pressures during the drilling of the pilot
while the TensiTrak provides the pull
forces on the product pipe and drilling fluid pressures during the pullback.
This data can be recorded and downloaded to the F5 LWD DataLog Mapping System to create reports. These
reports contain the details of the job
in tabular and graphical formats.
The pilot bore was started on Feb. 15,
2013. Prior to the start of the bore, the
F5 was calibrated with the 12/19 FPT in
the drill head to ensure accurate depth
readings. One can see the snow on the
ground, the temperature was around
15 F. The pilot bore went quickly and
took a total 10 hours spread over Friday
and Monday, despite some complica-
tions caused by the cold weather. The
LWD software generated the following
charts, bore profile, pressure chart and
the force chart. The bore chart shows
the bore depth and the terrain.
The pressure chart shows where
some of the cold weather complications occurred in the bore. The complications caused the drilling fluid
pressure to jump. These four areas are
labeled A, B, C and D on the pressure
chart. These pressures were displayed
on the F5 locator in real-time as the
bore was progressing.
It is crucial to a driller to be able to
monitor the fluid pressure at the drill
head. A sudden spike in the pressure
can indicate an impending frac-out.
A frac-out is when the drilling fluid
causes a fracture in the soil allowing
the drilling fluid to propagate to the
surface.
7/17/2013 11:37:44 AM
The first of the four spikes in fluid
pressure (Area A on the chart) occurred
when the drill ran into some harder
ground conditions. With the ability to
see the pressure increase in real time,
the crew was able to manage the pressure increase by reducing the drilling
speed and drilling fluid pressure. The
ability to manage the drilling fluid pressure gives the crew a powerful tool to
minimize the likelihood of a frac-out.
The second pressure spike (Area B on
the chart) occurred on Monday after
the rig had been sitting for the weekend in the cold weather. This spike was
due to the cold weather conditions
affecting the bore and drilling fluid.
In this instance the crew was unable
to avoid a frac-out. However, with the
real-time pressure monitoring the crew
recognized the problem immediately
and the clean-up chore was minimized.
The third pressure spike (Area C) occurred when the crew was starting the
exit of the bore. With the pressure indications, the crew minimized the pitch
change for a gradual exit grade but was
still unable to avoid a frac-out. Once
again though, the pressure information
provided in real-time allowed them to
adjust the exit, and fluid pressure to
minimize complications with a fracout. The exit portion of the bore was
difficult because of the angle and the
cold weather. The final pressure spike
occurred near the bore exit. Because
of the cold weather the frost was 15 to
20 in. deep. At that angle with the hard
frost, a frac-out also occurred. At this
point the crew brought in an excavator
to open up the receiving pit.
The pullback of the product was
delayed several weeks because of the
cold weather. The pipe was fused and
staged in preparation to the pullback.
Because of the cold weather, the fusing operation was contained a tent.
All the joint fusion must be completed following Underground Solutions
Inc. (UGSI) procedures with UGSI
trained fusion technicians. The fusion
process includes logging of the data
which includes the time and pressure of each fusion.
As part of the pullback procedure, the
F5 TensiTrak was used.This device is put
in line with the product during pullback
to measure and display the pullback
forces in real-time.This data can be saved
on the F5, located and then later downloaded to LWD software to generate a
tti_26-31.indd 27
report. This report is important as it ensures the safe pulling force specification
of the pipe was not exceeded.
In the Force chart, the start of the
bore is at the right. One can see the
force increase as the pipe is pulled
through the bore. A good crew keeps
the bore free of sharp bends and course
corrections to minimize the pullback
force. As seen from this chart, the maximum was 63,750 lbs. This less than half
of the maximum safe pulling force specified for this pipe.
This project was a text book HDD
project using the latest technology to
ensure and prove success. The Mancini
crew was able to quickly drill the pilot
bore and pull-back the product while
minimizing the environmental impact
and maintaining the integrity of the
water main. This is another stepping
stone for the Village of Volo in their
long range water use planning.
Mark Bartel is a software engineer
manager at Digital Control Inc.
27
7/17/2013 11:37:47 AM
Tooling that Bores All
Three Generations of the Melsheimer Family Solidify Melfred
Borzall’s Place in the Advancement of HDD Tools
By Andrew Farr
L
et’s face it, the trenchless technology industry wasn’t created overnight.The industry, and specifically
the practice of horizontal direction
drilling, was a process that evolved out
of successes and failures. Over the years
it has become a specialty construction
method born from the trial and error of
drilling techniques and the use of new
equipment and tooling. It is in Melfred
Borzall’s company history, that some of
the most important developments in
the manufacturing of this tooling were
developed.
This past March, Dick Melsheimer sat
amongst a panel of his peers at what
was perhaps the most popular new
technical track at the 2013 No-Dig Show
in Sacramento, Calif. It was the “Legends
of HDD: From an Idea to an Industry”
session, and Melsheimer, president of
Melfred Borzall, Inc., joined a group of
pioneers and icons of the directional
drilling industry, including Martin Cherrington, Lon Brisco and Ron Halderman
for a panel discussion on the growth of
the HDD market.
That day, Melsheimer was truly recognized as a “legend” of HDD. But Dick, as
well as anyone at Melfred Borzall, will
likely tell you it has been the work of
three generations of Melsheimers who
have helped grow the company for
nearly 70 years.
Dick Melsheimer (right) with his sons Eric (left) and Peter.
Early Years
Prior to starting what would become
Melfred Borzall in the 1940s, Dick’s father, Fred Melsheimer worked for Baker
Oil Tools, a manufacturer of drill bits for
oil well drilling. Until that time, Fred
Melsheimer had mostly worked as a machinist and welder but was interested in
developing new ways to install underground utilities with minimal disruption on the surface. Despite not having
much experience outside of oil and gas
applications, Fred picked up some ideas
for products during his time with Baker
Oil Tools that would later be integrated
28
tti_26-31.indd 28
7/17/2013 11:37:51 AM
into products developed by Melfred
Borzall. In 1946, he decided to try his
hand in the business and started Melfred Welding & Manufacturing.
“He pretty much took some ideas
they used for vertical oil well drilling
and miniaturized it and used them going horizontally,” said Dick Melsheimer,
talking about his father.
At that time, early horizontal directional drilling patents were still a long
way from being established, and the
act of boring a horizontal hole was
acknowledged as slurry boring, rather
than HDD. Drilling was performed with
a small drill rod, generally 20-ft lengths.
According to Dick Melsheimer, similar
to today, drilling crews would spud-in a
drill rod — only, in this case, into the
ground manually — and work from one
pit to another. The one big difference
being, drill rods would be steered by
manually moving the drill rod with a
hook or shovel to move it to where it
needed to go.
“In those days, the power source was
a handheld air motor where two men
2013
would hold on to a motor and would
supply power by manually pushing and
pulling,” said Melsheimer.
Fred Melsheimer initially developed a set of tools for installing
natural gas distribution lines by way
of drilling horizontally rather than
trenching or using open-cut methods. This included a 2-in. diameter
“fish tail” bit, 20-ft lengths of 1 1/8-in.
diameter drill rod, a back reamer and
a pulling swivel.
Throughout the 1950s, Melfred Welding & Mfg. continued to work mainly
with gas companies in southern California to develop tooling used to replace
existing gas lines in residential areas.
One of the early notable patents Melfred Borzall established was in the machinery to power these tools that came
in the early 1960s.
Next Generation
Dick Melsheimer and his brother
Ted started working for the company
full-time in the early 1960s, and in addition to manufacturing drilling tools and
various pieces of equipment, Melfred
moved into developing the machinery
to power the tools.
Soon after, Dick and Ted Melsheimer
patented a machine they called the
“Dyna-Mole,” a new type of wheelmounted boring unit. The Dyna-Mole
was a hydraulic self-propelled, 30-hp
machine similar to a small tractor
that would push and pull drill rods,
replacing the need for the manual labor necessary up until that time.
“It was a big leap forward from manually pushing on it, to where you had a rubber tire vehicle supplying all the power
to it,” Dick Melsheimer said. “When we
developed the Dyna-Mole, that helped
to kick the industry to where we could
do long bores. Putting in 2-in. gas lines,
[contractors] could average 1,000 ft a
day, and on a good day they could put in
1,500 ft of polyethylene gas line. Even today, it would be hard to match that kind
of production. But when HDD and the
electronics [digital tracking equipment]
came out, that part of the business started going away.”
Educational
Series
HDD, Pipe Bursting and
CIPP for the Gas Industry
This webinar will focus on horizontal directional drilling (HDD),
pipe bursting and cured-in-place pipe (CIPP) trenchless
techniques specifically for the gas industry.
