GB1505557A - Subsea control valve apparatus - Google Patents

Subsea control valve apparatus

Info

Publication number
GB1505557A
GB1505557A GB16526/75A GB1652675A GB1505557A GB 1505557 A GB1505557 A GB 1505557A GB 16526/75 A GB16526/75 A GB 16526/75A GB 1652675 A GB1652675 A GB 1652675A GB 1505557 A GB1505557 A GB 1505557A
Authority
GB
United Kingdom
Prior art keywords
locking sleeve
valves
control section
upwardly
latches
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
Application number
GB16526/75A
Other languages
English (en)
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 Technology Corp
Original Assignee
Schlumberger Technology Corp
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
Priority claimed from US05/462,824 external-priority patent/US3955623A/en
Priority claimed from US05/462,829 external-priority patent/US3967647A/en
Application filed by Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of GB1505557A publication Critical patent/GB1505557A/en
Expired 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
    • 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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/04—Cutting of wire lines or the like
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/04—Ball valves

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)
  • Multiple-Way Valves (AREA)
  • Safety Valves (AREA)
GB16526/75A 1974-04-22 1975-04-22 Subsea control valve apparatus Expired GB1505557A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/462,824 US3955623A (en) 1974-04-22 1974-04-22 Subsea control valve apparatus
US05/462,829 US3967647A (en) 1974-04-22 1974-04-22 Subsea control valve apparatus

Publications (1)

Publication Number Publication Date
GB1505557A true GB1505557A (en) 1978-03-30

Family

ID=27040468

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16526/75A Expired GB1505557A (en) 1974-04-22 1975-04-22 Subsea control valve apparatus

Country Status (5)

Country Link
AU (1) AU497520B2 (cs)
FR (1) FR2268150B1 (cs)
GB (1) GB1505557A (cs)
NO (1) NO145481C (cs)
OA (1) OA04986A (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173840A (en) * 1985-04-17 1986-10-22 Norward Energy Services Ltd Well apparatus
US4726424A (en) * 1985-04-17 1988-02-23 Raulins George M Well apparatus
CN113445962A (zh) * 2021-06-24 2021-09-28 西南石油大学 一种液动式双层管双梯度井下防喷阀

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009753A (en) * 1976-03-22 1977-03-01 Schlumberger Technology Corporation Subsea master valve apparatus
US4086776A (en) * 1977-04-11 1978-05-02 Compagnie Francaise Des Petroles Lock means for a tension line
US4275786A (en) * 1978-12-15 1981-06-30 Schlumberger Technology Corporation Apparatus for selectively coupling cables to well tools
US4320804A (en) * 1979-08-06 1982-03-23 Baker International Corporation Subsea test tree
CN110529072B (zh) * 2019-08-20 2024-05-24 西南石油大学 一种直电式控制水下测试树

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173840A (en) * 1985-04-17 1986-10-22 Norward Energy Services Ltd Well apparatus
US4726424A (en) * 1985-04-17 1988-02-23 Raulins George M Well apparatus
CN113445962A (zh) * 2021-06-24 2021-09-28 西南石油大学 一种液动式双层管双梯度井下防喷阀
CN113445962B (zh) * 2021-06-24 2022-05-31 西南石油大学 一种液动式双层管双梯度井下防喷阀

Also Published As

Publication number Publication date
FR2268150B1 (cs) 1982-09-10
NO145481C (no) 1982-04-07
AU497520B2 (en) 1978-12-14
OA04986A (fr) 1980-11-30
NO145481B (no) 1981-12-21
FR2268150A1 (cs) 1975-11-14
NO751422L (cs) 1975-10-23
AU8006375A (en) 1976-10-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19950421