CA994669A - Ambient pressure responsive safety valve - Google Patents

Ambient pressure responsive safety valve

Info

Publication number
CA994669A
CA994669A CA189,098A CA189098A CA994669A CA 994669 A CA994669 A CA 994669A CA 189098 A CA189098 A CA 189098A CA 994669 A CA994669 A CA 994669A
Authority
CA
Canada
Prior art keywords
safety valve
ambient pressure
pressure responsive
responsive safety
ambient
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA189,098A
Other languages
English (en)
Other versions
CA189098S (en
Inventor
David E. Young
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Technology Corp
Original Assignee
Schlumberger Technology Corp
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 Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Application granted granted Critical
Publication of CA994669A publication Critical patent/CA994669A/en
Expired legal-status Critical Current

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
    • E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7754—Line flow effect assisted
    • Y10T137/7756—Reactor surface separated from flow by apertured partition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface

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)
CA189,098A 1972-12-29 1973-12-28 Ambient pressure responsive safety valve Expired CA994669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00319183A US3814181A (en) 1972-12-29 1972-12-29 Ambient pressure responsive safety valve

Publications (1)

Publication Number Publication Date
CA994669A true CA994669A (en) 1976-08-10

Family

ID=23241199

Family Applications (1)

Application Number Title Priority Date Filing Date
CA189,098A Expired CA994669A (en) 1972-12-29 1973-12-28 Ambient pressure responsive safety valve

Country Status (5)

Country Link
US (1) US3814181A (de)
CA (1) CA994669A (de)
DE (1) DE2364328A1 (de)
FR (1) FR2212483B1 (de)
GB (1) GB1451510A (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889751A (en) * 1974-02-01 1975-06-17 Exxon Production Research Co Subsurface safety valve
US4721162A (en) * 1984-08-29 1988-01-26 Camco, Incorporated Fluid level controlled safety valve
US4618000A (en) * 1985-02-08 1986-10-21 Halliburton Company Pump open safety valve and method of use
US4878053A (en) * 1985-05-03 1989-10-31 Develco, Inc. Actuation method
US4736791A (en) * 1985-05-03 1988-04-12 Develco, Inc. Subsurface device actuator requiring minimum power
EP0216970B1 (de) * 1985-09-19 1992-07-08 AVA International Corporation Ventile
US4664195A (en) * 1986-01-31 1987-05-12 Otis Engineering Corporation Safety valve
US7198109B2 (en) * 1998-08-21 2007-04-03 Bj Services Company Double-pin radial flow valve
USRE40648E1 (en) * 1998-08-21 2009-03-10 Bj Services Company, U.S.A. System and method for downhole operation using pressure activated valve and sliding sleeve
US6722440B2 (en) * 1998-08-21 2004-04-20 Bj Services Company Multi-zone completion strings and methods for multi-zone completions
US7124824B2 (en) * 2000-12-05 2006-10-24 Bj Services Company, U.S.A. Washpipeless isolation strings and methods for isolation
US7201232B2 (en) 1998-08-21 2007-04-10 Bj Services Company Washpipeless isolation strings and methods for isolation with object holding service tool
US6892816B2 (en) * 1998-11-17 2005-05-17 Schlumberger Technology Corporation Method and apparatus for selective injection or flow control with through-tubing operation capacity
CA2318323C (en) * 1998-11-17 2005-07-05 Camco International, Inc. Method and apparatus for selective injection or flow control with through-tubing operation capacity
EP1359289A1 (de) * 2002-03-01 2003-11-05 Shell Internationale Researchmaatschappij B.V. Sicherheitsventil im Bohrlock
US7267990B2 (en) * 2002-11-15 2007-09-11 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College Chelation of charged and uncharged molecules with porphyrin-based compounds
US7246668B2 (en) * 2004-10-01 2007-07-24 Weatherford/Lamb, Inc. Pressure actuated tubing safety valve
US8167046B2 (en) 2004-12-22 2012-05-01 Baker Hughes Incorporated Method and apparatus to hydraulically bypass a well tool
DK1828538T3 (da) 2004-12-22 2020-04-20 Baker Hughes A Ge Co Llc Fremgangsmåde og apparat til fluidbypass af et brøndredskab
GB0515071D0 (en) * 2005-07-22 2005-08-31 Moyes Peter B Non-return valve
US8002040B2 (en) * 2008-04-23 2011-08-23 Schlumberger Technology Corporation System and method for controlling flow in a wellbore
CN101798913B (zh) * 2010-03-10 2012-11-14 中国石油天然气股份有限公司 一种压差式井下节流器
CN103541698B (zh) * 2012-07-12 2016-01-20 中国石油天然气股份有限公司 气井井下定产量节流生产装置
CN106677747A (zh) * 2017-01-19 2017-05-17 长江大学 一种水平井完井防砂用充填式控水筛管
CN109057749B (zh) * 2018-07-30 2021-04-30 中国石油天然气股份有限公司 一种易打捞卡瓦式井下节流器
US10920529B2 (en) 2018-12-13 2021-02-16 Tejas Research & Engineering, Llc Surface controlled wireline retrievable safety valve

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045759A (en) * 1955-01-26 1962-07-24 Udell Inc Well apparatus
US3050132A (en) * 1957-07-01 1962-08-21 Page Oil Tools Inc Fluid pressure operated shut-off valve for wells
US3065794A (en) * 1957-08-19 1962-11-27 Page Oil Tools Inc Retrievable well flow control valve

Also Published As

Publication number Publication date
FR2212483B1 (de) 1979-03-16
GB1451510A (en) 1976-10-06
DE2364328A1 (de) 1974-07-04
FR2212483A1 (de) 1974-07-26
US3814181A (en) 1974-06-04

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