Watch this archived webinar at
www.trenchlessonline.com/index/webinars
Presented by
Produced by
TM
tti_26-31.indd 29
29
7/17/2013 11:37:55 AM
Modernization
Dick Melsheimer is considered an
HDD pioneer but will modestly tell
you that it is the work of three
generations of Melsheimers who
have helped the company grow
for nearly 70 years.
30
tti_26-31.indd 30
As equipment began to modernize
over the years and the market for drill rigs
became dominated by companies like
Vermeer and Ditch Witch, Melsheimer
said Melfred’s involvement in equipment
manufacturing began to phase out and
the tooling became the primary focus.
“A lot of the theories we used on
making tools back then, we’re still using
a lot of the same ideas now — just making the tools much stronger and heavier
for the amount of power we’re putting
through them,” he said.
In 1981, Dick Melsheimer left the company briefly to start up a separate equipment manufacturing company, called
Borzall Equipment.When Fred Melsheimer
passed away in 1986, the two companies
merged back together under the name
Melfred Borzall (If you haven’t figured it
out,the name“Melfred Borzall”comes from
the combination of Fred Melsheimer’s last
and first name, respectively, and the name
of Dick’s separate company, Borzall).
Since then, Melfred Borzall has continued to improve upon the pieces of
tooling it has developed, revolutionizing
the process and efficiency of HDD. In addition to the tooling staples like drill bit
and blades, drill rods, reamers and pulling
swivels that have remained part of Melfred’s core product line, the company also
experimented with locating equipment.
Dick Melsheimer said in the years
following the development of the
Dyna-Mole, the company developed a
locating device using similar technology to what Digital Control, Inc. (DCI)
eventually developed, only without advanced steering capabilities.The device
allowed the ability to locate a drill head,
but Melsheimer said in the end, the
product was never marketed well, due
to the fact that it was slow-moving and
therefore never commercially viable.
Nevertheless, Melsheimer credits
digital tracking systems as being an essential tool in the modernization of the
HDD industry. Today, another big product push in Melfred Borzall’s catalog is
its transmitter housing devices. The devices are made from high-strength, heattreated alloy material and allow protection for transmitters for digital tracking
7/17/2013 11:38:02 AM
systems. The transmitter housing also
has a fluid nozzle that points in the direction the drill needs to steer by maintaining the same angle as the blade.
Directional Depot
Today, Melfred Borzall employs 38
workers and is based primarily at its
manufacturing facility in Santa Maria,
Calif., where it moved from Los Angeles in 2000. Melfred also continues to
remain a family business as Dick’s sons
Eric and Peter are also heavily involved
in the business as chief engineer and
marketing director, respectively.
One initiative the company has undertaken in recent years has been in marketing its products. Peter Melsheimer
joined the company in 1989 and soon
realized the need to step up the promotion of products and create a network
among its distributors. The answer was
Directional Depot — a DBA started by
Peter around 1995 as a way to better
market Melfred’s drilling accessories.
“No real marketing had been done
other than a catalog, but it was something that needed to be done,” said Peter Melsheimer.
Although Directional Depot is a name
that has now become somewhat synonymous with Melfred Borzall, it mainly
refers to a mail order catalog the company sent out to distributors, which is
now available on Melfred Borzall’s website as well.
“At first it was a better way to compete against big drill rig manufacturers,” Peter said. “That worked out well
for us for a number of years, especially
early on. In the early days, there wasn’t
a huge market and not a whole lot of
education about the products.”
In recent years, Melfred has also been
instrumental in educating the local community on the industry and the practice
of manufacturing drilling parts.The company often holds career days at its facility and invites students from local school
districts to tour the manufacturing plant
where they can see first-hand the potential in the drilling industry.
It is in this dedication to the industry’s future that Melfred Borzall continues to be a leader in a unique facet
of the directional drilling industry and
continues to make the Melsheimer family truly one of HDD legends.
A welder in Melfred Borzall’s shop works on a custom “Turbonator” reamer.
Andrew Farr is an assistant editor
of Trenchless Technology.
tti_26-31.indd 31
31
7/17/2013 11:38:08 AM
HDD Plays Key
Role in
Oklahoma
Contractor’s
Pipeline Work
By Jeri Lamerton
G
rowing energy demands have
helped keep an Oklahoma-based
group busy building pipelines,
constructing gas plants, compressor stations, crude oil pumping stations and assisting clients with material acquisitions.
The Gateway Companies LLC, Shawnee, includes Gateway Services Group,
Gateway Pipeline and Gateway Directional Drilling. The companies operate
primarily in Oklahoma, Kansas, and Texas.
For constructing energy pipelines,
Gateway Pipeline uses large track trenchers, excavators, side booms and as-
32
tti_32-35.indd 32
sorted support equipment and haul
vehicles.
However, horizontal directional drilling (HDD) serves as a critical element
on many pipeline projects in extending pipe beneath rivers, streams, other
bodies of water, highways and railroad
crossings and other areas where excavation either is impractical or impossible.
In addition, environmental restrictions
make HDD the only viable method in
some areas.
Gateway Directional Drilling LLC,
performs directional drilling work for
its sister company Gateway Pipeline
and subcontracts HDD jobs, also.
“We are a family-owned directional
drilling company with a reputation for
7/17/2013 11:38:02 AM
completing projects in a timely manner
without sacrificing safety,” said general
manager Gary Paule. “We are an ISNETcompliant company with a full-time
safety manager to ensure field personnel meet all government and client safety regulations and requirements.”
Paule said Gateway got in the directional boring business when a drill
unit came with a company acquired by
Gateway.
Committed to HDD work, the company soon acquired a 30,000-lb pullback
Ditch Witch JT3020 All Terrain (AT)
drilling system.
“Less than a year later,” he said, “we
were in the market for a larger model to
expand our capabilities.”
The choice was a Ditch Witch JT100
with 100,000 lbs of pullback.
“The majority of our work is oil and
gas related, but we have the capability
and have completed projects in other industry categories, as well,” said
Paule. “The new machine extends the
capabilities we can offer our clients.”
Gateway Directional Drilling’s clients
primarily are energy companies. HDD
tti_32-35.indd 33
installations range from 100 to 1,600 ft
to install HDPE and steel pipes in diameters from 2 to 24 in.
Paule said typical installations include crossings of rivers, creeks and
highways.
Examples of three recent projects
northwest of Canadian, Texas, all completed with the JT100, are:
Project 1
Horizontal directional drilling
serves as a critical element on
many pipeline projects in extending
pipe beneath rivers, streams, other
bodies of water, highways and
railroadroad crossings.
• Obstacle: Dry creek
• Soil conditions: Sandstone and
caliche
• Length of bore: 900 ft
• Product installed: 24-in., .500
wall steel natural gas pipe
• Pilot hole: Completed in
approximately three days using 8-in.
radius rock bit
• Pullback: Total time, just over two
hours. Reamers were 12-, 18-, 24-,
30- and 36-in. fly cutters and a 28-in.
barrel reamer. Fifteen-foot-long drill
rods came back at the rate of about
two minutes per rod.
33
7/17/2013 11:38:09 AM
Project 2
• Obstacle: Creek
• Soil conditions: Sandstone,
caliche, and sand
• Length of bore: 810 ft
• Product installed: 24-in., .500
approximately three days using 8-in.
radius rock bit
• Pullback: Total time, just over two
hours. Reamers were 12-, 18-, 24-,
barrel reamer.
Project 3
•
•
•
•
Obstacle: Canyon and cap rock
Soil conditions: Rock (sandstone)
Length of bore: 1,005 ft
Product installed: 24-in., .500
approximately four days.
• Pullback: Total time, 2 hours, 45
34
tti_32-35.indd 34
Completing HDD
crossings safely and
efficiently requires
good planning and
management,
education and
training of employees,
and disciplined and
efficient execution.
minutes. Reamers were 12-, 18-, 24-,
barrel reamer.
The three projects were for one of
the largest marketers of natural gas and
natural gas by-products in the United
States. They were the first jobs done
with the JT100.
“The JT100 is performing to every
expectation we have,” said Paule. “We
have been especially impressed with
the machine’s unique system of lifting
the pipe into the top basket and pulling off the full top basket during pull-
back. We had no down time for basket
changes. Its auger-style stake-down system helps to make set-up and teardown
quick and easy.The pipe loading system
is simple and quick with less buttons to
push.The rig handled the larger 30- and
36-in. fly cutters very well. We had no
trouble turning the reamers, and the rig
did not struggle to handle them.
The company’s JT3020 model utilize
a patented mechanical, dual-pipe All
Terrain (AT) system that enables them
to effectively bore and steer through
rock that is beyond the capabilities of
7/17/2013 11:38:16 AM
conventional equipment of comparable size and pullback ratings. Unlike
conventional HDD equipment using a
single drill stem and a slant-face boring
head to control steering, AT models use
a mechanical, dual-pipe system that delivers maximum downhole horsepower.
