Fmc Casing Hanger

(1)

Cameron MBS Multi-Bowl

Wellhead System

(2)

I I I I I II I I I I I I I I I I I I I I I I I

Emergency

IC-1 Casing Hanger and

MBS Pack-off Support Bushing

Standard

MBS Casing Hanger and MBS Pack-off Support Bushing

SD016672

M B S M u l t i - B o w l W e l l h e a d S y s t e m

Tubing Head Adapter Tubing Hanger Upper Casing Spool Pack-off Bushing Casing Hanger Lower Casing Head

Emergency Slip and Seal Assembly

(3)

T

he Cameron MBS Multi-Bowl Wellhead System is a compact, unitized wellhead which can be used as an alternative to conventional wellhead systems in onshore and platform applications. The MBS Wellhead offers the following advantages over conventional systems:

• The lower and upper casing heads are installed as a

single unit, saving installation time.

• The casing and tubing can be installed, landed and

sealed through the BOP stack, increasing safety and saving rig time normally required to remove and reinstall the BOP stack during conventional wellhead installations.

• Uses many conventional wellhead components and

practices.

Components of the MBS Wellhead System are based on field-proven technology and offer a range of features including:

Lower Casing Head

• The lower casing head incorporates a slip-on weld

bottom connection with a single O-ring to seal between the casing stub and the casing head inside diameter.

• The lower casing head is available with line pipe

threaded, flanged or studded outlets.

• The casing head incorporates a straight-bore design

with a 45° load shoulder for casing hanger support. This design minimizes hoop load on the housing, provides a high hanging capacity and reduces the risk of bowl damage due to drill stem rotation.

Upper Casing Spool

• The upper casing spool is a straight-bore design.

• The casing spool includes two sets of type N lockscrews

to lockdown wellhead components. These lockscrews are designed with the packing in front of the threads to prevent contamination of the threads by wellbore fluid.

• The spool is available with studded outlets.

Casing Hanger

• The MBS Wellhead casing hanger is a high-capacity,

mandrel-type hanger which is rated to the full joint strength of the suspended casing.

• The hanger is designed with integral flutes which allow

cement returns to pass up through the BOP stack.

Pack-off Bushing

• The MBS Wellhead pack-off bushing lands on the casing

hanger to suspend and seal the intermediate casing string(s).

• The inner seal on the bushing is a D seal which is

ener-gized by plastic packing. This seal can be reenerener-gized, if necessary, throughout the life of the well. The outer seal is radially energized.

Tubing Hangers

• The MBS Wellhead tubing hanger lands on the pack-off

bushing and is locked in place with N lockdown screws.

• Several alternative tubing hangers are available

includ-ing the couplinclud-ing (HT, HT-2), tubinclud-ingless (TLC), mandrel (CXS, T), and dual (MB-CDT and MB-TLC). Control line options are available for most applications. A com-parison of these tubing hangers is available on the MBS Tubing Hanger Comparison chart.

Tubing Head Adapter

• The MBS tubing head adapter provides the connection

point for the Christmas Tree. It is available in several types to fit individual applications.

Emergency Slip and Seal Assemblies

• In the event that casing becomes stuck and slips must be

set, the upper casing spool may be lifted to install a slip-type hanger, cut off the casing and install the emergency pack-off bushing assembly. This feature eliminates the expensive, time consuming process of cutting pipe inside the head with internal casing cutters.

Auxiliary Equipment

• The MBS Wellhead System has a complement of

installa-tion tools including BOP test plugs, wear bushings and handling tools.

(4)

MBS Pack-off Support Bushing MBS Fluted Casing Hanger MBS Dual Pack-off Support Bushing MBS Emergency Pack-off Support Bushing

IC-1 Emergency Casing Hanger

MBS Dual Emergency Pack-off Support Bushing

I I I I I I

I I I I I I I I I I I I

I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I

Emergency Casing Hanger and Pack-off Bushing

MBS Multi-Bowl Wellhead MBS Multi-Bowl Wellhead with Trulok™Bottom

SD016670 SD016670

SD016671

M B S C o m p o n e n t O p t i o n s

Standard Casing Hanger and Pack-off Bushing

(5)

MBS Tubing Hanger Comparison

HT Completion

MB-CDT Dual Completion T Completion MB-TLC Dual Completion

HT-2 Completion TLC Completion CXS Completion

Name Single/Dual Type Body Seal Neck Seal Control Line

HT Single Coupling Elastomer Elastomer None

HT-2 Single Rotatable Coupling Elastomer Elastomer None

TLC Single Mandrel Elastomer Metal None

CXS Single Mandrel Elastomer Elastomer Optional, Non-Continuous

T Single Mandrel Elastomer Metal Optional, Continuous

MB-TLC Dual Split Elastomer Elastomer None

MB-CDT Dual Split Elastomer Metal Optional, Continuous

SD016669

M B S T u b i n g H a n g e r O p t i o n s

(6)

Western Hemisphere Cameron PO Box 1212 Houston Texas 77251-1212 Tel 713 939 2211 Fax 713 939 2620 http://www.camerondiv.com Eastern Hemisphere

Cooper Cameron (U.K.) Ltd. 5 Mondial Way

Harlington Hayes, UB3 5AR England

Tel 011 44 181 990 1800 Fax 011 44 181 990 1888 http://www.camerondiv.com Asia Pacific/Middle East

Cooper Cameron (Singapore) Pte. Ltd. No. 2 Gul Circle, Jurong Industrial Est Locked Bag Service No. 3

Jurong Town Post Office Singapore 2262

Republic Of Singapore Tel 65 8613355 Fax 65 8616197