GB2275952B - Subsea wellhead apparatus - Google Patents

Subsea wellhead apparatus

Info

Publication number: GB2275952B
Authority: GB; United Kingdom
Prior art keywords: subsea wellhead; wellhead apparatus; subsea; wellhead
Prior art date: 1990-04-27
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

GB9408768A

Other versions

GB2275952A (en

GB9408768D0 (en

Inventor

Bruce James Watkins

Blake Thomas Deberry

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Dril Quip Inc

Original Assignee

Dril Quip Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1990-04-27

Filing date

1990-11-14

Publication date

1994-11-30

1990-04-27 Priority claimed from US07/516,119 external-priority patent/US5143158A/en

1990-11-14 Application filed by Dril Quip Inc filed Critical Dril Quip Inc

1994-06-22 Publication of GB9408768D0 publication Critical patent/GB9408768D0/en

1994-09-14 Publication of GB2275952A publication Critical patent/GB2275952A/en

1994-11-30 Application granted granted Critical

1994-11-30 Publication of GB2275952B publication Critical patent/GB2275952B/en

2010-11-14 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
- E21B33/043—Casing heads; Suspending casings or tubings in well heads specially adapted for underwater well heads

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Sliding Valves (AREA)

GB9408768A 1990-04-27 1990-11-14 Subsea wellhead apparatus Expired - Fee Related GB2275952B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/516,119 US5143158A (en)	1990-04-27	1990-04-27	Subsea wellhead apparatus
GB9024768A GB2243383B (en)	1990-04-27	1990-11-14	Subsea wellhead apparatus

Publications (3)

Publication Number	Publication Date
GB9408768D0 GB9408768D0 (en)	1994-06-22
GB2275952A GB2275952A (en)	1994-09-14
GB2275952B true GB2275952B (en)	1994-11-30

Family

ID=26297955

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9408768A Expired - Fee Related GB2275952B (en)	1990-04-27	1990-11-14	Subsea wellhead apparatus

Country Status (1)

Country	Link
GB (1)	GB2275952B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SG52153A1 (en) *	1994-07-11	1998-09-28	Dril Quip Inc	Subsea wellhead apparatus
GB2342668B (en) *	1999-02-11	2000-10-11	Fmc Corp	Large bore subsea christmas tree and tubing hanger system
US7407011B2 (en) *	2004-09-27	2008-08-05	Vetco Gray Inc.	Tubing annulus plug valve

1990
- 1990-11-14 GB GB9408768A patent/GB2275952B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB2275952A (en)	1994-09-14
GB9408768D0 (en)	1994-06-22

Similar Documents

Publication	Publication Date	Title
GB2243383B (en)	1994-10-26	Subsea wellhead apparatus
GB2234794B (en)	1993-08-04	Subsea wellhead connectors
GB9513514D0 (en)	1995-09-06	Subsea wellhead apparatus
EP0457563A3 (en)	1992-09-30	Slant rig cementing apparatus
GB2233364B (en)	1993-02-17	Wellhead equipment
GB2290098B (en)	1996-09-04	Subsea wellhead connections
GB9321695D0 (en)	1993-12-15	Downhole apparatus
GB2243385B (en)	1994-09-14	Subsea wellhead stabilization
GB8826351D0 (en)	1988-12-14	Subsea wellhead equipment
GB2252115B (en)	1995-01-04	Wellhead apparatus
GB8716593D0 (en)	1987-08-19	Wellhead apparatus
GB9107122D0 (en)	1991-05-22	Drilling apparatus
GB8926092D0 (en)	1990-01-10	Subsea apparatus
GB2275704B (en)	1996-03-20	Wellhead apparatus
GB2274475B (en)	1996-03-13	Wellhead apparatus
GB2275952B (en)	1994-11-30	Subsea wellhead apparatus
GB2269841B (en)	1995-11-08	Wellhead equipment
GB2255992B (en)	1995-01-04	Subsea well guidebase equipment
GB9218156D0 (en)	1992-10-14	Improved drilling apparatus
GB9102173D0 (en)	1991-03-20	Wireline apparatus
GB9021997D0 (en)	1990-11-21	Bit stuffing apparatus
SG169794G (en)	1995-04-28	Subsea wellhead stabilization
GB9002748D0 (en)	1990-04-04	Auto-sinking wellhead
GB9025340D0 (en)	1991-01-02	Pipeline boring apparatus
GB9025341D0 (en)	1991-01-02	Pipeline boring apparatus

Legal Events

Date	Code	Title	Description
2001-07-04	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20001114