An inner rod drives a rock bit, and the
outer pipe steers the downhole tool for
drilling pilot holes and provides rotary
torque for the hole opener during backreaming. The AT system enables simultaneous drilling and steering through
rock and rocky soil. AT equipment requires no more drilling fluid than conventional equipment.
Paule says completing HDD crossings safely and efficiently required good
planning and management, education
and training of employees, and disciplined and efficient execution.
“Taking care of equipment with preventative maintenance also is essential,”
said Paule.
“Equipment dealers are key partners
in a construction company’s success,”
he added. “We have a great relationship
tti_32-35.indd 35
Environmental restrictions make HDD the only viable method in some areas.
with the sales, parts and service departments of Ditch Witch of Oklahoma.
They have played a significant part of
our company’s success thus far and we
plan on relying on them to help our
business grow in the future.”
For Gateway Directional Drilling, the
plan for the future is continuing to grow
and meet market demands in the near term.
“Long term,” he said, “our strategy
is to partner with our sister companies, Gateway Services Group (Survey,
Drafting and Engineering Services)
and Gateway Pipeline, and to start offering design/build capabilities in order to better serve our customers.”
Jeri Lamerton is public relations
manager for The Charles Machine
Works, Perry, Okla.
35
7/17/2013 11:38:34 AM
Stimulus
Dollars Help
Fund Fiber
Upgrade for
Antiquated ‘Ma
Bell’ System
By Randy Happel
T
he existing Bell System infrastructure serving several small rural
communities along the Iowa/Missouri border was an aging system of
spliced lines and slow connections.
So, Grand River Mutual Telephone
Corp., located in Princeton, Mo., initiated an upgrade. The local service provider applied for and was awarded a
Last-Mile Award, made possible by the
U.S. Department of Agriculture Rural
Utilities Service, to install new lines.
More than $14 million of the $20plus million project was provided
through the American Recovery and
Reinvestment Act of 2009. The award
allows broadband connectivity to be
brought directly into homes, businesses and community anchor institutions,
such as schools, libraries, health clinics
and hospitals.
Grand River Mutual, along with general contractor MasTec North America,
based in Shevlin, Minn., selected installation contractor Jackson Creek Enterprises, headquartered in nearby Allerton, Iowa, to install the new network.
Spanning more than 150 miles, the
Grand River Mutual Fiber-to-the-Home
Broadband Deployment Project–Service Area 5 will provide broadband service to the towns of Corydon, Millerton,
Allerton and Lineville, Iowa, and Powersville, Mo., including 1997 homes and
339 local businesses.
“We have completed projects located in Long Island, N.Y., to San Diego,”
says David Wampler, founder and president of Jackson Creek Enterprises, “so
it’s nice having a job that is situated
right in our backyard. Our primary
work involves municipal water and
sewer work, along with some environmental remediation using horizontal
36
tti_36-39.indd 36
Crews were able to complete individual bores ranging in length from 700 to
800 ft on average while individual drops connecting homes and businesses
fell within the 20- to 40-ft range.
directional wells. It had been many
years since we last completed a fiber
project, especially a job located near
my home. I like being able to sleep in
my own bed at night.”
Wampler founded Jackson Creek
Enterprises in his home town of Allerton, Iowa, in 2000 after spending
more than five years as an international
product support specialist for Vermeer
Corp., based in nearby Pella, Iowa. During his tenure with Vermeer, Wampler
was responsible for supporting new
crews and advancing the concept of
horizontal directional drilling (HDD)
around the world. He has consulted
and worked alongside HDD crews in 22
countries, including Russia, China, Saudi
Arabia, Mexico, Australia and New Zealand, as well as more than half of the
states in the United States.
Wampler selected a Vermeer D7x11
Navigator Series II horizontal directional
drill from his fleet of four HDD models
— all manufactured by Vermeer — for
Jackson Creek Enterprises’ role in the
Grand River Mutual job, which includes
installing more than 75,000 ft of 1 1/4- to
2-in. high-density polyethylene (HDPE)
main line conduit, along with connections to each home and business.
“All of the main line consists of conduit that we’re installing using HDD,”
Wampler says. “I bought a Vermeer
7/17/2013 11:38:15 AM
tti_36-39.indd 37
7/17/2013 11:38:18 AM
LM42 plow to bury the individual drops
to connect the homes and businesses.
The majority of the conduit is 1-1/4-in.,
but there are places where there is 2-in.
pipe within the network where we’ve
bundled multiples. At those locations
we pulled back two or three, sometimes even four conduits. We also set all
of the pedestals. All lines terminate into
a pedestal at some point.”
Extensive Potholing
The fertile, rich topsoil, with intermittent pockets of sticky clay, prevalent in
this region and known for its ability to
produce bumper agricultural crops, is
also an HDD operator’s delight; hence,
ground conditions were of minimal
concern. The biggest challenge for
Wampler’s crew of experienced trenchless installation specialists was locating
the several utility lines beneath the surface within the city limits of the many
communities connected by the new
fiber network. To minimize disturbance
and potential damage to existing underground lines required extensive potholing and locating efforts.
“We’re very diligent about looking for
and locating existing utilities,” Wampler
says.“We have great city crews here that
have done a fabulous job of marking
water and sewer lines, and we’ve been
very fortunate. We won’t cross anything
unless we have first potholed the location to confirm visually where all these
different utilities are located. Most of
the time, our potholing crew could
keep a day ahead of the drill; but with
minimal ground condition challenges,
we’ve been able to document impressive production rates.”
The main line — originating from a primarily rural landscape — was designed to
route into a central office within the town,
with subordinate lines fingering back out
to different quadrants.The city was divided
into four sections by a team of planning
engineers with each section served by a
dedicated route. The primary objective
was to link the primary rural fiber line
to the central office, then offshoot a network of routes to each quadrant of town.
Wampler’s crews were able to complete
individual bores ranging in length from
700 to 800 ft on average; while individual
drops connecting businesses and homes
fell within the 20- to 40-ft range.
The main line conduit was installed at
a depth of 36 in. or greater, while connections to individual homes and busi38
tti_36-39.indd 38
The Grand River Mutual job included installing more than 75,000 ft of 1 1/4in. to 2-in. HDPE main line conduit, along with connections to each home
and business.
nesses were installed with a Vermeer
LM42 vibratory plow at an average depth
of 18 in. Scant amounts of a polymer/
bentonite drilling fluid mixture were introduced into the bore path periodically
— primarily to help keep electronics
cool — since maintaining bore integrity
wasn’t as much of a concern drilling
in the heavy clay soil composition as it
would have been if boring through other conditions that are less stable. A standard 6-in. fluted back reamer was used
to bore those areas where multiple conduits were pulled back simultaneously.
With the main line of the first of two
phases of the project nearly completed,
Wampler is stepping up efforts to finish
drop connections to homes and businesses before moving on to Phase 2; work that
will connect the towns of Allerton, Clio
and Lineville, Iowa, and Powersville, Mo.
“We have about another year’s worth
of work remaining to complete the
entire project,” Wampler says. “And all
of that is right here within 20 miles of
where I live. After moving away from
most fiber installations after the telecom bust of 2001, I must admit that we
are enjoying this project. Maybe it has
something to do with being so close to
home, and being familiar with the conditions here.
“The D7x11 Series II drill works great
and HDD has been a very efficient installation approach.This may not be the
most challenging job, but every once
and in a while, it’s really nice to have
one that goes according to plan.We also
take a lot of pride knowing that our local company is responsible for bringing
enhanced communications services to
the good folks of these communities.”
Randy Happel is a features writer for
Two Rivers Marketing, Des Moines,
Iowa.
7/17/2013 11:38:40 AM
tti_36-39.indd 39
7/17/2013 11:38:45 AM
Engage Thrusters!
Herrenknecht Technology Enables Bigger, Longer Pipelines
By Bradley Kramer
T
he history of mankind tells the
story of pushing boundaries. It is a
trend evident on construction jobsites, where contractors seek to complete projects bigger and faster than
those that came before. In the horizontal directional drilling sector, rig crews
continue to test the limits of distance
and diameter. Helping these contractors surpass new thresholds is a piece
of equipment that was developed in
2006, but has continued to gain market
acceptance over the past seven years:
the Herrenknecht Pipe Thruster.
Developed as a pipe assist tool for
HDD and incorporated into the Herrenknecht’s Direct Pipe and the newly
unveiled Pipe Express systems, the
Pipe Thruster aids in installing pipe
by supplying boosted push and pull
forces, which come in handy in tough
soil conditions. The Pipe Thruster is
especially useful on longer crossings
and larger diameter pipe, according to
Dr. Gerhard Lang, in charge of business
development for the company’s utility
tunneling business unit.
