DE2354275A1 - Sicherheitsventileinrichtung - Google Patents

Sicherheitsventileinrichtung

Info

Publication number
DE2354275A1
DE2354275A1 DE19732354275 DE2354275A DE2354275A1 DE 2354275 A1 DE2354275 A1 DE 2354275A1 DE 19732354275 DE19732354275 DE 19732354275 DE 2354275 A DE2354275 A DE 2354275A DE 2354275 A1 DE2354275 A1 DE 2354275A1
Authority
DE
Germany
Prior art keywords
pressure
valve device
safety valve
inner part
piston
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.)
Withdrawn
Application number
DE19732354275
Other languages
German (de)
English (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
Publication of DE2354275A1 publication Critical patent/DE2354275A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00Valve arrangements for boreholes or wells
    • E21B34/06Valve arrangements for boreholes or wells in wells
    • E21B34/08Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7723Safety cut-off requiring reset
    • Y10T137/7726Responsive to change in rate of flow
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7723Safety cut-off requiring reset
    • Y10T137/7731Fluid counter-biased or unseated valve
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7723Safety cut-off requiring reset
    • Y10T137/7731Fluid counter-biased or unseated valve
    • Y10T137/7733With fluid pressure seating of valve

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)
DE19732354275 1972-10-31 1973-10-30 Sicherheitsventileinrichtung Withdrawn DE2354275A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00302545A US3848629A (en) 1972-10-31 1972-10-31 Low flow safety valve with pressure lock

Publications (1)

Publication Number Publication Date
DE2354275A1 true DE2354275A1 (de) 1974-05-09

Family

ID=23168208

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732354275 Withdrawn DE2354275A1 (de) 1972-10-31 1973-10-30 Sicherheitsventileinrichtung

Country Status (5)

Country Link
US (1) US3848629A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA991077A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2354275A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2204768B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1447993A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4204513A (en) * 1978-11-15 1980-05-27 California Controls Company Hydraulic safety mechanism
US4266614A (en) * 1979-07-12 1981-05-12 Otis Engineering Corporation Valve
US4721162A (en) * 1984-08-29 1988-01-26 Camco, Incorporated Fluid level controlled safety valve
US8002040B2 (en) * 2008-04-23 2011-08-23 Schlumberger Technology Corporation System and method for controlling flow in a wellbore
US7740075B2 (en) 2008-07-09 2010-06-22 Schlumberger Technology Corporation Pressure relief actuated valves
US8733474B2 (en) 2011-01-14 2014-05-27 Schlumberger Technology Corporation Flow control diverter valve
CN103061707B (zh) * 2011-10-21 2015-07-22 中国石油天然气股份有限公司 井下循环开关阀
NO339640B1 (no) * 2013-10-30 2017-01-16 Wellbore As Nedihullsanordning utformet til å inngå i en rørstreng
CN109734041B (zh) * 2019-01-11 2024-06-11 苏州三米格科技有限公司 加油枪及加油设备
CN112013140B (zh) * 2020-08-28 2022-04-29 大庆烯城炟石油技术开发有限公司 一种应用于空压机上的泄压阀

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452777A (en) * 1964-08-24 1969-07-01 William W Dollison Pressure-responsive safety valve
US3477507A (en) * 1967-06-13 1969-11-11 Cook Testing Co Well safety valve
US3642070A (en) * 1970-05-06 1972-02-15 Otis Eng Co Safety valve system for gas light wells
US3724493A (en) * 1971-04-28 1973-04-03 Schlumberger Technology Corp Low flow safety valve

Also Published As

Publication number Publication date
FR2204768B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-03-11
CA991077A (en) 1976-06-15
FR2204768A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-05-24
GB1447993A (en) 1976-09-02
US3848629A (en) 1974-11-19

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination