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GB2240376B - Down hole electrically operated safety valve - Google Patents
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GB2240376B - Down hole electrically operated safety valve - Google Patents

Down hole electrically operated safety valve

Info

Publication number
GB2240376B
GB2240376B GB9021617A GB9021617A GB2240376B GB 2240376 B GB2240376 B GB 2240376B GB 9021617 A GB9021617 A GB 9021617A GB 9021617 A GB9021617 A GB 9021617A GB 2240376 B GB2240376 B GB 2240376B
Authority
GB
United Kingdom
Prior art keywords
safety valve
electrically operated
down hole
operated safety
hole electrically
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 - Fee Related
Application number
GB9021617A
Other versions
GB9021617D0 (en
GB2240376A (en
Inventor
Hans Paul Hopper
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.)
BP PLC
Original Assignee
BP PLC
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
Priority claimed from GB898922883A external-priority patent/GB8922883D0/en
Priority claimed from GB909001905A external-priority patent/GB9001905D0/en
Application filed by BP PLC filed Critical BP PLC
Priority to GB9021617A priority Critical patent/GB2240376B/en
Publication of GB9021617D0 publication Critical patent/GB9021617D0/en
Publication of GB2240376A publication Critical patent/GB2240376A/en
Application granted granted Critical
Publication of GB2240376B publication Critical patent/GB2240376B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
    • 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)
  • Mechanically-Actuated Valves (AREA)
GB9021617A 1989-10-11 1990-10-04 Down hole electrically operated safety valve Expired - Fee Related GB2240376B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9021617A GB2240376B (en) 1989-10-11 1990-10-04 Down hole electrically operated safety valve

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB898922883A GB8922883D0 (en) 1989-10-11 1989-10-11 Downhole safety valve
GB909001905A GB9001905D0 (en) 1990-01-27 1990-01-27 Down hole electrically operated safety valve
GB9021617A GB2240376B (en) 1989-10-11 1990-10-04 Down hole electrically operated safety valve

Publications (3)

Publication Number Publication Date
GB9021617D0 GB9021617D0 (en) 1990-11-21
GB2240376A GB2240376A (en) 1991-07-31
GB2240376B true GB2240376B (en) 1993-08-04

Family

ID=27264731

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9021617A Expired - Fee Related GB2240376B (en) 1989-10-11 1990-10-04 Down hole electrically operated safety valve

Country Status (1)

Country Link
GB (1) GB2240376B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5236047A (en) * 1991-10-07 1993-08-17 Camco International Inc. Electrically operated well completion apparatus and method
EP0828921B1 (en) * 1995-05-31 2001-08-01 Weatherford/Lamb Inc. Activating means for drilling apparatus
CA2282342C (en) * 1997-02-20 2008-04-15 Bj Services Company, U.S.A. Bottomhole assembly and methods of use
US6619388B2 (en) * 2001-02-15 2003-09-16 Halliburton Energy Services, Inc. Fail safe surface controlled subsurface safety valve for use in a well
DE60301150T2 (en) 2002-02-01 2006-01-05 Vetco Gray Controls Ltd., Nailsea linear actuator
US8002042B2 (en) * 2008-03-17 2011-08-23 Baker Hughes Incorporated Actuatable subsurface safety valve and method
NO342939B1 (en) 2016-05-21 2018-09-03 Electrical Subsea & Drilling As Electro-mechanically operated actuator for downhole valve
CN107461174B (en) * 2017-09-26 2023-07-21 西南石油大学 A kind of downhole safety valve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2216625A (en) * 1988-03-10 1989-10-11 British Petroleum Co Plc Mechanical actuator mechanism
GB2216570A (en) * 1988-03-07 1989-10-11 Baker Hughes Inc Electrically actuated safety valve for a subterranean well

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2216570A (en) * 1988-03-07 1989-10-11 Baker Hughes Inc Electrically actuated safety valve for a subterranean well
GB2216625A (en) * 1988-03-10 1989-10-11 British Petroleum Co Plc Mechanical actuator mechanism

Also Published As

Publication number Publication date
GB9021617D0 (en) 1990-11-21
GB2240376A (en) 1991-07-31

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19981004