GB0909856D0 - System and method for maintaining operability of a downhole actuator - Google Patents

System and method for maintaining operability of a downhole actuator

Info

Publication number
GB0909856D0
GB0909856D0 GBGB0909856.7A GB0909856A GB0909856D0 GB 0909856 D0 GB0909856 D0 GB 0909856D0 GB 0909856 A GB0909856 A GB 0909856A GB 0909856 D0 GB0909856 D0 GB 0909856D0
Authority
GB
United Kingdom
Prior art keywords
downhole actuator
maintaining operability
operability
maintaining
downhole
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
GBGB0909856.7A
Other versions
GB2460931B (en
GB2460931A (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.)
Gemalto Terminals Ltd
Schlumberger Holdings Ltd
Original Assignee
Gemalto Terminals Ltd
Schlumberger Holdings 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 US12/140,368 external-priority patent/US9309735B2/en
Application filed by Gemalto Terminals Ltd, Schlumberger Holdings Ltd filed Critical Gemalto Terminals Ltd
Priority to GB0909856A priority Critical patent/GB2460931B/en
Publication of GB0909856D0 publication Critical patent/GB0909856D0/en
Publication of GB2460931A publication Critical patent/GB2460931A/en
Application granted granted Critical
Publication of GB2460931B publication Critical patent/GB2460931B/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
    • 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
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/08—Screens or liners

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)
  • Filtration Of Liquid (AREA)
GB0909856A 2008-06-17 2009-06-09 System and method for maintaining operability of a downhole actuator Expired - Fee Related GB2460931B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0909856A GB2460931B (en) 2008-06-17 2009-06-09 System and method for maintaining operability of a downhole actuator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/140,368 US9309735B2 (en) 2008-06-17 2008-06-17 System and method for maintaining operability of a downhole actuator
GB0909856A GB2460931B (en) 2008-06-17 2009-06-09 System and method for maintaining operability of a downhole actuator

Publications (3)

Publication Number Publication Date
GB0909856D0 true GB0909856D0 (en) 2009-07-22
GB2460931A GB2460931A (en) 2009-12-23
GB2460931B GB2460931B (en) 2011-02-23

Family

ID=40937080

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0909856A Expired - Fee Related GB2460931B (en) 2008-06-17 2009-06-09 System and method for maintaining operability of a downhole actuator

Country Status (1)

Country Link
GB (1) GB2460931B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286659A (en) * 1979-08-28 1981-09-01 Aztec Tools, Inc. Ball valve safety screen
US5738172A (en) * 1996-04-30 1998-04-14 Oceaneering International, Inc. Filter for fluid circuits
US20080041588A1 (en) * 2006-08-21 2008-02-21 Richards William M Inflow Control Device with Fluid Loss and Gas Production Controls

Also Published As

Publication number Publication date
GB2460931B (en) 2011-02-23
GB2460931A (en) 2009-12-23

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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 10 JANUARY 2011.

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

Free format text: APPLICATION NOT PROCEEDED WITH; APPLICATION TO AMEND UNDER SECTION 27 FILED ON 10 JANUARY 2011 NOT PROCEEDED WITH ON 28 JUNE 2011

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170609