“The primary reason it was developed back 2006 was that Herrenknecht
was designing HDD machines and focusing on larger rigs, those around 1
million lbs,” Lang says. “The drill pipe
can only handle a certain load, and it’s
limited on one side. Why not help by
pushing the pipe on other side?”
40
tti_40-41.indd 40
The Pipe Thruster is available in three
sizes, with push and pull force capabilities of 300, 500 and 750 tonnes (up to
1.6 million lbs). Usable pipe diameters
range from 8 to 60 in., depending on
the application. The Pipe Thruster
clamps onto steel pipe and can apply
either push or pullback forces with the
push of a button. For HDD assist applications, the unit is placed at the exit
side of the crossing and applies pushing
forces on the product pipe as the drill
rig pulls back.
The Pipe Thruster not only aids in
pushing the pipe into the ground, but
it can also recover stuck, jammed or
defective pipelines. The system can reverse course in the case of an obstruction in the bore path, rather than needing to build a recovery shaft.
“In crossings with highly permeable,
such as sand and pebbles, where HDD
has certain risks, like losing circulation,
there Direct Pipe can applied where
HDD contractors can use the benefits,”
Lang says.“One of the major benefits of
Direct Pipe is minimal frac-out risk and
less impact on the environment.”
When used as an HDD backup, the
Pipe Thruster can propel contractors
to record lengths. The biggest project
the system has been used on, according
to Lang, was a project in Turkmenistan
that used a 750-tonne Pipe Thruster on
a 1.7-km installation of 56 in. pipe. (For
more project details, check out the inset on page 41.)
Benefitting the
HDD Market
While HDD contractors in Europe
have been quicker to adopt the Herrenknecht technology, the Pipe Thruster is
making inroads to North America, Lang
says. The company rolled out its equipment slowly, focusing on local markets
in Germany and then the Netherlands.
European contractors experience lower insurance fees when they are able
to show they have a backup system to
minimize risk.
“The United States is a lucrative market because of the larger oil and gas
pipeline work coming up,” Lang says.
“Three contractors in the market are
using the Pipe Thruster in directional
drilling.”
He says the companies that have purchased the equipment are using it for
a variety of applications. However, the
companies declined to participate in
this article.
“Engineering companies, especially
geo-engineers, are specifying the use of
such backup systems in certain types
of work,” Lang says. “It’s just about to
take off and get a foothold in the United
States. We have seven installations in
the U.S. now, ranging from 30 to 48 in.”
7/17/2013 11:38:30 AM
By setting up the Pipe Thruster at
the pipe side during pipeline installation, the unit supports the HDD rig as
it pushes the pipe toward the rig side.
Therefore, the forces acting on the
pipeline are applied more evenly. To
help avoid damaging the pipe coating,
two axially arranged hydraulic cylin-
ders exert variably adjustable force on
the product pipe via a clamping unit.
The clamping plates are lined with
rubber and provide a large contact
surface, thereby minimizing the contact pressure and shear stress applied
on the pipe. Several coating tests have
been done so far for companies like
Chevron, Saipem, Eon-Ruhrgas, TransCanada and others without any coating damage.
Bradley Kramer is managing editor
of North American Oil & Gas Pipelines, a sister publication of Trenchless Technology.
Projects at a Glance
Herrenknecht Pipe Thruster + HDD
Contractors around the world have been using Herrenknecht’s Pipe Thruster with HDD rigs on large scale projects.
What follows are two snapshots of recent energy pipeline projects that have used this innovative combination.
EAST WEST GAS PIPELINE, GODAVARI
RIVER CROSSING — RAJAHMUNDRY, INDIA
Natural gas is expected to account for one fifth of the energy
mix in India by 2025. To achieve this target, the 1,386-km long
East-West Gas Pipeline was built and had to cross the Godavari
River on the East Coast of the Indian subcontinent. For this
purpose, a 2,400-m protection tunnel, including the installed
pipeline, had to be completed before the summer monsoon
flooded the banks of the Godavari.
BARROW ISLAND, AUSTRALIA
One of the biggest raw material projects in the world is being developed in West Australia around the small Barrow Island.
An offshore system of pipelines, a large-scale natural gas extraction facility, and an onshore natural gas liquefaction plant are
being built on the island. State-of-the-art Herrenknecht technology was used to connect the gas liquefaction plant to the
pipelines on the seabed and to supply the offshore equipment.
Together with the customer, Herrenknecht engineers
adapted the pipeline installation equipment to the strict environmental regulations in place for the Barrow Island nature
reserve. Beside two Herrenknecht HDD rigs, a modified Herrenknecht Pipe Thruster was also used to enable the installation of smaller pipes (up to 8-in. diameter). With the pull support of a pipeline installation vessel, the pipelines were pushed
into the prepared borehole from the landside towards the sea
by the Pipe Thruster. Nine pipelines with a length of up to 520
m were installed safely and precisely, ensuring optimum protection of the environment.
Project Background
In order to deal with time constraints, two identical Herrenknecht EPB Shields tunneled from each bank towards the
central shaft in the middle of the river.The EPB machines were
also equipped with a slurryfier box. It enables safe tunneling
also in sections with water bearing incohesive soil. After three
months, the two machines came together precisely as scheduled in the central shaft.
With up to 5 m per minute, the prefabricated string was installed on time – before the monsoon could come.
Contractor: AJ Lucas Group Ltd.
Pipeline length: 450 – 520 m (a total of 4,500 m)
Pipeline diameter: 8 – 34 in.
Equipment: 2 × HDD Rig, HK250T, HK400CM, H-123, H-124,
Pipe Thruster, HK500PT, H-125
Max. thrust and pulling force: 500 tonnes (1 million lbs)
Project Background
Contractor: Züblin International GmbH
Tunnel lengths: 1,250 m, 1,150 m, 75 m
Pipeline length: 2,475 m
Pipeline diameter: 48 in.
Equipment: 2 × EPB Shield, M-813M, M-1090M, Pipe Thruster,
HK500PT, H-022
Max. thrust and pulling force: 500 tonnes (1 million lbs)
tti_40-41.indd 41
41
7/17/2013 11:38:49 AM
Wind & Solar Power Projects Benefit
from HDD Technology
By Steve Cooper
T
wo of the most popular renewable energy sources are using
horizontal directional drilling
(HDD) for installing power cables.
Wind and solar farms are sprouting
up throughout the United States and
are usually on large tracts of land —
sometimes with hundreds of units in
place that now generate substantial
“greener” energy.
The use of HDD is helping these
projects gain installation efficiencies both in terms of labor and material costs. Protection of the electrical
cables that run from either a windmill or a solar collection unit and
transmit power is being made possible by burying them underground,
typically, through the use of conduit
made from high-density polyethylene
(HDPE). The durable material enables
42
tti_42-45.indd 42
the HDD process to be used, thereby
reducing timelines and promoting
faster performance.
Design engineers of these ‘greenfriendly’ projects are also acutely aware
of the need to protect the environment
and find HDD lessens the impact on the
terrain during construction for these
environmentally-conscious, innovative
power supply sources. The HDD installation method reduces the impact on
the environment, boosts the ability for
faster start-ups and extends lifecycle expectations for reliable pipeline performance which is projected to effectively
function for hundreds of years in the
future, if not the entire anticipated lifecycle of the energy farm.
“HDPE conduit has the right costto-benefit ratio that includes the pipe
stiffness necessary to withstand the
weight of deep burial while being
able to be flexible and strong enough
to allow for HDD,” stated Plastics Pipe
Institute executive director Tony Radoszewski. PPI is the major trade association representing all segments of the
plastic pipe industry.
“It’s ideal, especially for projects
where there is a need to reduce
ground disruption such as in a wetland or going under a road because
HDPE conduit can be ‘snaked’ underneath sensitive environments or
challenging settings,” he said. “Plus,
the HDPE conduit is flexible enough
to resist seismic shifts that could disrupt service. The polyethylene itself is
chemically resistant to high acidity or
alkalinity from the soil as well as being
waterproof — all of which protects
the cable inside. The length of HDPE
7/17/2013 11:38:48 AM
conduit in either 50-ft long ‘stick’
sections or hundred-foot coils can
reduce the number of joints necessary for the installation, which in
turn, reduces the overall project
costs as does joining pipe sections
with heat fusion.
“From a sustainability standpoint, HDPE pipe and alternative
power sources form a unique partnership,” Radoszewski said. “Like
solar and wind energy, a plastic
pipe system is a sustainable and environmentally responsible choice
that will serve generations to
come. Ecologically efficient during
manufacturing since it requires significantly less energy to fabricate,
transport and install than other
pipe products — the conduit is
also strong, durable, light-weight
and flexible while providing excellent protection for the power and
fiber cables inside.
