OA04986A - Underwater control valve. - Google Patents

Underwater control valve.

Info

Publication number
OA04986A
OA04986A OA55481A OA55481A OA04986A OA 04986 A OA04986 A OA 04986A OA 55481 A OA55481 A OA 55481A OA 55481 A OA55481 A OA 55481A OA 04986 A OA04986 A OA 04986A
Authority
OA
OAPI
Prior art keywords
control valve
underwater control
underwater
valve
control
Prior art date
Application number
OA55481A
Other languages
French (fr)
Inventor
James T Aumann
David E Young
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 US05/462,829 external-priority patent/US3967647A/en
Priority claimed from US05/462,824 external-priority patent/US3955623A/en
Application filed by Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of OA04986A publication Critical patent/OA04986A/en

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)
OA55481A 1974-04-22 1975-04-22 Underwater control valve. OA04986A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
OA04986A true OA04986A (en) 1980-11-30

Family

ID=27040468

Family Applications (1)

Application Number Title Priority Date Filing Date
OA55481A OA04986A (en) 1974-04-22 1975-04-22 Underwater control valve.

Country Status (5)

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

Families Citing this family (9)

* 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
US4726424A (en) * 1985-04-17 1988-02-23 Raulins George M Well apparatus
GB2173840B (en) * 1985-04-17 1988-07-13 Norward Energy Services Ltd Well apparatus
CN110529072B (en) * 2019-08-20 2024-05-24 西南石油大学 Direct-current control underwater test tree
CN113445962B (en) * 2021-06-24 2022-05-31 西南石油大学 Hydraulic double-layer pipe double-gradient downhole blowout prevention valve
CN117108237B (en) * 2023-09-11 2026-04-10 西南石油大学 Underground three-way integrated blowout preventer

Also Published As

Publication number Publication date
GB1505557A (en) 1978-03-30
AU8006375A (en) 1976-10-14
FR2268150A1 (en) 1975-11-14
FR2268150B1 (en) 1982-09-10
NO145481C (en) 1982-04-07
AU497520B2 (en) 1978-12-14
NO751422L (en) 1975-10-23
NO145481B (en) 1981-12-21

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