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GB2316425B - Downhole valve actuation - Google Patents

Downhole valve actuation

Info

Publication number
GB2316425B
GB2316425B GB9717214A GB9717214A GB2316425B GB 2316425 B GB2316425 B GB 2316425B GB 9717214 A GB9717214 A GB 9717214A GB 9717214 A GB9717214 A GB 9717214A GB 2316425 B GB2316425 B GB 2316425B
Authority
GB
United Kingdom
Prior art keywords
valve actuation
downhole valve
downhole
actuation
valve
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
GB9717214A
Other versions
GB9717214D0 (en
GB2316425A (en
Inventor
Vernon Edward Marks
Bernard Charles Egbert Pazzard
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.)
Kvaerner Oil and Gas Ltd
Original Assignee
Kvaerner Oil and Gas 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 Kvaerner Oil and Gas Ltd filed Critical Kvaerner Oil and Gas Ltd
Publication of GB9717214D0 publication Critical patent/GB9717214D0/en
Publication of GB2316425A publication Critical patent/GB2316425A/en
Application granted granted Critical
Publication of GB2316425B publication Critical patent/GB2316425B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/02—Equipment or details not covered by groups E21B15/00 - E21B40/00 in situ inhibition of corrosion in 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
    • 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)
GB9717214A 1996-08-15 1997-08-14 Downhole valve actuation Expired - Fee Related GB2316425B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9617177.2A GB9617177D0 (en) 1996-08-15 1996-08-15 Downhole valve actuation

Publications (3)

Publication Number Publication Date
GB9717214D0 GB9717214D0 (en) 1997-10-22
GB2316425A GB2316425A (en) 1998-02-25
GB2316425B true GB2316425B (en) 2000-07-12

Family

ID=10798539

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9617177.2A Pending GB9617177D0 (en) 1996-08-15 1996-08-15 Downhole valve actuation
GB9717214A Expired - Fee Related GB2316425B (en) 1996-08-15 1997-08-14 Downhole valve actuation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9617177.2A Pending GB9617177D0 (en) 1996-08-15 1996-08-15 Downhole valve actuation

Country Status (1)

Country Link
GB (2) GB9617177D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6702025B2 (en) * 2002-02-11 2004-03-09 Halliburton Energy Services, Inc. Hydraulic control assembly for actuating a hydraulically controllable downhole device and method for use of same
GB2427573B (en) * 2004-03-01 2007-11-21 Kvaerner Process Systems As Removal of particulate matter from a flow stream
CN104470939B (en) 2012-05-22 2017-04-26 埃迪尼克斯医药有限责任公司 D-amino acid compounds for liver disease
EA030189B8 (en) 2012-10-08 2018-10-31 Иденикс Фармасьютикалз Ллс 2'-chloro nucleoside analogs for hcv infection
CN105986781A (en) * 2015-03-04 2016-10-05 中国石油天然气股份有限公司 Wellhead safety treatment device
CN104879092A (en) * 2015-06-03 2015-09-02 大庆福特泰科技有限公司 Oil well effluent liquid backfilling device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2135951A1 (en) * 1994-11-16 1996-05-17 Clarence W. Johnson Safety valve controller method and apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2135951A1 (en) * 1994-11-16 1996-05-17 Clarence W. Johnson Safety valve controller method and apparatus

Also Published As

Publication number Publication date
GB9717214D0 (en) 1997-10-22
GB2316425A (en) 1998-02-25
GB9617177D0 (en) 1996-09-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010814