GB2378724B - Controlling fluid flow - Google Patents

Controlling fluid flow

Info

Publication number
GB2378724B
GB2378724B GB0227060A GB0227060A GB2378724B GB 2378724 B GB2378724 B GB 2378724B GB 0227060 A GB0227060 A GB 0227060A GB 0227060 A GB0227060 A GB 0227060A GB 2378724 B GB2378724 B GB 2378724B
Authority
GB
United Kingdom
Prior art keywords
fluid flow
controlling fluid
controlling
flow
fluid
Prior art date
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
GB0227060A
Other versions
GB0227060D0 (en
GB2378724A (en
Inventor
Vance Nixon
Gary L Rytlewski
Anthony P Vovers
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.)
Schlumberger Holdings Ltd
Original Assignee
Schlumberger Holdings Ltd
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.)
Filing date
Publication date
Application filed by Schlumberger Holdings Ltd filed Critical Schlumberger Holdings Ltd
Priority claimed from GB9916878A external-priority patent/GB2340156B/en
Publication of GB0227060D0 publication Critical patent/GB0227060D0/en
Publication of GB2378724A publication Critical patent/GB2378724A/en
Application granted granted Critical
Publication of GB2378724B publication Critical patent/GB2378724B/en
Anticipated expiration legal-status Critical
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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/02—Valve arrangements for boreholes or wells in well heads
    • E21B34/04—Valve arrangements for boreholes or wells in well heads in underwater well heads
    • E21B34/045—Valve arrangements for boreholes or wells in well heads in underwater well heads adapted to be lowered on a tubular string into position within a blow-out preventer stack, e.g. so-called test trees

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)
  • Safety Valves (AREA)
GB0227060A 1998-07-29 1999-07-19 Controlling fluid flow Expired - Fee Related GB2378724B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9458298P 1998-07-29 1998-07-29
GB9916878A GB2340156B (en) 1998-07-29 1999-07-19 Retainer valve

Publications (3)

Publication Number Publication Date
GB0227060D0 GB0227060D0 (en) 2002-12-24
GB2378724A GB2378724A (en) 2003-02-19
GB2378724B true GB2378724B (en) 2003-03-26

Family

ID=26315777

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0227060A Expired - Fee Related GB2378724B (en) 1998-07-29 1999-07-19 Controlling fluid flow

Country Status (1)

Country Link
GB (1) GB2378724B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8347967B2 (en) 2008-04-18 2013-01-08 Sclumberger Technology Corporation Subsea tree safety control system
GB201317808D0 (en) 2013-10-08 2013-11-20 Expro North Sea Ltd Intervention system and apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253525A (en) * 1978-07-31 1981-03-03 Schlumberger Technology Corporation Retainer valve system
EP0204619A2 (en) * 1985-05-31 1986-12-10 Schlumberger Technology Corporation Subsea master valve for use in well testing
US5894890A (en) * 1996-11-26 1999-04-20 Halliburton Energy Services, Inc. Normally closed retainer valve with fail-safe pump through capability

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253525A (en) * 1978-07-31 1981-03-03 Schlumberger Technology Corporation Retainer valve system
EP0204619A2 (en) * 1985-05-31 1986-12-10 Schlumberger Technology Corporation Subsea master valve for use in well testing
US5894890A (en) * 1996-11-26 1999-04-20 Halliburton Energy Services, Inc. Normally closed retainer valve with fail-safe pump through capability

Also Published As

Publication number Publication date
GB0227060D0 (en) 2002-12-24
GB2378724A (en) 2003-02-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170719