GB9214990D0 - Frangible flapper means - Google Patents

Frangible flapper means

Info

Publication number
GB9214990D0
GB9214990D0 GB929214990A GB9214990A GB9214990D0 GB 9214990 D0 GB9214990 D0 GB 9214990D0 GB 929214990 A GB929214990 A GB 929214990A GB 9214990 A GB9214990 A GB 9214990A GB 9214990 D0 GB9214990 D0 GB 9214990D0
Authority
GB
United Kingdom
Prior art keywords
flapper means
frangible flapper
frangible
flapper
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.)
Granted
Application number
GB929214990A
Other versions
GB2257185B (en
GB2257185A (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.)
Otis Engineering Corp
Original Assignee
Otis Engineering 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
Priority claimed from US07/698,449 external-priority patent/US5188182A/en
Application filed by Otis Engineering Corp filed Critical Otis Engineering Corp
Publication of GB9214990D0 publication Critical patent/GB9214990D0/en
Publication of GB2257185A publication Critical patent/GB2257185A/en
Application granted granted Critical
Publication of GB2257185B publication Critical patent/GB2257185B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B34/063Valve or closure with destructible element, e.g. frangible disc
    • 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
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/04Gravelling of wells
    • E21B43/045Crossover tools
    • 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
    • E21B2200/00Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/05Flapper 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)
  • Details Of Valves (AREA)
  • Lift Valve (AREA)
GB9214990A 1990-07-13 1992-07-14 Frangible flapper means Expired - Fee Related GB2257185B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US55210990A 1990-07-13 1990-07-13
US07/698,449 US5188182A (en) 1990-07-13 1991-05-10 System containing expendible isolation valve with frangible sealing member, seat arrangement and method for use
GB9113890A GB2245913B (en) 1990-07-13 1991-06-27 An isolation valve with frangible sealing member

Publications (3)

Publication Number Publication Date
GB9214990D0 true GB9214990D0 (en) 1992-08-26
GB2257185A GB2257185A (en) 1993-01-06
GB2257185B GB2257185B (en) 1994-09-07

Family

ID=27265735

Family Applications (3)

Application Number Title Priority Date Filing Date
GB9214990A Expired - Fee Related GB2257185B (en) 1990-07-13 1992-07-14 Frangible flapper means
GB9214991A Expired - Fee Related GB2257186B (en) 1990-07-13 1992-07-14 Method of completing and maintaining a well
GB9214992A Expired - Fee Related GB2257187B (en) 1990-07-13 1992-07-14 Gravel pack

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB9214991A Expired - Fee Related GB2257186B (en) 1990-07-13 1992-07-14 Method of completing and maintaining a well
GB9214992A Expired - Fee Related GB2257187B (en) 1990-07-13 1992-07-14 Gravel pack

Country Status (1)

Country Link
GB (3) GB2257185B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2940068C (en) 2007-04-04 2019-12-10 Weatherford Technology Holdings, LLC. Downhole deployment valves
CN108019193B (en) * 2016-11-02 2023-09-05 中国石油化工股份有限公司 Hollow measuring and adjusting integrated polymer injection device
US11459852B2 (en) * 2020-06-17 2022-10-04 Saudi Arabian Oil Company Actuating a frangible flapper reservoir isolation valve
US11542797B1 (en) 2021-09-14 2023-01-03 Saudi Arabian Oil Company Tapered multistage plunger lift with bypass sleeve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378842A (en) * 1981-02-09 1983-04-05 Otis Engineering Corporation Valve
US4691775A (en) * 1986-03-25 1987-09-08 Dresser Industries, Inc. Isolation valve with frangible flapper element
US4813481A (en) * 1987-08-27 1989-03-21 Otis Engineering Corporation Expendable flapper valve
US4846281A (en) * 1987-08-27 1989-07-11 Otis Engineering Corporation Dual flapper valve assembly

Also Published As

Publication number Publication date
GB2257185B (en) 1994-09-07
GB9214992D0 (en) 1992-08-26
GB2257187A (en) 1993-01-06
GB2257186B (en) 1994-09-07
GB9214991D0 (en) 1992-08-26
GB2257185A (en) 1993-01-06
GB2257186A (en) 1993-01-06
GB2257187B (en) 1994-09-07

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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: 19980627