“And what is especially important
or electrical cable use,” he said, “is
that HDPE conduit does not require
The use of HDD
is helping wind
and solar farm
projects gain
installation
efficiencies
both in terms
of labor and
material costs.
any cathodic protection that would
be needed to prevent corrosion of a
pipe with a metal surface.”
Project designers and installers of
both solar and wind energy projects
are finding that using either large
diameter conduit to accommodate
high voltage wire or smaller conduit
with cable already installed, known
as Cable In Conduit or CIC, provides
benefits for HDD.
A Shining Example of
HDD Conduit Use
The largest solar farm of its kind
in North America elected to locate
power and control cables in underground conduit made from HDPE as
a way to increase the life of the facility. Brought online in July 2011, the
2.2 MW solar farm in South Burlington, Vt., covers 25 acres and includes
382 solar trackers. Cables convey
power from the solar trackers to the
electric grid. AllEarth Renewables
Inc., Williston, Vt., designed the so-
We are committed to delivering high quality service and
creating cost saving opportunities for our customers.
millerpipeline.com
Horizontal Directional Drilling Services
• Latemodelfleetwithanaggressive
equipmentreplacementschedule
Contact a representative in your area.
Call 800.428.3742 or email [email protected]
• Capableofmakingboresupto5,000ft.
inlength
• Boringfor½-inchto42-inchpipe
diameters
• Utilizationofwireguidanceandother
technologiestocompleteasafe,more
precisebore
• In-houseborepathdesigncapabilities
tti_42-45.indd 43
43
7/17/2013 11:38:51 AM
lar farm and manufactured the AllSun
Trackers Series 24 solar trackers.
To protect the natural environment,
installation of the HDPE conduit under
a forested area used HDD. All low voltage wiring used UL 1990 certified Cable In Conduit (CIC) provided by Blue
Diamond Industries LLC, Lexington, Ky.
Blue Diamond is a member company
of the PPI.
The AllSunTracker conduit included
nearly 70,000 ft of ¾-in. CIC pipe with
three 6AWG cables — black, green and
white — and 5,000 ft of 2.5-in. diameter
CIC with 4/0 wiring for the panel feeder lines. Blue Diamond supplied CIC on
reels ranging from 2,000 to 10,000 ft.The
company is listed by UL for specification
UL 1990, Nonmetallic Underground Conduit with Conductors and its CIC is manufactured under ASTM D 3485.
“Most solar farms use underground
PVC pipe,” stated AllEarth engineering
technician Doug MacDonald. “With
PVC pipe, the wire is pulled onsite after installation. We found that HDPE
conduit saves in multiple ways that includes less labor to install. For this project, the HDPE conduit came preloaded
with the wire, which enabled us to use
a smaller conduit size, reducing the cost
of materials and bore size. In addition,
less handling and post-installation work
meant more savings.”
“Typically, when other types of conduit are used, it can turn into a very labor-intensive project,” explained Radoszewski. “This is because a trench must
be dug, the conduit installed and then a
pull rope is blown through the conduit
so that each wire can be pulled back
through. Because HDPE conduit can
have the wire installed when the pipe
is being extruded, it comes to the job
site ready to go.This saves considerable
time and money.
“Custom lengths can be ordered and
sometimes a single reel will hold thousands of feet, which puts more conduit
at the site to further expedite installation,” he continued.
The AllSun Trackers are polemounted, dual axis trackers that
follow the sun throughout the day
guided with a GPS system. Each of
the 382 units move from east to west
and up and down, tracking the sun
in order to maximize efficiency as
it transforms solar energy into electrical energy. Total power produced
44
tti_42-45.indd 44
Protection of the electrical cables that run from either a windmill or a solar
collection unit and transmit power is being made possible by burying them
underground, typically, through the use of conduit made from high-density
polyethylene (HDPE).
by the South Burlington Solar Farm
is estimated to be approximately
3,000,000 kw hours a year — 45
percent more than the amount of
electricity that could be produced
by a fixed roof-top photovoltaic system of the same size. The project is
owned and operated by the Chittenden County Solar Partners LLC. The
value of the electricity generated by
the farm has been tagged at $924,000
a year and is enough to power more
than 400 homes.
The HDPE conduit provided the solution to go under a heavily forested section of private property and a section
of wetland.
“We directionally drilled two, 400-ft
runs of 5-in. diameter HDPE pipe used
for the main power feed and communication cables,” explained Aaryn French,
project manager for Engineers Construction Inc., Williston, Vt. “And because we had the cable already in the
conduit, it saved us a lot of time. We
were killing two birds with one stone.
Installing the pipe and wire at the
same time — that was a huge benefit. It
was more efficient than using sticks of
PVC — probably five to 10 times faster.
“This is probably one of the biggest applications of using CIC in
this specific manner. In this application it was cost efficient, time efficient and it just worked really well.”
French continued. “That’s because
we weren’t trying to put together
PVC and putting a pull string in and
pulling the wire. This was a one shot
deal....you complete the bore, you
know your two end locations, tie it
in, backfill and you’re done.”
Wind Turbines Whirl
with Large Diameter
Conduit HDD
One of the country’s newest wind
power operations, the Beebe Wind
Farm in Breckenridge, Mich., has 34
turbines operational with another 16 to
come on-stream during 2013. The crew
from M. J. Electric LLC, Iron Mountain,
Mich., found the use of HDPE conduit
sped installation and enabled them to
use either cut-and-cover trenching or
HDD. The 34.5kV lines are housed in
the 8-in. diameter HDPE conduit and
are buried as deep as 30 ft with some
runs being 1,000 to 2,000 ft long. The
land used for the Beebe Wind Farm is an
agricultural farm.
“There are usually four or five turbines on a circuit which are strung
7/17/2013 11:38:54 AM
together with an underground collection cable out in the farmer’s field, or
the grasslands, depending on what part
of the country we’re in,” explained M.J.
Electric director of purchasing Rick
Moore. “Ultimately, each circuit collecting the energy generated by the wind
turbine ends up at a substation.”
M. J. Electric was responsible for the
underground collection system, substation and subsequent transmission
lines at Beebe. “We used HDPE conduit
exclusively for underground boring operations for runs under roads, ditches,
ponds, creeks and under environmentally-sensitive areas. We standardized
on either SDR 11 or SDR 13.5 — both
these Standard Dimension Ratios will
easily provide the strength for the long
bores,” Moore said.
The large gauge collector circuits
typically take 10,000 to 15,000 ft of
conduit, which was provided for the
Beebe project by Endot Industries Inc.,
Rockaway, N.J., in 40- and 50-ft lengths.
Called Enduct IDE 850, SDR 11, the
side walls are 3/4 of an inch thick with
a nominal outside diameter of 8.6 in.
tti_42-45.indd 45
and complies with the ASTM F2160
‘Standard Specification for Solid Wall
High Density Polyethylene (HDPE)
Conduit Based on Controlled Outside
Diameter (OD)’. Endot is also a member company of PPI.
According to Rod Brossart, general
foreman for M. J. Electric,“On the Beebe
wind farm we also directionally bored
under drainage ditches that were 12 to
15 ft deep and 25 to 30 ft wide. I think
we were 8 to 9 ft below the bottom of
the ditch, so in some parts that put us
25 ft deep if you were to dig straight
down from the top of the ditch.
“When we directionally bore, we
can steer it but can only angle it down
about 10 percent — basically 1 ft for every drilling rod. So if we’re going across
a drainage ditch that is 30 ft wide and
15 ft deep we have to do our math so
that we’re far enough back to set up
and be able to be at the depth needed
at the middle of that ditch and then be
able to come back up. It’s easy to set up
the fusing equipment, put the sections
together and pull it straight in through
the directional bore.”
In the past, according to Moore, it
would be typical to use the same cast iron
pipe found in water systems.“This would
certainly be a premium cost for conduit
or galvanized rigid steel conduit, and use
couplings to join sections just like in any
industrial application,” Moore said.“These
products come in 10-ft-lengths vs. the 50ft lengths we get for the HDPE conduit
and it’s quick to fuse together, so there is
certainly a cost-savings with not having to
deal with such great heavy small pieces;
we can deal with longer, bigger sections
and no welding or mechanical couplings.
From our standpoint, HDPE is certainly
the way to go.
“Corrosion is also an issue. People
put steel pipe underground all the time,
whether it’s a gas pipe or a water line.
HDPE provides a high degree of protection regardless of the chemicals in the
ground especially around farms. HDPE
certainly wins in that regard from a corrosion standpoint.”
Steve Cooper has been reporting
on the water and pipe industries for
several decades.
45
7/17/2013 11:38:58 AM
Experience
Trumps
Technology
By John English
F
rom HDD’s inception, navigational
capabilities have been the most
critical component of industry
expansion. In just a little more than
30 years, technological advances have
been tremendous with navigation/guidance technology leading the way. These
improvements are not a result — they
are the catalyst for HDD expansion and
growth, resulting in incalculable economic and environmental benefits.
