GB1451510A - Ambient pressure responsive safety valve - Google Patents

Ambient pressure responsive safety valve

Info

Publication number
GB1451510A
GB1451510A GB5901673A GB5901673A GB1451510A GB 1451510 A GB1451510 A GB 1451510A GB 5901673 A GB5901673 A GB 5901673A GB 5901673 A GB5901673 A GB 5901673A GB 1451510 A GB1451510 A GB 1451510A
Authority
GB
United Kingdom
Prior art keywords
pressure
ambient pressure
piston
seat
closure member
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
GB5901673A
Other languages
English (en)
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
Publication of GB1451510A publication Critical patent/GB1451510A/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)
GB5901673A 1972-12-29 1973-12-20 Ambient pressure responsive safety valve Expired GB1451510A (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
GB1451510A true GB1451510A (en) 1976-10-06

Family

ID=23241199

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5901673A Expired GB1451510A (en) 1972-12-29 1973-12-20 Ambient pressure responsive safety valve

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163794A (en) * 1984-08-29 1986-03-05 Camco Inc Fluid level controlled safety valve

Families Citing this family (29)

* 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
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 (en) * 1985-09-19 1992-07-08 AVA International Corporation Valves
US4664195A (en) * 1986-01-31 1987-05-12 Otis Engineering Corporation Safety valve
US6722440B2 (en) * 1998-08-21 2004-04-20 Bj Services Company Multi-zone completion strings and methods for multi-zone completions
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
US7124824B2 (en) * 2000-12-05 2006-10-24 Bj Services Company, U.S.A. Washpipeless isolation strings and methods for isolation
US7198109B2 (en) * 1998-08-21 2007-04-03 Bj Services Company Double-pin radial flow valve
US7201232B2 (en) 1998-08-21 2007-04-10 Bj Services Company Washpipeless isolation strings and methods for isolation with object holding service tool
AU1914900A (en) * 1998-11-17 2000-06-05 Camco International, Inc. Method and apparatus for selective injection or flow control with through-tubingoperation capacity
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
EP1359289A1 (en) * 2002-03-01 2003-11-05 Shell Internationale Researchmaatschappij B.V. Downhole safety valve
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
EP1828537B1 (en) 2004-12-22 2019-07-17 Baker Hughes, a GE company, LLC Method and apparatus to hydraulically bypass a well tool
US7861786B2 (en) 2004-12-22 2011-01-04 Bj Services Company, U.S.A. Method and apparatus for fluid bypass of a well tool
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
DE102019003643A1 (de) * 2019-05-24 2020-11-26 Drägerwerk AG & Co. KGaA Anordnung mit einem lnspirationsventil für ein Beatmungssystem
US12180806B2 (en) 2020-11-12 2024-12-31 Moog Inc. Subsurface safety valve actuator
CN116411873B (zh) * 2023-04-27 2025-11-18 四川中能数智科技发展有限公司 一种多次常开常闭防喷阀
CN120175273A (zh) * 2025-05-23 2025-06-20 成都若克石油股份有限公司 一种双金属密封结构的井下安全阀

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163794A (en) * 1984-08-29 1986-03-05 Camco Inc Fluid level controlled safety valve

Also Published As

Publication number Publication date
FR2212483B1 (enExample) 1979-03-16
FR2212483A1 (enExample) 1974-07-26
CA994669A (en) 1976-08-10
US3814181A (en) 1974-06-04
DE2364328A1 (de) 1974-07-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee