NO855001L - Broennsikkerhetsventil med fleksibelt stempel. - Google Patents

Broennsikkerhetsventil med fleksibelt stempel.

Info

Publication number
NO855001L
NO855001L NO855001A NO855001A NO855001L NO 855001 L NO855001 L NO 855001L NO 855001 A NO855001 A NO 855001A NO 855001 A NO855001 A NO 855001A NO 855001 L NO855001 L NO 855001L
Authority
NO
Norway
Prior art keywords
valve
piston
cylinder
housing
open
Prior art date
Application number
NO855001A
Other languages
English (en)
Norwegian (no)
Inventor
Ronald Earl Pringle
William Donald Eatwell
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 NO855001L publication Critical patent/NO855001L/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)
  • Safety Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Actuator (AREA)
  • Lift Valve (AREA)
NO855001A 1985-03-18 1985-12-12 Broennsikkerhetsventil med fleksibelt stempel. NO855001L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/713,080 US4601341A (en) 1985-03-18 1985-03-18 Flexible piston well safety valve

Publications (1)

Publication Number Publication Date
NO855001L true NO855001L (no) 1986-09-19

Family

ID=24864653

Family Applications (1)

Application Number Title Priority Date Filing Date
NO855001A NO855001L (no) 1985-03-18 1985-12-12 Broennsikkerhetsventil med fleksibelt stempel.

Country Status (4)

Country Link
US (1) US4601341A (fr)
FR (1) FR2578944A1 (fr)
GB (1) GB2172634A (fr)
NO (1) NO855001L (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691776A (en) * 1986-05-29 1987-09-08 Camco, Incorporated Retrievable well safety valve with expandable external seals
US4716969A (en) * 1987-01-12 1988-01-05 Camco, Incorporated Hydraulic valve actuating means for subsurface safety valve
US4945993A (en) * 1988-05-06 1990-08-07 Otis Engineering Corporation Surface controlled subsurface safety valve
GB9502154D0 (en) * 1995-02-03 1995-03-22 Petroleum Eng Services Subsurface valve
US6644411B2 (en) * 2001-04-18 2003-11-11 Kvaerner Oilfield Products, Inc. Tubing hanger with flapper valve

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2258065C3 (de) * 1972-11-27 1978-07-06 Max 5650 Solingen Jacobs Hydraulische Vorrichtung zum Betrieb eines Aufzuges
US4161219A (en) * 1978-02-27 1979-07-17 Camco, Incorporated Piston actuated well safety valve
CA1177727A (fr) * 1981-02-10 1984-11-13 Feramatic Ag Entrainement commande par fluide
US4452310A (en) * 1981-11-17 1984-06-05 Camco, Incorporated Metal-to-metal high/low pressure seal
US4527630A (en) * 1982-06-01 1985-07-09 Camco, Incorporated Hydraulic actuating means for subsurface safety valve
US4467870A (en) * 1982-07-06 1984-08-28 Baker Oil Tools, Inc. Fluid pressure actuator for subterranean well apparatus
US4484511A (en) * 1982-11-23 1984-11-27 Centrifugal Piston Expanders, Inc. Piston
AT378997B (de) * 1982-12-03 1985-10-25 List Hans Brennkraftmaschine
US4444266A (en) * 1983-02-03 1984-04-24 Camco, Incorporated Deep set piston actuated well safety valve
US4503913A (en) * 1983-07-18 1985-03-12 Baker Oil Tools, Inc. Subsurface well safety valve

Also Published As

Publication number Publication date
FR2578944A1 (fr) 1986-09-19
GB2172634A (en) 1986-09-24
US4601341A (en) 1986-07-22
GB8603222D0 (en) 1986-03-19

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