Wellhead Systems - Claxton Engineering

Transcription

Great Yarmouth - Main Base
Claxton
Bureside House
North River Road
Great Yarmouth
Norfolk, NR30 1TA
UK
T: +44 (0) 1493 744500
E: [email protected]
Aberdeen
Claxton
Tern Place House, Tern Place
Bridge of Don
Aberdeen
Scotland
AB23 8JX
T: +44 (0) 1224 452371
Dubai
Claxton
PO Box 262490
Jebel Ali Free Zone
Gate 5, South Side
FZS1 ALO5
Dubai
T: +971 4 8863540
www.claxtonengineering.com
“Being independent
from the major Wellhead
manufactures enables
Claxton to respond
quickly to the needs
of our customers.”
When Claxton was founded in 1985, we had a
Contents
single product line to offer customers – Wellhead
Foreword
01
About Claxton
02
famous for responding quickly to the needs of customers.
Wellhead Systems
04
From this foundation of installing and maintaining Wellheads
Why choose our Wellheads?
06
Conventional Spool
Wellheads
08
Full Bore Drill-Through
Wellheads
10
Slim Hole Drill-Through
Wellheads
12
relationships that span two and a half decades and many
Wellhead Services
14
hundreds of projects is still going strong today.
Wellhead Maintenance
16
It’s with great pride that I present our current Wellhead
Installation and Tooling
18
Services range – a range which includes our proprietary
WAVE
19
Hot Tapping and Valve Boring
20
dramatically extend the operating life of your existing equipment.
Cold Cutting
21
As always, we look forward to hearing from you soon.
Case Studies
22
Wellhead Replacement
22
Laura Claxton
Claxton Wellheads meet
challenging delivery schedule
24
Managing Director
Other Services
25
Services. We used our experience of Wellheads
to offer a fast, personal service that made Claxton
we’ve grown to offer products that range across the entire
industry lifecycle from pre-drilling to decommissioning. These
products include everything from world-first 12,200psi drilling
riser systems to the Queen’s Award winning Suspended Well
Abandonment Tool.
However, the product range which enabled us to forge client
Wellheads (which are enhanced by our independence from the
major Wellhead suppliers) and Wellhead Maintenance that can
Warm regards,
01
About Claxton
Claxton, an Acteon company,
leads the way in engineering and
services for jack-up environments.
We combine experienced project
engineering and design teams
with a large rapid call-off inventory
to solve our clients’ operating
challenges with extraordinary pace.
An Acteon Company...
Acteon has an outstanding portfolio of complementary products and services for the subsea marketplace. The experience shared by Acteon companies
opens the opportunity for a fresh approach to subsea
operations and services.
To find out more about how Acteon companies can
work together to deliver a fresh approach to your
operating needs, visit www.acteon.com
Some names you might recognise:
25 Years of Service
Claxton has been working in the North Sea since 1985.
Since then we’ve grown from a family business to
become a flagship in the Acteon group – and worked
on projects from the first-ever rigless abandonment, to
world-beating 12,200psi riser technology.
02
03
Wellhead Systems
04
“Robust, high quality
Wellheads – built to
enhance your project.”
05
Why choose our Wellheads?
Any way you look at it, Claxton
Wellheads really stack up…
We’re agile
We’re flexible
All of our designs can be rapidly modified to your
casing configuration or material specification.
Unlike other manufacturers we won’t force you
toward a standard product if it’s not suitable for
your project.
We’re independent
Claxton is not tied to one manufacturer or system. We can therefore provide equipment for
applications or interfaces not covered by other
manufactures. Or, as is often the case, we can
build interfaces to connect between different
manufacturers equipment.
We’re faster
Our close links with fabricators mean we can
reduce your Wellhead lead time by weeks.
We have experience
Our team has worked with Wellheads for 25
years and will ensure you get the optimum
system for your application.
We’re responsive
Claxton has a long held reputation for responding
to the operating needs of our clients. We’ll be
there when you need us.
When you see
Claxton, quality
is assured
Claxton Wellheads are available to meet
the complete API 6A material specifications
in pressures from 3,000 to 20,000psi.
