NO990600L - Trykkutjevnende sikkerhetsventil for underjordiske br°nner - Google Patents

Trykkutjevnende sikkerhetsventil for underjordiske br°nner

Info

Publication number
NO990600L
NO990600L NO990600A NO990600A NO990600L NO 990600 L NO990600 L NO 990600L NO 990600 A NO990600 A NO 990600A NO 990600 A NO990600 A NO 990600A NO 990600 L NO990600 L NO 990600L
Authority
NO
Norway
Prior art keywords
safety valve
pressure equalizing
underground wells
equalizing safety
underground
Prior art date
Application number
NO990600A
Other languages
English (en)
Other versions
NO990600D0 (no
Inventor
Russel A Johnston
Andrew J Martin
Original Assignee
Camco Int
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 Int filed Critical Camco Int
Publication of NO990600D0 publication Critical patent/NO990600D0/no
Publication of NO990600L publication Critical patent/NO990600L/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
    • E21B34/101—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for equalizing fluid pressure above and below the valve
    • 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)
  • Lift Valve (AREA)
NO990600A 1997-06-03 1999-02-09 Trykkutjevnende sikkerhetsventil for underjordiske br°nner NO990600L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4853597P 1997-06-03 1997-06-03
PCT/US1998/011149 WO1998055732A1 (en) 1997-06-03 1998-06-03 Pressure equalizing safety valve for subterranean wells

Publications (2)

Publication Number Publication Date
NO990600D0 NO990600D0 (no) 1999-02-09
NO990600L true NO990600L (no) 1999-03-30

Family

ID=21955107

Family Applications (1)

Application Number Title Priority Date Filing Date
NO990600A NO990600L (no) 1997-06-03 1999-02-09 Trykkutjevnende sikkerhetsventil for underjordiske br°nner

Country Status (6)

Country Link
US (1) US6079497A (no)
EP (1) EP0953097A1 (no)
AU (1) AU7712998A (no)
CA (1) CA2264759A1 (no)
NO (1) NO990600L (no)
WO (1) WO1998055732A1 (no)

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WO1999005395A1 (en) * 1997-07-24 1999-02-04 Camco International Inc. Full bore variable flow control device
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US6296061B1 (en) * 1998-12-22 2001-10-02 Camco International Inc. Pilot-operated pressure-equalizing mechanism for subsurface valve
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US6227299B1 (en) * 1999-07-13 2001-05-08 Halliburton Energy Services, Inc. Flapper valve with biasing flapper closure assembly
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US6513594B1 (en) 2000-10-13 2003-02-04 Schlumberger Technology Corporation Subsurface safety valve
US6435282B1 (en) 2000-10-17 2002-08-20 Halliburton Energy Services, Inc. Annular flow safety valve and methods
AU784461B2 (en) 2000-12-05 2006-04-06 Baker Hughes Incorporated Equalizing flapper for down hole safety valves
US6848509B2 (en) * 2001-10-22 2005-02-01 Baker Hughes Incorporated Pressure equalizing plunger valve for downhole use
US6666271B2 (en) * 2001-11-01 2003-12-23 Weatherford/Lamb, Inc. Curved flapper and seat for a subsurface saftey valve
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US7252153B2 (en) * 2005-02-01 2007-08-07 Halliburton Energy Services, Inc. Bi-directional fluid loss device and method
US7360600B2 (en) * 2005-12-21 2008-04-22 Schlumberger Technology Corporation Subsurface safety valves and methods of use
DK1895091T3 (da) * 2006-08-22 2010-05-25 Bj Services Co Fremgangsmåde og indretning til brug af en underjordisk sikkerhedsventil
US8056618B2 (en) * 2007-07-18 2011-11-15 Baker Hughes Incorporated Flapper mounted equalizer valve for subsurface safety valves
US9163479B2 (en) * 2007-08-03 2015-10-20 Baker Hughes Incorporated Flapper operating system without a flow tube
US20090056951A1 (en) * 2007-08-28 2009-03-05 Schlumberger Technology Corporation Fluid loss control flapper valve
US7779919B2 (en) * 2008-04-23 2010-08-24 Schlumberger Technology Corporation Flapper valve retention method and system
US9784057B2 (en) * 2008-04-30 2017-10-10 Weatherford Technology Holdings, Llc Mechanical bi-directional isolation valve
US20100175887A1 (en) * 2009-01-09 2010-07-15 Bj Services Company Subsurface Safety Valve Flapper
US8651188B2 (en) * 2009-12-30 2014-02-18 Schlumberger Technology Corporation Gas lift barrier valve
US8708051B2 (en) * 2010-07-29 2014-04-29 Weatherford/Lamb, Inc. Isolation valve with debris control and flow tube protection
US20120031624A1 (en) * 2010-08-06 2012-02-09 Schlumberger Technology Corporation Flow tube for use in subsurface valves
US8479826B2 (en) 2011-10-20 2013-07-09 Halliburton Energy Services, Inc. Protection of a safety valve in a subterranean well
GB2577438B (en) 2017-07-18 2022-04-13 Halliburton Energy Services Inc Control line pressure controlled safety valve equalization
PL3460329T3 (pl) * 2017-09-20 2020-06-29 Copreci, S.Coop. Elektromagnetyczny zawór gazowy, zawór regulujący przepływ gazu oraz kuchenka gazowa
CN109505993B (zh) * 2018-11-08 2023-07-07 深圳大学 可增加密封比压的岩心筒密封结构
NO20210569A1 (en) * 2018-12-06 2021-05-06 Halliburton Energy Services Inc Equalizing device
US10352128B1 (en) * 2019-02-08 2019-07-16 Vertice Oil Tools Methods and systems for fracing
GB2594394B (en) 2019-02-13 2022-12-07 Halliburton Energy Services Inc Equalizing device for safety valves
US11377928B2 (en) * 2020-05-13 2022-07-05 Weatherford Technology Holdings, Llc Downhole isolation valves with pressure relief
US11396791B2 (en) * 2020-08-03 2022-07-26 Baker Hughes Oilfield Operations Llc Equalizing cartridge for a flapper valve
US11846157B2 (en) * 2022-03-18 2023-12-19 Batfer Investment S.A. Safety valve for a fluid extraction well installation

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Also Published As

Publication number Publication date
AU7712998A (en) 1998-12-21
NO990600D0 (no) 1999-02-09
EP0953097A1 (en) 1999-11-03
WO1998055732A1 (en) 1998-12-10
CA2264759A1 (en) 1998-12-10
US6079497A (en) 2000-06-27

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