NO854866L - Feilsikker broennsikkerhetsventil. - Google Patents

Feilsikker broennsikkerhetsventil.

Info

Publication number
NO854866L
NO854866L NO854866A NO854866A NO854866L NO 854866 L NO854866 L NO 854866L NO 854866 A NO854866 A NO 854866A NO 854866 A NO854866 A NO 854866A NO 854866 L NO854866 L NO 854866L
Authority
NO
Norway
Prior art keywords
safety
failure
valve
safety valve
failure safety
Prior art date
Application number
NO854866A
Other languages
English (en)
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 NO854866L publication Critical patent/NO854866L/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

  • 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)
  • Safety Valves (AREA)
  • Actuator (AREA)
NO854866A 1984-12-04 1985-12-03 Feilsikker broennsikkerhetsventil. NO854866L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/678,125 US4598773A (en) 1984-03-12 1984-12-04 Fail-safe well safety valve and method

Publications (1)

Publication Number Publication Date
NO854866L true NO854866L (no) 1986-06-05

Family

ID=24721498

Family Applications (1)

Application Number Title Priority Date Filing Date
NO854866A NO854866L (no) 1984-12-04 1985-12-03 Feilsikker broennsikkerhetsventil.

Country Status (4)

Country Link
US (1) US4598773A (no)
FR (1) FR2574151A1 (no)
GB (2) GB2167791B (no)
NO (1) NO854866L (no)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2264313A (en) * 1991-11-04 1993-08-25 John Victor Kernaghan Self closing safety valve for oil/gas drilling pipe-lines.
US5310004A (en) * 1993-01-13 1994-05-10 Camco International Inc. Fail safe gas bias safety valve
US6302210B1 (en) * 1997-11-10 2001-10-16 Halliburton Energy Services, Inc. Safety valve utilizing an isolation valve and method of using the same
US6173785B1 (en) * 1998-10-15 2001-01-16 Baker Hughes Incorporated Pressure-balanced rod piston control system for a subsurface safety valve
US6491106B1 (en) 2001-03-14 2002-12-10 Halliburton Energy Services, Inc. Method of controlling a subsurface safety valve
US7246668B2 (en) * 2004-10-01 2007-07-24 Weatherford/Lamb, Inc. Pressure actuated tubing safety valve
US8567506B2 (en) * 2008-09-04 2013-10-29 Halliburton Energy Services, Inc. Fluid isolating pressure equalization in subterranean well tools
US9068425B2 (en) 2011-04-12 2015-06-30 Halliburton Energy Services, Inc. Safety valve with electrical actuator and tubing pressure balancing
US9016387B2 (en) 2011-04-12 2015-04-28 Halliburton Energy Services, Inc. Pressure equalization apparatus and associated systems and methods
US9010448B2 (en) 2011-04-12 2015-04-21 Halliburton Energy Services, Inc. Safety valve with electrical actuator and tubing pressure balancing
US11359442B2 (en) * 2020-06-05 2022-06-14 Baker Hughes Oilfield Operations Llc Tubular for downhole use, a downhole tubular system and method of forming a fluid passageway at a tubular for downhole use
AU2021420723A1 (en) 2021-01-14 2023-07-27 Schlumberger Technology B.V. Wellbore pressure insensitive hydraulic piston configuration

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921601A (en) * 1955-12-05 1960-01-19 Baker Oil Tools Inc Tubular string control valve
US4550780A (en) * 1972-05-23 1985-11-05 Hydril Company Pressure operated safety valve with lock means
US3860069A (en) * 1973-02-26 1975-01-14 Gary Q Wray Method for testing oil wells
US4294314A (en) * 1979-12-31 1981-10-13 Hydril Company Inside blowout preventer well tool
US4503913A (en) * 1983-07-18 1985-03-12 Baker Oil Tools, Inc. Subsurface well safety valve
US4524831A (en) * 1983-12-27 1985-06-25 Camco, Incorporated Hydraulic controlled well valve
US4495998A (en) * 1984-03-12 1985-01-29 Camco, Incorporated Tubing pressure balanced well safety valve

Also Published As

Publication number Publication date
GB8610017D0 (en) 1986-05-29
GB2167791A (en) 1986-06-04
GB2167791B (en) 1987-10-14
GB8529421D0 (en) 1986-01-08
GB2172036A (en) 1986-09-10
US4598773A (en) 1986-07-08
GB2172036B (en) 1987-10-14
FR2574151A1 (fr) 1986-06-06

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