That said, it is critical that those involved in pipeline and utility construction understand the most important component in today’s HDD isn’t technology:
It is experience. Know-how is strictly
a human asset and the most difficult to
acquire. This factor is magnified by the
risk and complexity of HDD. Proficiency
requires training and experience. This
doesn’t come with the purchase of a rig
or a steering system. The consequences
of an improperly planned, improperly
drilled or improperly placed pipeline can
be catastrophic. How to minimize risks?
Plan for success and avoid shortcuts. To
do so there are a couple of rules: 1) One;
the earliest possible involvement of an
experienced HDD contractor cannot be
over stated; and 2) Experience and skill
are seldom reflected with a low-bid.
HDD pioneers would drill a segment of
drill pipe and then pump a compass and
camera down-hole to check orientation,
make adjustments and then repeat the
same time consuming procedure each segment.Tedious work but these early navigators became very good with magnetics.
HDD navigation became a specialized skill.
There have been advances in technology
but also an increase in the skills required
to perform more complicated tasks. It
hasn’t become easier. Due to the complexity of the designs and the congested areas
in which HDD is now required the experience level of today’s contractors and navigators is even more critical.
The first big HDD advance (early
1980s) was a magnetic steering tool
46
tti_46-49.indd 46
HDD steering technology continues to improve. Horizontal Technology’s John
English and Don Chaddock display a steering tool; technology has become
shorter and less expensive over the years.
that could be left in the non-magnetic
housing while drilling. This improved
speed but did nothing for accuracy. In
the late 1980s, a method establishing
an artificial magnetic field above the
drill path changed the industry forever.
A small wire, looped either side of the
proposed drill path, could be energized
with an known voltage of direct current
from a welder (which already existed on
all HDD locations), creating a specific
magnetic field that could be detected
by the underground magnetic steering
tool with pinpoint accuracy. Simple and
precise, the HDD boom was officially on.
We have amazing technology that
continues to improve. Steering tools
are shorter and less expensive. Surface
tracking is faster and is more accurate,
even at greater depths. This improved
accuracy not only expands the locations that HDD can operate, it expands
the potential length in which HDD
is applicable. Drillable distances are
largely limited by the formation, so the
ability to intersect theoretically doubles
the length capabilities in any given formation. Projects that could never have
been conceived are now successfully
completed thanks to precise navigational skills. Experienced HDD contractors, using a drill bit as small as 8 ½ in.,
operating rigs from opposite directions,
routinely intersect planned bore paths,
tagging one bit with the other. How can
anyone question HDD navigational ac-
curacy when drill rigs can set up at the
widest point of the Mississippi River,
and tag bits hundreds of feet below the
surface? Intersects/intercepts are not
always bit to bit. We also drill to, and
sometimes through, pre-planned windows, threading drill strings through
vertical caissons, at depth capabilities
in excess of 200 ft.
That said, only a small percentage of
HDD projects require an intersect. More
and more do require planned lateral
curves or a combination of curves. Yes,
some do get carried away with designer
drills but the ever increasing capabilities
allow engineers to design HDD projects
that could never be considered without
today’s guidance capabilities.
The technology doesn’t stop with
accuracy. With our improved steering
tools, the HDD contractor can simultaneously monitor and record drill pipe
and annulus pressure. Real time drill
pipe pressure, at the steering tool, improves down-hole motor and bit performance. The annular pressure can assist
in the prevention of mud loss or inadvertent returns. Both features, when
used in the proper application, speed
operations and save money. When use
needlessly, they slow operations and
raise costs; again, an issue of experience.
HDD Software
The newest HDD software incorporates a number of advantages that save
7/17/2013 11:39:03 AM
contractors a fortune each and every
year. When the surface tracking method
was first developed navigators used very
simple yet time consuming surface set
up techniques. All surveys were based
on a straight line from entry to exit
and measurements of the tracking wire
were completed with a long measuring
tape, written on a note pad and manually entered into a computer.A change of
drilling plans, such as entry or exit location, would require every corner to be
re-measured requiring many hours, if not
days, of additional set up time. Curves
and parallel drills substantially increased
the chances for error.The computer program (and many of the programs still
used today) couldn’t set up a curved
drill path. Plotting a curve or parallel drill
with all survey locations plotted as an increasing or decreasing distance from an
arbitrary off-set line is complicated. Inexperienced consultants, farming work out
to low bidders, wouldn’t know the difference.There were many re-drills due to
survey or data entry problems.The latest
HDD software uses the proposed drill
path as the base line, curved or straight.
Survey points are gathered with total stations and recorded with data collectors
which download all points, without error, directly to the computer.A change in
entry or exit? All corner points can be
recalculated with the contractor ready
to drill in couple of minutes.
After the ability to verify a drills underground location, the effective distribution of real time data has had the biggest
financial benefit to the HDD industry.
Contractors who integrate this navigational technology into their daily operations have a definite advantage, saving
time and resources. With the newest
software, pre-bore plans can be changed,
distributed for approval via emailed in
minutes. In addition, superintendents,
inspectors, office staff or other pre-chosen recipients can receive and review
real time directional survey data as it is
acquired by the navigator. This means a
manager halfway across the world can
view drill times, build rates, azimuth,
inclination, as well as bit location in
reference to the proposed drill path on
multiple projects at the same time. Logistically, this can be a priceless asset when
scheduling future operations.
The software can immediately convert
as-builts to AutoCAD, translate and rotate
points into various coordinate systems
and be printed or emailed or for approvwww.trenchlessonline.com
tti_46-49.indd 47
al within minutes of pilot hole completion, minimizing contractor down time.
This speeds up payment prerequisites,
improving cash flow. The automated reporting feature can print the pilot hole’s
time stamped log, including tracked and
calculated surveys. This report documents all data entries and protects the
contractor with navigational information that can be recreated if needed.
Thanks to the dependability of the
earth’s polarity, for HDD, nothing is likely
to take the place of magnetic steering
tools and a properly set up surface coil.
This “original technology” is the core, the
foundation. Similar to welding, the original
technology of turning two pieces of steel
into one remains the advancement and an
experienced, well trained welder is still the
key, not a new type rod or new machine.
47
7/17/2013 11:39:07 AM
Technology isn’t always better and
isn’t always new. Our industry’s extraordinary growth has stretched the knowledge gap to the extreme. Sufficient fertilizer for the equivalent of late night TV
hucksters selling tummy flattening Flex
Belts or HD sunglasses. I am not saying
that no one ever lost inches with the
Flex Belt. What I am saying is the same
guy selling today’s dust mop slippers
was selling last year’s chia pets.With every short-cut something must be given
up. A little skepticism can prevent buyer’s remorse.
Time, by itself, can redefine technology. Throughout the early years, HDD
was the environmentalist’s favorite tool,
forcing its use on the pipeline industry.
The idea that a pipeline can be accurately installed below a river or wetland,
avoiding the standard open-cut method
was an environmental home run. For
the environmental movement, HDD
and surface tracking was a Godsend. A
couple of decade later, something as
innocuous as temporarily stretching a
1/8-in. wire across a mosquito infested
The newest HDD software incorporates a number of advantages that save
contractors a fortune each and every year — software such as this that
allows them to monitor multiple projects simultaneously.
swamp cannot be permitted. Forget
that it is a safety issue, used to verify
the precise location of a gas line, and
that once removed, leaves zero environ-
mental footprint, “no tracking wire permitted in the swamp.” The exact same
technology, the century’s most effective
environmental tool, is now the enemy.
Horizontal
Directional Drilling
Good Practices Guidelines —
2008 3rd Edition
Horizontal
Directional
Drilling
The latest version covers everything in the
Good Practices Guidelines — 2008 3rd Edition
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The latest design
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theupdated
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* Introduction and
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* Design
* I ntroduction
* Bore
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* HDD Applications
and
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* Jobsite
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* HDD Applications
* Equipment and
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and Processes
* Troubleshooting
* Design
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Price:
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TRENCHLESS TECHNOLOGY
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7/17/2013 11:39:17 AM
Some technology can get ahead of
what’s wanted by the general workforce.
Rig manufacturers tell me they have
the ability to record rig activity (similar
to the black box installed on aircraft).
Imagine the depth of automated reports
and records that could benefit scheduling, operations and bidding. But even
the mention of this capability can scare
off potential buyers. I don’t doubt their
claim. Horizontal Technology’s DataTraX
software can automatically email real
time down-hole survey information directly to any email address. Similarly, the
use of this technology is often declined.
Technology must efficient to be
beneficial. It can be regressive if used
improperly. GPS land survey instruments are an example. Their accuracy
fluctuates depending on the number
and movement of satellites, overhead
obstructions as well as weather conditions. If you are drilling between two
live gas lines or are operating with limited right-of-way that could be paralleled
in the future, a technology offering less
accuracy shouldn’t be acceptable. GPS
tti_46-49.indd 49
is new technology but more expensive,
won’t always get the job done and is
less accurate for HDD applications.
