GB2435375C - Improved valve - Google Patents

Improved valve Download PDF

Info

Publication number
GB2435375C
GB2435375C GB0709293A GB0709293A GB2435375C GB 2435375 C GB2435375 C GB 2435375C GB 0709293 A GB0709293 A GB 0709293A GB 0709293 A GB0709293 A GB 0709293A GB 2435375 C GB2435375 C GB 2435375C
Authority
GB
United Kingdom
Prior art keywords
improved valve
valve
improved
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
GB0709293A
Other versions
GB2435375A (en
GB2435375B (en
GB0709293D0 (en
Inventor
Frederick Duguid Mckay
Colin Alexander Black
Gareth Edward George Brown
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.)
Hunting Cromar Ltd
Original Assignee
Hunting Cromar Ltd
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 GB0425117A external-priority patent/GB0425117D0/en
Priority claimed from GB0512994A external-priority patent/GB0512994D0/en
Application filed by Hunting Cromar Ltd filed Critical Hunting Cromar Ltd
Publication of GB0709293D0 publication Critical patent/GB0709293D0/en
Publication of GB2435375A publication Critical patent/GB2435375A/en
Application granted granted Critical
Publication of GB2435375C publication Critical patent/GB2435375C/en
Publication of GB2435375B publication Critical patent/GB2435375B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/02—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground by explosives or by thermal or chemical means
    • 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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/04—Cutting of wire lines or the like
    • 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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/08—Cutting or deforming pipes to control fluid flow
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
    • E21B33/061—Ram-type blow-out preventers, e.g. with pivoting rams

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Actuator (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Lift Valve (AREA)
  • Taps Or Cocks (AREA)
GB0709293A 2004-11-13 2005-11-14 Improved valve Expired - Fee Related GB2435375B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0425117A GB0425117D0 (en) 2004-11-13 2004-11-13 Improved valve
US11/070,114 US7510002B2 (en) 2004-11-13 2005-03-02 Apparatus and method for sealing a wellbore
GB0512994A GB0512994D0 (en) 2005-06-25 2005-06-25 Device for cutting a downhole object
PCT/GB2005/004366 WO2006051317A1 (en) 2004-11-13 2005-11-14 Improved valve

Publications (4)

Publication Number Publication Date
GB0709293D0 GB0709293D0 (en) 2007-06-20
GB2435375A GB2435375A (en) 2007-08-22
GB2435375C true GB2435375C (en) 2009-01-07
GB2435375B GB2435375B (en) 2009-01-07

Family

ID=35822049

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0709293A Expired - Fee Related GB2435375B (en) 2004-11-13 2005-11-14 Improved valve
GB0709283A Withdrawn GB2434821A (en) 2004-11-13 2007-05-15 Device for cutting a downhole object

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0709283A Withdrawn GB2434821A (en) 2004-11-13 2007-05-15 Device for cutting a downhole object

Country Status (3)

Country Link
EP (2) EP1812680B1 (en)
GB (2) GB2435375B (en)
WO (2) WO2006051317A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9316080B2 (en) 2012-08-02 2016-04-19 Hydril USA Distribution LLC Torsional shearing of oilfield tubulars
GB201320357D0 (en) 2013-11-18 2014-01-01 Spex Services Ltd Improved closure apparatus
CN108397152B (en) * 2018-03-26 2024-02-13 杨颖辉 Enclosed oil pipe external cutting device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2313177A (en) * 1940-12-03 1943-03-09 Regan Forge & Eng Co Blowout preventer and valve
US3561723A (en) * 1968-05-07 1971-02-09 Edward T Cugini Stripping and blow-out preventer device
US3589667A (en) * 1969-02-20 1971-06-29 Hydril Co Combination well blowout preventer
NO173200C (en) * 1991-07-24 1993-11-10 Jakob Olsen CLOSING VALVE
US5284209A (en) * 1992-08-19 1994-02-08 Halliburton Company Coiled tubing cutting modification
GB2286840B (en) * 1994-02-10 1997-09-03 Fmc Corp Safety valve for horizontal tree
US6152229A (en) * 1998-08-24 2000-11-28 Abb Vetco Gray Inc. Subsea dual in-line ball valves
US6763753B1 (en) * 2000-10-06 2004-07-20 Baker Hughes Incorporated Hydraulic wireline cutter

Also Published As

Publication number Publication date
GB0709283D0 (en) 2007-06-20
WO2006051317A1 (en) 2006-05-18
GB2435375A (en) 2007-08-22
EP1812680B1 (en) 2010-01-13
GB2435375B (en) 2009-01-07
GB0709293D0 (en) 2007-06-20
GB2434821A (en) 2007-08-08
WO2006051324A1 (en) 2006-05-18
EP1812680A1 (en) 2007-08-01
EP1812679A1 (en) 2007-08-01

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Legal Events

Date Code Title Description
S27 Amendment of specification after grant (sect. 27/patents act 1977)

Free format text: APPLICATION FILED; APPLICATION TO AMEND SPECIFICATION UNDER SECTION 27 FILED ON 17 MARCH 2009

S27 Amendment of specification after grant (sect. 27/patents act 1977)

Free format text: SPECIFICATION AMENDED; APPLICATION FOR AMENDMENT UNDER SECTION 27 FILED ON 17 MARCH 2009, ALLOWED ON 26 NOVEMBER 2009

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20161114