SG70790G - Surface-controlled subsurface safety valve - Google Patents

Surface-controlled subsurface safety valve

Info

Publication number
SG70790G
SG70790G SG707/90A SG70790A SG70790G SG 70790 G SG70790 G SG 70790G SG 707/90 A SG707/90 A SG 707/90A SG 70790 A SG70790 A SG 70790A SG 70790 G SG70790 G SG 70790G
Authority
SG
Singapore
Prior art keywords
safety valve
subsurface safety
controlled subsurface
controlled
valve
Prior art date
Application number
SG707/90A
Other languages
English (en)
Original Assignee
Otis Eng Co
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 Otis Eng Co filed Critical Otis Eng Co
Publication of SG70790G publication Critical patent/SG70790G/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
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • E21B34/102—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for locking the closing element in open or closed position
    • 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
    • E21B2200/05—Flapper 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)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
SG707/90A 1986-02-10 1990-08-24 Surface-controlled subsurface safety valve SG70790G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82743386A 1986-02-10 1986-02-10

Publications (1)

Publication Number Publication Date
SG70790G true SG70790G (en) 1990-10-26

Family

ID=25249214

Family Applications (1)

Application Number Title Priority Date Filing Date
SG707/90A SG70790G (en) 1986-02-10 1990-08-24 Surface-controlled subsurface safety valve

Country Status (4)

Country Link
AU (2) AU585093B2 (fr)
CA (1) CA1265995A (fr)
GB (1) GB2186305B (fr)
SG (1) SG70790G (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186305B (en) * 1986-02-10 1990-05-02 Otis Eng Co Surface-controlled subsurface safety valve
US4967845A (en) * 1989-11-28 1990-11-06 Baker Hughes Incorporated Lock open mechanism for downhole safety valve
US5598864A (en) * 1994-10-19 1997-02-04 Camco International Inc. Subsurface safety valve
US6575249B2 (en) * 2001-05-17 2003-06-10 Thomas Michael Deaton Apparatus and method for locking open a flow control device
US9988876B2 (en) * 2016-02-01 2018-06-05 Weatherford Technology Holdings, Llc Valve operable between open and closed configurations in response to same direction displacement
BR102018014310B1 (pt) * 2018-07-13 2024-01-30 Petróleo Brasileiro S.A. - Petrobras Ferramenta verificadora e método de verificação de válvula de segurança de subsuperfície

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981358A (en) * 1975-11-14 1976-09-21 Camco, Incorporated Well safety valve
US4077473A (en) * 1977-04-18 1978-03-07 Camco, Incorporated Well safety valve
US4469179A (en) * 1981-12-17 1984-09-04 Otis Engineering Corporation Safety system
US4479539A (en) * 1982-10-18 1984-10-30 Otis Engineering Corporation Downhole lock system
US4624315A (en) * 1984-10-05 1986-11-25 Otis Engineering Corporation Subsurface safety valve with lock-open system
US4574889A (en) * 1985-03-11 1986-03-11 Camco, Incorporated Method and apparatus for locking a subsurface safety valve in the open position
FR2582374B1 (fr) * 1985-05-21 1987-07-10 Petroles Cie Francaise Vanne de securite a commande hydraulique, incorporable a un tube de production de puits petrolier
US4723606A (en) * 1986-02-10 1988-02-09 Otis Engineering Corporation Surface controlled subsurface safety valve
GB2186305B (en) * 1986-02-10 1990-05-02 Otis Eng Co Surface-controlled subsurface safety valve

Also Published As

Publication number Publication date
AU6562986A (en) 1987-08-13
AU3376389A (en) 1989-06-29
AU585093B2 (en) 1989-06-08
AU610385B2 (en) 1991-05-16
GB8627001D0 (en) 1986-12-10
CA1265995A (fr) 1990-02-20
GB2186305A (en) 1987-08-12
GB2186305B (en) 1990-05-02

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