From a couple hundred to hundreds
of thousands, the HDD industry grew
so quickly many don’t understand their
technology is already better than what
they wish for. Each new HDD “expert”
spends time trying to eliminate our first
big advancement, a direct wire communication to the steering tool. They rightfully point out that oilfield navigators
use wireless tools. This comparison is as
groundless as new breed environmentalists comparing our water and bentonite
with the oil industry’s carbon contaminated drilling muds. First of all, the oilfield guys would love to have a wire with
direct communication to their drill bit.
For them, it isn’t feasible. We don’t need
blow-out preventers, they do. Their drilling mud is used to prevent blowouts and
control well pressures and thousands of
feet of wire in the drill pipe would create problems. They communicate via
an intricate mud pulse system and half
the time our horizontal hole isn’t even
filled with mud. Their system fails far
more often than our wire system and is
extremely expensive in both equipment
and time. HDD wireless tools exist and
occasionally they make sense. I suspect,
they will be in demand at the same time
an excess profits tax is imposed on HDD
contractors.
The future of this industry depends
on experienced contractors using
proven techniques. Profits must come
from quality work, not from shortcuts.
Navigational technology has solidified
HDD as a viable construction method
but HDD requires overall experience,
skill and technique. The best navigational system available is only as good
as the operating technician. When a
navigator is working for a quality contractor, has the best equipment, software and 24/7 support from an experienced management team, the entire
HDD industry benefits.
John English is founder and president of Horizontal Technology,
which is headquartered in Houston.
49
7/17/2013 11:39:20 AM
American Augers
The next midsize horizontal directional drill from American Augers debuted at bauma 2013. The DD-155T features: a low noise design with advanced
Quiet Pak technology, an incredible
30,000 ft lbs of torque and unique drilling angles from 12 to 22 degrees. These
and other multi-functional job-easing
options will make this the most versatile
machine in your arsenal. Also unveiled
was the new Mid-size Exit-Side Wrench
ESW-M. This patent-pending device of-
fers up to 60,000 ft lbs (81,350 Nm)
of break-out torque, up to 45,000 ft lbs
(61,000 Nm) of make-up torque, 2,000
ft lbs (2,700 Nm) of torque on 60 rpm
spinner, and remote control.The ESW-M
is to be used with an excavator; easily
pick up pipe or tooling from a stack. In
addition to the usual American Augers
quality and innovation, the new midsize
boasts the industry-leading American
Augers support by a dedicated parts
and technical service department with
the best warranty in the market.
Armadrillco
Armadrillco believes in providing
drillers with less stress and the ability for more profit. Armadrillco offers a
line of downhole tools that have been
designed and proven by drillers since
2005. Its designer has been actually
drilling for more than three decades; he
not only designed these tools but also
owns and runs Southwest Horizontal
Drilling in Fort Worth, Texas. The transmitter housings have a sealed transmit50
tti_50-56.indd 50
PRODUCTS
ter cavity that keeps out dirt and debris.
The door is also secured by vibration resistant locking pin that is easy to install
and easy to remove but will not come
out during a bore.The bits are designed
to be easy and quick to change but the
will not come off while drilling. Choose
from three different styles: Bullet Tooth,
Flat Shoe or a Roller Cone bit. All three
styles are interchangeable and fit on the
same transmitter housing.
Atlas Copco Secoroc
Atlas Copco Secoroc offers horizontal directional drilling products to drill
in hard rock and difficult conditions.
The HDD equipment range includes
Direct Shot Pilot Bits in all sizes and
types, and “bit third” Hole Openers incorporating a common, random bit
third. Atlas Copco Secoroc engineers
combined hard rock cutting structures,
shirt tail wear protection and leading
edge bearing and seal package technology to create a pilot bit specifically de-
signed for the HDD market. The result
was the HDD Pilot Bit, which will drill
fast, accurate holes and stay in the hole
longer, resulting in lower total drilling
cost. There are 29 Direct Shot Pilot Bits
available in 11 different diameters ranging from 4 ¾ to 12 ¼ in. Atlas Copco
Secoroc Hole Openers are the first bit
third-type reamers designed specifically
for the HDD industry by a rotary rock
bit manufacturer. These Hole Openers uses random cutting structure bit
thirds, precisely positioned to assure
equal load distribution, maximizing cutter count for hard rock applications.
Atlas Copco Secoroc Hole Openers are
available in diameters from 10 to 60 in.
The seven available bit thirds range in
size from 6 ¾ to 17 ½ in.
CETCO Drilling Products
Looking for a clay inhibitor that will
reduce torque and nearly eliminate the
amount of clay cuttings from sticking
to your drill? CLAY CUTTER is the an-
swer. CETCO Drilling Products has developed a concentrated, non-hazardous,
proprietary clay inhibitor that can be
used with either polymer or bentonite
drilling fluid systems. CLAY CUTTER
is readily dispersible and increases returns back to the surface. CETCO’s diverse line of polymers and additives
are able to handle any complex drilling
conditions and consistently deliver the
highest performance.
CLEAR-BORE
CLEAR-BORE is a 100 percent biodegradable, one-bag mix drilling fluid,
that is now being manufactured in the
United States. Developed in Ireland by
the University of Ireland for Drilling
Supplies of Ireland LLC, Clear-Bore has
proven itself all over the world for more
than a decade, company officials say.According to CLEAR-Bore, the drilling fluid: its product works in any and all soil
conditions, without any other additives
— even in salt water and phosphorus
mines; takes only 22 lbs of CLEAR-Bore
to make 1,000 gals of drilling fluid at a
60 viscosity; can be used as an additive
with bentonite and recycles over and
over; will naturally biodegrade in four
to six weeks
and can cut
disposal cost
of mud clean
up by up to
80 percent;
can cut restoration costs
in environmentally sensitive areas by
up to 100 percent; and can make remidity wells in contaminated soil up to 80
percent more efficient.
Condux International
Condux International offers the
complete line of Triple D HDD and
compaction boring tools and equipment. Products available through
Condux include reamers, paddle bits
and sonde housings for HDD applications and a wide range of compaction
boring tools. Triple D is a leader in
the manufacturing of high-quality underground construction equipment.
7/17/2013 11:43:48 AM
ing, and storing data. While drilling, the
F5 system allows you to view (scroll
through) all data logged by the F5 receiver allowing for better decisions during the pilot bore.
operator to steer the patented TriHawk
drill bit more easily; an exclusive double-pivot drill frame allows steep entry
angles without raising the tracks off the
Derrick Equipment Co.
Condux International has been manufacturing cable installation tools and
equipment for more than 30 years.
Working directly with the electrical
contracting, electrical utility, telecom
and CATV industries, Condux offers
the highest quality tools, engineered
to reduce installation time and increase safety.
Derrick Equipment Co.’s Hyperpool
four-panel shale shaker is designed
for the demands of civil construction
and oilfield drilling operations. Fluid
centering technology maximizes fluid
throughput by the machine’s concave
screen bed design which produces posi-
ground; and a heavy-duty anchor system
enables the operator to push or pull
with full machine thrust and maintain
stability, resulting in a more productive
and efficient bore.
Digital Control Inc.
The DigiTrak F5 Directional Drilling
Locating System represents the HDD
industry standard. It incorporates DCI’s
patented 3D antenna technology, targetin-the-box locating and intuitive picture-
driven menus with easy-to-use graphics.
The versatile F5 system includes five
unique frequency options providing
the capability to overcome interference
problems. Dual-frequency transmitters
that allow switching from one frequency
to another while the transmitter is in the
ground represent a valuable time-saving
feature. The Fluid Pressure Transmitter
adds real time drilling fluid pressure data
to its standard features. A prominent feature of the F5 system is data logging with
the DigiTrak LWD (Log-While-Drilling)
System. Built-in Bluetooth technology
transfers the data from the F5 receiver
to a PC, where a variety of options are
available for analyzing, displaying, printwww.trenchlessonline.com
tti_50-56.indd 51
HDD Broker
tive and uniform screen-to-deck sealing.
