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GSB Series Casing Heads and Spools

Type GSB casing heads and spools are designed for medium to deep hole applications. They are available for all pressure ranges and provide a straight bore configuration, which permits support for fully loaded casing hangers on an internal 45-degree shoulder below the straight bore. All GSB series heads and spools are prepared to accept type GMS manual or type GAS automatic casing hangers and GLS stack-on type primary seal assemblies. Line pipe thread, studded or extended flanged side outlets are typically furnished on this series of casing housings, however, other outlet preparation is available on a special order basis. Type GSB casing spools are usually prepared to accept type FF bit pilots and type GLS stack-on type secondary seal assemblies. Other forms of secondary seal preparation, such as plastic injection energized secondary assemblies, are available to suit customer’s operating preferences. Lower flanges of type GSB casing spools are supplied with a test port, complete with internal ball check valve, and bleed port to facilitate testing of the primary and secondary seals. Ancillary wear bushings, bore protectors and test plugs are available for this line of housings. Superior design and the highest quality construction for lasting dependability are the criteria for creation of this premium line of casing suspension housings. Many sizes and pressure ratings other than those posted below, including crossovers in the case of spools, are available.

Item

Type

Upper Connection

Lower Connection

Outlet Orientation

Head

GSB

11" API 2000

9-5/8" SOW

2" LPSO

Head

GSB

11" API 2000

10-3/4" SOW

2" LPSO

Head

GSB

11" API 3000

9-5/8" SOW

2" LPSO

Head

GSB

11" API 3000

10-3/4" SOW

2" LPSO

Head

GSB

11" API 5000

9-5/8" SOW

2" LPSO

Head

GSB

11" API 5000

10-3/4" SOW

2" LPSO

Head

GSB

13-5/8" API 3000

13-3/8" SOW

2" LPSO

Head

GSB

13-5/8" API 5000

13-3/8" SOW

2-1/16" SSO

Spool

GSB

11" API 2000

13-5/8" API 2000

2-1/16" SSO

Spool

GSB

11" API 3000

13-5/8" API 3000

2-1/16" SSO

Spool

GSB

11" API 5000

13-5/8" API 5000

2-1/16" SSO

Spool

GSB

11" API 10000

13-5/8" API 5000

2-1/16" SSO

Spool

GSB

13-5/8" API 5000

16-3/4" API 3000

2-1/16" SSO

Spool

GSB

13-5/8" API 5000

16-3/4" API 5000

2-1/16" SSO

Spool

GSB

16-3/4" API 5000

20-3/4" API 3000

2-1/16" SSO

Spool

GSB

20-3/4" API 3000

21-1/4" API 2000

2-1/16" SSO