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CA974876A - Remotely operated well safety valves - Google Patents

Remotely operated well safety valves

Info

Publication number
CA974876A
CA974876A CA155,891A CA155891A CA974876A CA 974876 A CA974876 A CA 974876A CA 155891 A CA155891 A CA 155891A CA 974876 A CA974876 A CA 974876A
Authority
CA
Canada
Prior art keywords
remotely operated
safety valves
operated well
well safety
valves
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
CA155,891A
Other versions
CA155891S (en
Inventor
George I. Boyadjieff
Ben A. Otsap
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.)
Abegg and Reinhold Co
Original Assignee
Abegg and Reinhold Co
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 Abegg and Reinhold Co filed Critical Abegg and Reinhold Co
Priority to CA215,804A priority Critical patent/CA998611A/en
Application granted granted Critical
Publication of CA974876A publication Critical patent/CA974876A/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
    • E21B34/16—Control means therefor being outside the borehole

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)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Mechanically-Actuated Valves (AREA)
CA155,891A 1971-11-30 1972-11-07 Remotely operated well safety valves Expired CA974876A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA215,804A CA998611A (en) 1971-11-30 1974-12-10 Remotely operated well safety valves

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20314271A 1971-11-30 1971-11-30
US00252808A US3853175A (en) 1971-11-30 1972-05-12 Remotely operated well safety valves

Publications (1)

Publication Number Publication Date
CA974876A true CA974876A (en) 1975-09-23

Family

ID=26898348

Family Applications (1)

Application Number Title Priority Date Filing Date
CA155,891A Expired CA974876A (en) 1971-11-30 1972-11-07 Remotely operated well safety valves

Country Status (6)

Country Link
US (1) US3853175A (en)
JP (1) JPS4863901A (en)
CA (1) CA974876A (en)
DE (1) DE2257907C3 (en)
FR (1) FR2162070B1 (en)
GB (1) GB1387936A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828023A (en) * 1988-01-19 1989-05-09 Eastern Oil Tools Pte, Ltd. Mechanical latching device operated by dead weight and tension
US4883119A (en) * 1988-01-19 1989-11-28 Eastern Oil Tools Pte Ltd. Mechanical latching device operated by dead weight and tension
US8534361B2 (en) * 2009-10-07 2013-09-17 Baker Hughes Incorporated Multi-stage pressure equalization valve assembly for subterranean valves
US8336628B2 (en) * 2009-10-20 2012-12-25 Baker Hughes Incorporated Pressure equalizing a ball valve through an upper seal bypass
US8371375B2 (en) * 2009-12-09 2013-02-12 Baker Hughes Incorporated Wireline run mechanically or hydraulically operated subterranean insert barrier valve and associated landing nipple
US8534317B2 (en) 2010-07-15 2013-09-17 Baker Hughes Incorporated Hydraulically controlled barrier valve equalizing system
EP2756158B1 (en) * 2011-09-13 2016-04-20 Halliburton Energy Services, Inc. Automated diversion valve control for pump down operations
US8607872B1 (en) * 2013-05-30 2013-12-17 Adrian Bugariu Fire prevention blow-out valve

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1911323A (en) * 1932-11-26 1933-05-30 Herbert C Otis Apparatus for controlling oil wells
US2207033A (en) * 1938-05-23 1940-07-09 John R Beddingfield Apparatus for flowing oil wells
US2357189A (en) * 1942-06-08 1944-08-29 Salt Water Control Inc Flow regulation apparatus for brine injection wells
US3351133A (en) * 1965-06-14 1967-11-07 Baker Oil Tools Inc Tubing weight-controlled safety valve apparatus
US3411585A (en) * 1966-04-28 1968-11-19 John S. Page Jr. Surface control of sub-surface well valving using flow passing tubing link
US3675718A (en) * 1970-09-11 1972-07-11 Exxon Production Research Co Conducting operations in a well through a normally closed valve

Also Published As

Publication number Publication date
DE2257907C3 (en) 1975-02-20
DE2257907A1 (en) 1973-06-14
JPS4863901A (en) 1973-09-05
DE2257907B2 (en) 1974-07-04
FR2162070A1 (en) 1973-07-13
US3853175A (en) 1974-12-10
FR2162070B1 (en) 1977-01-14
GB1387936A (en) 1975-03-19

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