DSA Assembly - Isolation Equipment Services Inc.

IES DSA SYSTEM
(Dognut Sub Adapter)
FOR 4-1/2" CASING OR TUBING
AND 3-1/2", 2-7/8" and 2 3/8" TUBING
DESCRIPTION:
D.S.A. SYSTEM UPGRADES THE
PRODUCTION TUBING HEAD TO
SURFACE FRAC TREATMENT PRESSURE
FEATURES
DETAILS
UPGRADES EXISTING
A sealed high pressure sub
WELLHEAD TO 10K (69MPA)
is connected to the
OR 15K (104 MPA) WP
dognut
High pressure seals are
tested to comfirm
MULTI SEAL CONNECTION pressure
their integrity prior to the
frac job
Vent valve prefered to be
to the annulus
UNIQUE VENTING SYSTEM connected
casing valve or vented to
the atmosphere
pressure provides
ANNULUS PRESSURE BACK Annulus
back
up
support for the
UP
high pressure sub
DOGNUT SEALS BECOME
DORMANT
Dognut seal leak will not
jeopardize the job
Sub exhibits a full bore to
FULL BORE FOR BACK
accommodate
downhole
PRESSURE PLUG PASSAGE
passage
UNIVERSAL TUBING
HANGER SIZES
7 1/16" 2K, 3K, 5K and 10K
UNIVERSAL FRAC HEAD
CONNECTIONS
4 1/16" 10K, 15K
3 1/16" 10K, 15K
PROPERTY OF ISOLATION EQUIPMENT SERVICES
©2013 ISOLATION EQUIPENT SERVICES
API TEST
CONNECTION
IES DSA SYSTEM
(Dognut Sub Adapter)
1
FOR 4-1/2" CASING OR TUBING
AND 3-1/2", 2-7/8" AND 2 3/8" TUBING
2
3
4
ITEM NO.
DESCRIPTION
1
3" 1502 WH
2
3" 1502 LIFTING LUG
3
4 1/16" 10K FLANGE 3" 1502 WECO
4
4 1/16" 10K MANUAL GATE VALVE
5
4 1/16" 10K X 7 1/16" 5K DSA BONNET
6
2" 1502 PLUG VALVE
7
4 1/2" LTC HI PRESSURE SUB
QTY.
1
1
1
1
1
1
1
5
7
DOGNUT (TUBING HANGER)
TUBING HEAD
WELL HEAD
PROPERTY OF ISOLATION EQUIPMENT SERVICES
©2013 ISOLATION EQUIPMENT SERVICES
6
IES DSA SYSTEM
(Dognut Sub Adapter)
FOR 4-1/2" CASING OR TUBING
AND 3-1/2", 2-7/8" AND 2 3/8" TUBING
DSA BLOCK
HI PRESSURE
SUB
FULL BORE
PASSAGE
SHOWING 1X2 VENT
VALVE CONNECTED
TO CASING ANNULUS
QUAD SEAL
SUB BACKED UP WITH
CASING ANNULUS PRESSURE
7 1/16" 5K/3K TUBING HEAD
ADAPTER (2K OPTIONAL)
ANNULUS PRESSURE
RELIEF VALVE
PINS
ANNULUS PUMPER
CONNECTION
PRESSURE
EQUALIZING LINE
DOGNUT
(TUBNG HANGER)
BACK PRESSURE
PLUG THREADS
WELL CASING
PROPERTY OF ISOLATION EQUIPMENT SERVICES
© 2013 ISOLATION EQUIPMENT SERVICES
FRAC PIPE
IES DSA SYSTEM
(Dognut Sub Adapter)
FOR 4-1/2" CASING OR TUBING
AND 3-1/2", 2-7/8" AND 2 3/8" TUBING
DSA BLOCK
HI PRESSURE
SUB
FULL BORE
PASSAGE
SHOWING 1X2 VENT
VALVE VENTING TO
ATMOSPHERE
QUAD SEAL
7 1/16" 5K/3K TUBING HEAD
ADAPTER (2K OPTIONAL)
ANNULUS PRESSURE
RELIEF VALVE
PINS
DOGNUT
(TUBING HANGER)
BACK PRESSURE
PLUG THREADS
WELL CASING
PROPERTY OF ISOLATION EQUIPMENT SERVICES
© 2013 ISOLATION EQUIPMENT SERVICES
FRAC PIPE