GB2426771B - Retrofit safety valve - Google Patents

Retrofit safety valve

Info

Publication number
GB2426771B
GB2426771B GB0603506A GB0603506A GB2426771B GB 2426771 B GB2426771 B GB 2426771B GB 0603506 A GB0603506 A GB 0603506A GB 0603506 A GB0603506 A GB 0603506A GB 2426771 B GB2426771 B GB 2426771B
Authority
GB
United Kingdom
Prior art keywords
safety valve
retrofit safety
retrofit
valve
safety
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.)
Active
Application number
GB0603506A
Other versions
GB0603506D0 (en
GB2426771A (en
Inventor
Mark Buyers
David Forsyth
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.)
Omega Completion Technology Ltd
Original Assignee
Omega Completion Technology 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
Application filed by Omega Completion Technology Ltd filed Critical Omega Completion Technology Ltd
Publication of GB0603506D0 publication Critical patent/GB0603506D0/en
Publication of GB2426771A publication Critical patent/GB2426771A/en
Priority to GB0916979A priority Critical patent/GB2461431B/en
Application granted granted Critical
Publication of GB2426771B publication Critical patent/GB2426771B/en
Active 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
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/02—Valve arrangements for boreholes or wells in well heads
    • 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

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)
  • Earth Drilling (AREA)
GB0603506A 2005-02-22 2006-02-22 Retrofit safety valve Active GB2426771B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0916979A GB2461431B (en) 2005-02-22 2009-09-29 Retrofit safety valve and wellhead insert

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0503615.7A GB0503615D0 (en) 2005-02-22 2005-02-22 Retrofit safety valve and wellhead insert

Publications (3)

Publication Number Publication Date
GB0603506D0 GB0603506D0 (en) 2006-04-05
GB2426771A GB2426771A (en) 2006-12-06
GB2426771B true GB2426771B (en) 2010-01-06

Family

ID=34401103

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0503615.7A Ceased GB0503615D0 (en) 2005-02-22 2005-02-22 Retrofit safety valve and wellhead insert
GB0603506A Active GB2426771B (en) 2005-02-22 2006-02-22 Retrofit safety valve

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0503615.7A Ceased GB0503615D0 (en) 2005-02-22 2005-02-22 Retrofit safety valve and wellhead insert

Country Status (1)

Country Link
GB (2) GB0503615D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101660559B1 (en) 2009-02-26 2016-09-27 우베 고산 가부시키가이샤 Aqueous polyurethane resin dispersion and manufacturing method thereof
EP2568108B1 (en) * 2011-09-06 2014-05-28 Vetco Gray Inc. A control system for a subsea well
CN103266866A (en) * 2013-03-01 2013-08-28 中国石油天然气股份有限公司 Key needle tube type anti-theft anti-freezing sampling valve

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763933A (en) * 1971-04-06 1973-10-09 Hydril Co Retrievable safety valve
EP0634560A1 (en) * 1993-07-12 1995-01-18 Cooper Cameron Corporation Downhole safety valve
US6095250A (en) * 1998-07-27 2000-08-01 Marathon Oil Company Subsurface safety valve assembly for remedial deployment in a hydrocarbon production well
US20030234104A1 (en) * 2002-06-24 2003-12-25 Johnston Russell A. Apparatus and methods for establishing secondary hydraulics in a downhole tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763933A (en) * 1971-04-06 1973-10-09 Hydril Co Retrievable safety valve
EP0634560A1 (en) * 1993-07-12 1995-01-18 Cooper Cameron Corporation Downhole safety valve
US6095250A (en) * 1998-07-27 2000-08-01 Marathon Oil Company Subsurface safety valve assembly for remedial deployment in a hydrocarbon production well
US20030234104A1 (en) * 2002-06-24 2003-12-25 Johnston Russell A. Apparatus and methods for establishing secondary hydraulics in a downhole tool

Also Published As

Publication number Publication date
GB0603506D0 (en) 2006-04-05
GB2426771A (en) 2006-12-06
GB0503615D0 (en) 2005-03-30

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