What’s more, our systems are backed by
Claxton’s robust quality management –
covering both design and manufacture.
Claxton has the ISO/NQA ‘triple crown’ of
ISO 9,001, 14,001 and QHSAS 18,001.
06
Learn more at: www.claxtonengineering.com Tel: +44 (0)1493 744500
07
Conventional Spool Wellheads
1
2
3
4
5
6
Offers a conventional, highly reliable
Wellhead assembly, without
compromising safety and flexibility.
Conventional Spool
Wellhead options
Conventional Spool
7
The Claxton Conventional Spool Wellhead
System is the result of over 25 years of working
intimately with Wellheads.
Design and manufacture meets with API 6A
standards and naturally systems can be
supplied to meet the complete material class,
temperature range and PSL level requirements.
3,000 PSI through to 20,000 PSI pressure
ratings are available.
Rig-time/commercial consideration
1
Tubing Bonnet
• Mandrel & fluted mandrel casing hanger
2
• Casing head with threaded bottom with
integral base plate
Control Line Non-Continuous
(Continuous available)
3
Corrosion Sleeve
4
Type ‘H’ BPV Profile
5
API 11" Tubing Head Housing
6
Tubing Hanger
7
‘S’ Type Seals
8
API 11" Casing Head Housing
9
Casing Hangar and Primary
Pack-Off ‘Annulus Seal’
• Casing head with slip-lock connector.
Flexibility
• Wide range of casing programs available
Product features
• Parallel bowl with a 45° load shoulder
which prevents wedge-locking of bowl
protectors and test plugs
• Pack-off bushings with double seal
isolation with rough casing
• Valve removal (VR) plug profile with metalmetal seal standard on all pressure rat-
8
ings.
10
9
• Both slip type casing hangers and mandrel
type casing hangers can be utilised
• Wide range of tubing programs available
• Single and dual tubing hangers available
• Insert tubing hangers available for smaller
work-over BOP’s
10 API 13.3⁄8" Casing Head Housing
• Single or dual control-line options
11 Casing Hangar and Primary
Pack-Off ‘Annulus Seal’
11
• Continuous control-line or seal-gallery
control-line options
12
12 API 20.3⁄4" Lower Housing
Slip-On-Weld (SOW)
11
• Tubing hangers available with feedthrough options for electric submersible
pump (ESP) penetrators
13 Support Base Plate
14 30" Conductor
• Tension set tubing hangers available.
15 20" Casing
16 13.3⁄8" Casing
17 9.5⁄8" Casing
18 7" Casing
13
20
19 Tubing
20
15
1
⁄4" Control Line
14
16
17
18
19
08
09
Full Bore Drill-Through Wellheads
1
2
A robust field proven assembly
that adds flexibility.
3
4
Wellhead options
5
10
standards. Systems can be supplied to meet
the complete API material class, temperature
range and PSL level requirements.
3,000 PSI through to 15,000 PSI pressure
ratings are available.
1 API 13.5⁄8" Tubing Bonnet
• Simple Wellhead system installation
• No removal of BOP/Diverter during drilling
through to completion
6
2 Control Line Non-Continuous
(Continuous Available)
7
• No in-field welding necessary if using
slip-lock connector or threaded type lower
housing design.
8
4 API 13.5⁄8" Housing Tubing Head
Product features
• Reduced number of BOP connections
• Through BOP/Diverter operations
• Minimal penetrations in Wellhead housings
Enhanced safety
5 Tubing Hanger
Flexibility
7 ‘S’ Type Seals
• Wellhead housings can be added or
removed if the casing program
requirements change
8 API 13.5⁄8" Housing
10
9 Casing Hanger
• Slip type casing hangers can be utilised
without the need for internal casing cutting
• Split multi-bowl design
• Single and dual tubing hangers available
• Valve removal (VR) plug profile with metalmetal seal standard on all pressure ratings.