The Hyperpool offers up to 50 percent
more capacity over conventional shakers. The Hyperpool’s single side screen
compression system reduces screen replacement time to less than 45 seconds
per panel, permitting complete screen
changes in less than three minutes. The
innovative screen compression system
increases screen life, improves conveyance and prevents solids from passing
under the screen panels.The Hyperpool
is powered by two Derrick Super G vibratory motors, which apply more than
8 Gs to the screen frame.
HDD Broker is proud to announce the
re-introduction of its exclusive “Book of
Iron,” a comprehensive catalog of hundreds of pieces of used utility installation
equipment that is mailed to HDD Broker
customers and anyone who signs up to
receive a free copy. In addition, each issue features multiple industry related
articles pertaining to the used market-
Ditch Witch
Incorporating extensive customer
feedback from years of experience in
all types of job conditions, the Ditch
Witch JT30 All Terrain drill features a
160-gross-hp (119-kW), Tier 4i engine
— the most powerful in its class and
the quietest (maximum 85-dBA operator sound pressure). With full power
available to all machine functions, the
JT30 All Terrain is able to operate with
greater efficiency than any competing
directional drill. Exclusive features include “assisted makeup and breakout,”
allowing the machine to automatically
adjust the carriage thrust speed when
making up and breaking out drill pipe.
An intuitive carve mode enables the
place and helpful hints to help buy or
sell equipment. Check out the most current edition and sign up to receive your
copy at www.bookofiron.com. For a list
of the most current used equipment listings, be sure to check out HDD Broker’s
website at www.hddbroker.com.
51
7/17/2013 11:43:53 AM
Hunting Trenchless
Hunting Trenchless introduces its
Roadmaps Conversion Guide for making the switch to Hunting easier. Not
only is all Hunting drill pipe specifically
designed and precision manufactured
to match the OEM specs of your drill,
but Hunting pipe can make it work
harder than it ever has. Hunting has the
roadmaps to make conversions easy
and the full line of saver subs, drive
chucks, starter rods, and quick connects
to make your switch seamless.
INROCK
INROCK’s new patent-pending XTR-S
Extreme Reamer featuring a revolutionary, proprietary, field interchangeable
cutter design allowing drillers to easily
change cutters, both tungsten carbide
insert (TCI) and milled tooth (MT) on
jobsite, in minutes, without any welding,
XTR-S cutters (TCI &MT) manufactured
by INROCK. XTR-S removes all costs associated with old, welded design split
bit reamers, such as freight to a weld
repair facility, weld repair time and cost
or new body costs with each split bit
reamer purchase and the need to actually have two reamers of the same type
to avoid costly downtime.
KEMTRON Technologies
KEMTRON Technologies is the industry leader for packaged mud recycling
systems. The new Tango 1500T Package
Mud Reclamation System defines the
standard in performance and innova52
tti_50-56.indd 52
PRODUCTS
tion. With a 9,000-gal tank capacity, KEMTRON is able to provide a hydraulic
balanced mud system that operates at
1,500 gpm. To achieve 1,500 gpm, the
hydrocyclone packages includes three
10-in. desanders and 18 5-in. desilters.
Providing the same cone isolation flexibility, as found in its Tango 500 units,
customers have the capability to use
the Tango 1500 under three different
flow rates: 500 gpm, 1,000 gpm and
1,500 gpm. With the larger tank capacity and less pipe congestion, KEMTRON
has added top-mounted hydrofoil agitators. Coupled with a series of mud guns,
the Tango 1500 will have the highest
mixing power per gallon found in the
industry. Additionally, the hopper has
been lowered to the ground level for
easy chemical injection.
McLaughlin Mfg.
McLaughlin vacuums combine highpressure water and compressed air
in one unit to meet the needs of varying soil conditions and contractor applications. A power pack added to the
McLaughlin 500-, 800-, and 1,200-gal
units make the air/water combination
possible. Powered by a 99-hp turbocharged Kubota diesel engine, the 185
cfm rotary compressor and a 3,000 psi
water system provide productive, efficient and safe soil removal. Water pres-
able micro-poly filter and eliminates
bag houses. Contractors can order the
power pack with a combination of hydraulic booms, sewer jetters and other
options through the worldwide Vermeer dealer network.
M-I SWACO
M-I SWACO offers a complete suite
of fully supported drilling fluids and
solids control products and services to
the drilling industry. Its HDD, Mining &
Waterwell group offers products a comprehensive line of drilling fluids additives to address any drilling condition.
This is fully backed by onsite engineering support if required. MAX GEL high
yield bentonite offers excellent suspension and hole stability while MAX BORE
HDD is a one sack boring fluid specially
designed for most any boring applica-
tion.Their performance is supplemented with our inhibitive polymer POLYPLUS, as well as our readily dispersible
filtration control polymer PLATINUM
PAC. M-I SWACO’s Environmental Solutions group offers a complete line
of solids processing equipment to
insure optimum fluid properties are
maintained. The new high-efficiency
MEERKAT PT dual-motion shaker performs at unparalleled levels and can
be adjusted ‘on the fly’ for peak performance. Desanders, desilters, mud
cleaners and centrifuges, along with a
complete line of replacement screens,
are also available.
Radius HDD
sure is reduced to 1,500 psi using either
a four-jet reduction tool or a “wobble”
nozzle digging tool. McLaughlin also
uses an industry-exclusive three-stage
filtration system that features a wash-
Rock drilling is hard. Rock reaming
can be an even bigger challenge. As
part of itsr rock tooling line, Radius
offers hole-openers for just such challenges. Along with a large selection of
hole-openers in stock, Radius also offers custom built reamers for even the
most difficult conditions. Radius holeopeners feature oversized steel plates
and shafts, as well as, re-enforced frame
7/17/2013 11:44:02 AM
Vermeer
construction to transfer the maximum
amount rig torque to the cutting face
for greater performance and durability. All Hole Openers are available with
new TCI or mill tooth cutters. Premium
re-run cones are also available as a more
economical option. Radius continues
to offer complete repair and rebuild
services for all types of reamers and
hole-openers. Contractors world-wide
depend on Radius hole openers and
reamers to cut the “tuff stuff.”
Railhead
Underground Products
This puller quickly attaches to the Railhead
Incredibit rock bit
for the direct
pullback applications
required by
the FTTP
projects.
No
cut
away slots
in the bit.
No bolts or
mechanical fasteners to worry about. In fact, this puller
will fit the Railhead Incredibit you already own. No need to buy a new bit.
Simply remove the center tooth, install
the puller, hook up and go.
RIDGID
Powered by OmniSeek technology, the RIDGID SeekTech SR-20
utility line locator uses a combination of multi-directional antennas, a
revolutionary mapping display and
state-of-the-art processing to provide
users with more information to effectively and easily locate underground
utilities. Specifically, the locator’s
high-resolution monitor, equipped
with an automatic backlight function for low-light situations, displays
line depth, current and field angle
in real time to virtually guide users
down the line. The unit also offers a
volume-adjustable audible function
tti_50-56.indd 53
to let users know if they’re on target.
And, in addition to tracing transmitted
frequencies, the SeekTech SR-20 offers advanced modes that allow users
to search for other metallic lines that
might be present. By using a combination of these different locate readings,
users can quickly and easily confirm a
good signal and locate or realize that
there is distortion due to signal coupling in congested areas.
Vermeer Corp. has introduced
the D60x90 Navigator horizontal directional drill (HDD), providing impressive power in a small footprint.
The D60x90 is powered by a 185-hp
John Deere Tier 4i (Stage IIIB) diesel engine, which delivers 9000 ft-lb
of rotational torque and 60,000 lbs
of thrust/pullback. Combined with
a compact design and modest footprint, the power of the D60x90 rivals
some physically larger drills. Contractors can customize the D60x90 with
features to fit their specific needs. A
climate-controlled cab enhances operator comfort and offers protection
from the weather. The optional frontmounted stakedown system can reduce the amount of time and materials
needed to set up the drill, enhancing
jobsite efficiency. In addition, custom-
Underground Tools Inc.
Underground Tools Inc. has announced the introduction of its new
lineup of Heavy-Duty Maxi Rig Sonde
Housings. Manufactured from a single
bar of heat treated Nickel Steel Alloy,
which offers superior impact and abrasion resistance, these housings offer
more strength and versatility than anything on the market today. They are
designed to work with slant-face steering heads, roller cone bits, mud motors
and even hammers. These high flow
housings have epoxy filled slots and
are capable of delivering the fluids required by the maxi rigs while keeping
the electronics cools. Designed with
the professional contractor’s preference in mind, these housings are available with end-load or side-load transmitter access configurations. Along
with being wire line capable and with
sizes ranging from 4 ¼- to 7-in. diameters UTI has a heavy-duty housing for
every application.
ers can choose from two diameters
of 15-ft Firestick drill rod: 2.875-in. or
3.5-in. diameter. The D60x90 is available with additional, quick-change rod
boxes containing up to 300 ft of drill
rod each. The new rod box design is
removable by releasing two pins and a
single latch, the quick-change rod box
reduces the need to manually load
drill rod.
53
7/17/2013 11:44:12 AM
w
BUSINESS CARDS
Want your
ad here?
Contact DAN SISKO
@ 330-315-2057
54
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2013 HDD Supplement - Trenchless Technology Magazine

Transcription

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