NO873115L - Hydraulisk ventilaktiveringsinnretning for undervanns sikkerhetsventil. - Google Patents

Hydraulisk ventilaktiveringsinnretning for undervanns sikkerhetsventil.

Info

Publication number
NO873115L
NO873115L NO87873115A NO873115A NO873115L NO 873115 L NO873115 L NO 873115L NO 87873115 A NO87873115 A NO 87873115A NO 873115 A NO873115 A NO 873115A NO 873115 L NO873115 L NO 873115L
Authority
NO
Norway
Prior art keywords
activation device
valve
underwater safety
safety valve
hydraulic
Prior art date
Application number
NO87873115A
Other languages
English (en)
Other versions
NO873115D0 (no
NO179382B (no
NO179382C (no
Inventor
Ronald Earl Pringle
Original Assignee
Camco 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.)
Filing date
Publication date
Application filed by Camco Inc filed Critical Camco Inc
Publication of NO873115D0 publication Critical patent/NO873115D0/no
Publication of NO873115L publication Critical patent/NO873115L/no
Publication of NO179382B publication Critical patent/NO179382B/no
Publication of NO179382C publication Critical patent/NO179382C/no

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
    • 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

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Lift Valve (AREA)
  • Control Of Combustion (AREA)
  • Check Valves (AREA)
  • Water Treatment By Sorption (AREA)
NO873115A 1987-01-12 1987-07-24 Undervanns brönnsikringsventil NO179382C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/002,323 US4716969A (en) 1987-01-12 1987-01-12 Hydraulic valve actuating means for subsurface safety valve

Publications (4)

Publication Number Publication Date
NO873115D0 NO873115D0 (no) 1987-07-24
NO873115L true NO873115L (no) 1988-07-13
NO179382B NO179382B (no) 1996-06-17
NO179382C NO179382C (no) 1996-09-25

Family

ID=21700245

Family Applications (1)

Application Number Title Priority Date Filing Date
NO873115A NO179382C (no) 1987-01-12 1987-07-24 Undervanns brönnsikringsventil

Country Status (3)

Country Link
US (1) US4716969A (no)
GB (1) GB2199604B (no)
NO (1) NO179382C (no)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4945993A (en) * 1988-05-06 1990-08-07 Otis Engineering Corporation Surface controlled subsurface safety valve
US4923006A (en) * 1989-08-07 1990-05-08 Cameron Iron Works Usa, Inc. Insulating support for tubing string
US4986357A (en) * 1990-04-09 1991-01-22 Pringle Ronald E Well tool having a variable area hydraulic actuator
US5293943A (en) * 1991-07-05 1994-03-15 Halliburton Company Safety valve, sealing ring and seal assembly
US5259457A (en) * 1991-07-05 1993-11-09 Halliburton Co. Safety valve, sealing ring and seal assembly
US5199494A (en) * 1991-07-05 1993-04-06 Otis Engineering Corporation Safety valve, sealing ring and seal assembly
GB9502154D0 (en) * 1995-02-03 1995-03-22 Petroleum Eng Services Subsurface valve
US6148843A (en) * 1996-08-15 2000-11-21 Camco International Inc. Variable orifice gas lift valve for high flow rates with detachable power source and method of using
AU3567199A (en) * 1998-04-20 1999-11-08 Camco International, Inc. Improved surface controlled subsurface safety valve downstop seal
EP0985798A3 (en) * 1998-09-10 2002-10-09 Halliburton Energy Services, Inc. Apparatus for opening and closing a flapper valve
US6237693B1 (en) 1999-08-13 2001-05-29 Camco International Inc. Failsafe safety valve and method
US6854519B2 (en) * 2002-05-03 2005-02-15 Weatherford/Lamb, Inc. Subsurface valve with system and method for sealing
US8701782B2 (en) * 2007-03-26 2014-04-22 Baker Hughes Incorporated Subsurface safety valve with metal seal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527630A (en) * 1982-06-01 1985-07-09 Camco, Incorporated Hydraulic actuating means for subsurface safety valve
US4569398A (en) * 1983-09-30 1986-02-11 Camco, Incorporated Subsurface well safety valve
US4574889A (en) * 1985-03-11 1986-03-11 Camco, Incorporated Method and apparatus for locking a subsurface safety valve in the open position
US4601341A (en) * 1985-03-18 1986-07-22 Camco, Incorporated Flexible piston well safety valve

Also Published As

Publication number Publication date
GB2199604A (en) 1988-07-13
NO873115D0 (no) 1987-07-24
GB8719535D0 (en) 1987-09-23
US4716969A (en) 1988-01-05
GB2199604B (en) 1990-07-25
NO179382B (no) 1996-06-17
NO179382C (no) 1996-09-25

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Legal Events

Date Code Title Description
MK1K Patent expired