6 Pack-Off Support Bushing
‘Annulus Seal’
9
9
• Wide range of casing programs available
• Parallel bore with 45° load shoulder
• Pack-off support bushings with double
seal isolation with rough casing & mandrel
hangers
3 Type ‘H’ BPV Profile
10 Pack-Off Support Bushing
‘Annulus Seal’
11
work-over BOP’s
11 API 13.3⁄8" Lower Housing
(Threaded Bottom)
12 Casing Hanger
12
12
13 Wash Ports
14 Conductor Landing Ring
15 Slip-Lock Connector
• Tubing hangers available with feed-through
options for electric submersible pump
(ESP) penetrators
13
14
16 20" Conductor
17 13.3⁄8" Casing
18 9.5⁄8" Casing
15
19 7" Casing
16
17
21
20 Tubing
18
21
19
1
⁄4" Control Line
20
11
Slim Hole Drill-Through Wellheads
12
Offers a straightforward, reliable
assembly – enhancing project
economics by reducing rig time.
Wellhead options
1
This system is the ideal Wellhead for smaller
diameter casing applications.
standards and systems can be supplied to
meet the complete material class, temperature
range and PSL level requirements, 3,000 PSI
through to 10,000 PSI pressure ratings
available.
2
• Simple Wellhead system installation
• No removal of BOP/Diverter during drilling
through to completion
1 API 11" Tubing Bonnet
3
2 Control Line Seal Gallery NonContinuous (Continuous Available)
4
5
• No in-field welding necessary if using
slip-lock connector or threaded type lower
housing design.
3 Type ‘H’ BPV Profile
4 API 11" Housing
5 Tubing Hanger
Enhanced safety
Flexibility
• Reduced number of BOP connections
• Comprehensive range of casing programs
available
• Through BOP/Diverter operations
• Minimal penetrations in Wellhead housings.
6 Pack-Off Bushing ‘Annulus Seal’
6
7 ‘S’ Type Seals
8 API 11" Lower Housing
(Threaded Bottom)
• Slip type casing hangers can be utilised
without the need for internal casing cutting
7
9 Casing Hanger
Features
• Parallel bore with 45° load shoulder
• Split multi-bowl design
• Pack-off bushings with double seal
isolation with rough casing & mandrel
hangers
• Valve removal (VR) plug profile with metalmetal seal standard on all pressure ratings.
work-over BOP’s
10 Wash Ports
8
11 13.3⁄8" Conductor
9
9
13 7" Casing
• Tubing hangers available with feed-through
options for electric submersible pump
(ESP) penetrators
12 9.5⁄8" Casing
14 Tubing
15
1
⁄4" Control Line
10
11
15
12
13
14
13
Wellhead Services
14
“High performance
tooling and experienced
personnel to support
your operating needs.”
15
16
“Compared to the cost of an emergency valve
body sealing job, a preventative maintenance
routine will quickly pay for itself”
Claxton provides cost-effective Wellhead
maintenance services – and because we're
independent of the major Wellhead
manufacturers, we have experience of all types
of Wellhead and Wellhead equipment.
Maintenance programmes are undertaken
either on an ad-hoc basis or under a long-term,
routine contract.
Long term maintenance
services include
• Pressure bleeding/monitoring
• Visual inspections
• Function testing of valves, chokes and
actuators
• Pressure testing of valves and interfaces
• Inflow testing
Fast response
Claxton can rapidly mobilise technicians to
repair stuck or faulty valves.
• Maintenance databases
• Non-destructive testing
• Lubrication.
Tailored tooling and service
We maintain a fleet of rapid call-off valve boring,
hot tapping, and cold cutting equipment to
facilitate Wellhead maintenance.
Retrofit parts
Our Wellhead design department can produce
retrofit parts for Wellhead configurations where
the manufacturer has ceased production.
These replacement parts can radically extend
the operating life of the equipment.
We've provided maintenance services to a
diverse mix of clients worldwide - All
maintenance activities are supported by
detailed procedures that reflect API
specifications, and risk assessments that take
account of recognised safety regulations.
Our team has been working with Wellheads for
25 years - a heritage which gives us working
knowledge of all major types of Wellhead
equipment.
Claxton valve saver
Claxton supplies a proprietary synthetic
lubricant with a proven record of freeing up
stuck valves and extending operating life.
Complete service
With trained technicians, 25 years of
experience, a Wellhead design unit that supplies full Wellhead systems and a bespoke Wellhead maintenance database (WAVE see page
19), Claxton is uniquely placed to provide a
complete Wellhead maintenance service.
