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GB2112041B - Fluid displacement well safety valve - Google Patents

Fluid displacement well safety valve

Info

Publication number
GB2112041B
GB2112041B GB08138287A GB8138287A GB2112041B GB 2112041 B GB2112041 B GB 2112041B GB 08138287 A GB08138287 A GB 08138287A GB 8138287 A GB8138287 A GB 8138287A GB 2112041 B GB2112041 B GB 2112041B
Authority
GB
United Kingdom
Prior art keywords
safety valve
fluid displacement
well safety
displacement well
fluid
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
GB08138287A
Other versions
GB2112041A (en
Inventor
Ronald Earl Pringle
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.)
CAMCO Inc
Original Assignee
CAMCO Inc
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 CAMCO Inc filed Critical CAMCO Inc
Priority to GB08138287A priority Critical patent/GB2112041B/en
Publication of GB2112041A publication Critical patent/GB2112041A/en
Application granted granted Critical
Publication of GB2112041B publication Critical patent/GB2112041B/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
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • 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)
  • Check Valves (AREA)
GB08138287A 1981-12-18 1981-12-18 Fluid displacement well safety valve Expired GB2112041B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08138287A GB2112041B (en) 1981-12-18 1981-12-18 Fluid displacement well safety valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08138287A GB2112041B (en) 1981-12-18 1981-12-18 Fluid displacement well safety valve

Publications (2)

Publication Number Publication Date
GB2112041A GB2112041A (en) 1983-07-13
GB2112041B true GB2112041B (en) 1985-03-27

Family

ID=10526711

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08138287A Expired GB2112041B (en) 1981-12-18 1981-12-18 Fluid displacement well safety valve

Country Status (1)

Country Link
GB (1) GB2112041B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5188182A (en) * 1990-07-13 1993-02-23 Otis Engineering Corporation System containing expendible isolation valve with frangible sealing member, seat arrangement and method for use
NO932900L (en) * 1992-08-21 1994-02-22 Ava Int Corp Bridge safety valve
GB2278866A (en) * 1992-08-21 1994-12-14 Ava Int Corp Subsurface tubing safety valve
EP1319799B1 (en) * 2001-12-13 2006-01-04 Services Petroliers Schlumberger Method and apparatus for completing a well
GB201003996D0 (en) * 2010-03-11 2010-04-21 Enovate Systems Ltd Well barrier

Also Published As

Publication number Publication date
GB2112041A (en) 1983-07-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee