GB2461432B - Method for operating surface controlled sub-surface safety valve in a well - Google Patents

Method for operating surface controlled sub-surface safety valve in a well

Info

Publication number
GB2461432B
GB2461432B GB0917053A GB0917053A GB2461432B GB 2461432 B GB2461432 B GB 2461432B GB 0917053 A GB0917053 A GB 0917053A GB 0917053 A GB0917053 A GB 0917053A GB 2461432 B GB2461432 B GB 2461432B
Authority
GB
United Kingdom
Prior art keywords
well
safety valve
controlled sub
operating surface
operating
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
GB0917053A
Other versions
GB2461432A (en
GB0917053D0 (en
Inventor
Roddy S Smith
Richard C Jones
Stuart M Dennistoun
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.)
Weatherford Lamb Inc
Original Assignee
Weatherford Lamb 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
Priority claimed from US11/841,511 external-priority patent/US7878252B2/en
Application filed by Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Publication of GB0917053D0 publication Critical patent/GB0917053D0/en
Publication of GB2461432A publication Critical patent/GB2461432A/en
Application granted granted Critical
Publication of GB2461432B publication Critical patent/GB2461432B/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
    • 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

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)
  • Fluid-Pressure Circuits (AREA)
GB0917053A 2007-08-20 2009-09-29 Method for operating surface controlled sub-surface safety valve in a well Expired - Fee Related GB2461432B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/841,511 US7878252B2 (en) 2007-08-20 2007-08-20 Dual control line system and method for operating surface controlled sub-surface safety valve in a well
GB0810130A GB2452115B (en) 2007-08-20 2008-06-04 Dual control line system and method for operating surface controlled sub-surface safety valve in a well

Publications (3)

Publication Number Publication Date
GB0917053D0 GB0917053D0 (en) 2009-11-11
GB2461432A GB2461432A (en) 2010-01-06
GB2461432B true GB2461432B (en) 2010-03-24

Family

ID=41404172

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0917053A Expired - Fee Related GB2461432B (en) 2007-08-20 2009-09-29 Method for operating surface controlled sub-surface safety valve in a well

Country Status (1)

Country Link
GB (1) GB2461432B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1241322A1 (en) * 2001-03-14 2002-09-18 Halliburton Energy Services, Inc. Method of controlling a subsurface well tool
GB2419363A (en) * 2004-10-20 2006-04-26 Schlumberger Holdings Subsurface safety valve
GB2434166A (en) * 2006-01-13 2007-07-18 Schlumberger Holdings Electro-hydraulic control of variable choke valves in a multi-zone well

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1241322A1 (en) * 2001-03-14 2002-09-18 Halliburton Energy Services, Inc. Method of controlling a subsurface well tool
GB2419363A (en) * 2004-10-20 2006-04-26 Schlumberger Holdings Subsurface safety valve
GB2434166A (en) * 2006-01-13 2007-07-18 Schlumberger Holdings Electro-hydraulic control of variable choke valves in a multi-zone well

Also Published As

Publication number Publication date
GB2461432A (en) 2010-01-06
GB0917053D0 (en) 2009-11-11

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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)

Free format text: REGISTERED BETWEEN 20151029 AND 20151104

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170604