Skilled personnel
Claxton can supply skilled on- and offshore
personnel to assist with your Wellhead maintenance
and installation – all our personnel are rigorously
trained and have significant industry experience.
17
Installation and Tooling
WAVE Management System
Claxton has been installing Wellheads for over a quarter
of a century – during this time we’ve developed tools and
processes to get the job done efficiently and safely.
WAVE is a powerful, unique solution for managing
the status, history and maintenance programs of
all your Well and Valve Equipment.
Running, testing and ancillary tools
• Valve removal tools
Claxton maintains a fleet of proprietary
Wellhead running, testing and ancillary tools –
all manufactured to the same exacting
standards as our Wellhead systems including:
• Lift flanges
The WAVE (Wellhead and Valve equipment)
management system is a bespoke Claxton
developed database designed to manage all
Wellhead and production valve maintenance
activities.
• BOP test plugs
• Wellhead test plugs
• Wearbushings
• Bore/wearbushing protectors
• Tubing hanger running tools
• Casing hanger running tools
• Packoff running tools
• Test/running combinations tools
• Polished rod lubricators (for installing
tubing hanger BPV’s and VR plugs)
• DSA's
• Spools & crossover spools
Wellhead installation
Claxton has over 25 years experience of
completing surface Wellhead installation
projects all over the world – using many
variations of equipment from all the major
manufacturers.
To ensure that your projects are completed
successfully and meet their environmental
mandate, we offer trained and fully competent
personnel who have both on- and offshore
experience.
In order to save time during installation
Claxton can provide multi-skilled engineers to
undertake cold cutting before each head
installation – an example of how Claxton can
leverage its range of skills and services to meet
operators needs efficiently.
WAVE has been built from the ground up to be
user-friendly and compliant with standard
Microsoft packages. As such, WAVE is easy to
operate, user friendly and can be operated via
an internet connection from site locations or
the office.
WAVE builds on the proven experience of
Claxton in developing unique solutions that
enhance client operations. WAVE uses a
combination of Microsoft packages as its
base – meaning ease of use and compatibility
with existing systems.
Like all software, WAVE benefits from a
hands-on demonstration – contact us to
arrange to see WAVE in action.
Clients can access WAVE for
• Compiling detailed equipment inventories
• Monitoring systems over time – trending
of well-specific data
• Planning
• Maintenance data storage
• Creation of well-specific workpacks
• Storage of platform and well-specific
data and images.
Test plug, combination
wearbushing running tool
assembly
18
19
Hot Tapping & Valve Boring
Cold Cutting
The Claxton Hot Tapping system is robust,
field-proven and backed by a business with
decades of oil and gas experience.
Claxton Cold Cutting equipment is widely
used in decommissioning, Wellhead
installation and in tieback operations.
Claxton designs, supplies and operates
systems for the provision of Hot Tapping into
valves on Wellheads, Christmas trees, check
valves and all types of tubulars for both surface
or subsea operations. We provide this service
for the global upstream oil and gas industry as
well as downstream petrochemical facilities –
working on pipelines, flare lines, valves etc.
Benefits of the Claxton Hot
Tapping system
• Full pressure containment to allow for
simultaneous operations
• Proven to cut from standard steel pipe,
through to super-hard materials like
honeycomb stellite
• Range of machines for applications up to
15,000 PSI
• Modular systems provide flexible project
applications
• Systems that enhance safety and
operational efficiency
Rapid mobilisation
Our fleet of Hot Tapping equipment, like
all of Claxton’s rental inventory, is
available for rapid mobilisation from sites
in both the Middle East and the UK.
• Hot tap size is limited only by the
pressure that may be present
• Equalisation-controlling orifice valve
reduces dynamic shock to the pressure
retaining components.
Flexibility is always a key requirement for
offshore applications and our cold cutting
systems can be adjusted on request to suit
numerous applications. Our machines are
air-driven, which makes them suitable for use
in hazardous environments. In addition, our
cold-cutting operations are classified as
cold-work: no hot-work permit is required.
Benefits
Onsite machining
• Lightweight, sectional design allows easy
installation and easy adjustment
Claxton can also provide a suite of tooling
compatible with its cold cutting machines to
enable on-site machining services including;
skimming of casings, flange facing and cutting
of API/ANSI ring type seal profiles.
• Increases safety & improves operational
efficiency
• Relies on a rugged, field-proven design
• Simultaneous cutting and bevelling.
System options
• Auto- and manual-feed systems
• Surface and subsea systems
• Pneumatic and hydraulic power options
About Hot Tapping
Hot Tapping allows work to be performed
on a live system without the need for
venting or shutting down operations.
Hot Tapping systems manufactured by
Claxton provide containment of the
pressure and a means to vent and
remove it. Additionally the Hot Tapping
process can be used to drain off
20
• Standard boring sizes from 0.5 - 48” with
larger sizes accommodated on request
• Variable drilling lengths
• Split-T hot tap fittings, split-T line stops
and weldolets supplied
• Crossover adaptors to interface with
in-situ equipment
• Supplied with transportation skids.
In addition, Claxton provides a rapid
design-and-build service for project – or
issue-specific applications.
21
Case Study
Wellhead Replacement - Middle East
The Problem
A client in the Middle East asked Claxton to
supply equipment and personnel to replace a
number of damaged Wellheads – including
casing cutting, preparation and installation of
the new Wellhead.
Claxton rapidly mobilized a fleet of equipment
to meet this requirement. Here’s how we
tackled the job:
22
The Solution
The Result
1. A Claxton Double Drilling
Unit was used to cut
through the outer casing,
allowing us to cut through
one string at a time.
4. The Cold Cutting
process was repeated to
provide the required
casing configuration.
2. Our Cold Cutting
equipment was used to
finish the cut and provide
the correct profile.
5. We supplied on-site
machining tools to provide
threads and machined
profiles to interface with
the new Wellheads.
3. Where the Wellhead
was still intact, A Claxton
Rapier Casing Bandsaw
was used to cut the
remaining casings and
remove the old Wellhead.
6. With the casing prepared,
Claxton was able to
install the new Wellheads –
completing the job.
Claxton completed the project – which involved
multiple casing configurations, working in
challenging desert environments – on schedule
and ‘under budget’. The client, a major national
oil company, commented on the quality and
speed of the work.
23
Case Study
Other Services
Claxton Wellheads beat
challenging delivery schedule
Claxton was recently contracted to supply five
complete Wellhead systems for a major gas
storage project in the United Kingdom – a
project that started out as a typical Wellhead
design and supply job... until faster than
expected progress meant the client was forced
to bring the delivery schedule forward by nearly
a month.
The project called for five Claxton Full Bore
Drill-Through Wellhead systems with mandrel
casing/tubing hangers and composite block
Xmas trees. In addition the systems were built to
withstand the potentially corrosive fluids they
were expected to encounter during their field
life.
Claxton was initially asked to work to an eight
week delivery schedule – a short lead time that
would already challenge many of the major
Wellhead suppliers.
However, we were able to really step up to the
plate when the client requested an even shorter
schedule – the new dates meant that the first
equipment would be supplied by Claxton just
four weeks from the initial order. With larger
suppliers, delivering to this kind of reduced
schedule would be difficult – perhaps even
impossible. However Claxton was able to meet
the revised dates and the client was able to
capitalise on this to improve the economics of
their project.
Claxton also supplied installation and testing
services for the Wellheads – and has
subsequently worked with the same operator
on a number of Wellhead supply jobs.
24
25
Great Yarmouth - Main Base
Claxton
Bureside House
North River Road
Great Yarmouth
Norfolk, NR30 1TA
UK
T: +44 (0) 1493 744500
Aberdeen
Claxton
Tern Place House, Tern Place
Bridge of Don
Aberdeen
Scotland
AB23 8JX
T: +44 (0) 1224 452371
Dubai
Claxton
PO Box 262490
Jebel Ali Free Zone
Gate 5, South Side
FZS1 ALO5
Dubai
T: +971 4 8863540
www.claxtonengineering.com

Wellhead Systems - Claxton Engineering

Transcription

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