GB2330164B - Methods of controlling downhole hydraulic activation circuits - Google Patents

Methods of controlling downhole hydraulic activation circuits

Info

Publication number
GB2330164B
GB2330164B GB9827087A GB9827087A GB2330164B GB 2330164 B GB2330164 B GB 2330164B GB 9827087 A GB9827087 A GB 9827087A GB 9827087 A GB9827087 A GB 9827087A GB 2330164 B GB2330164 B GB 2330164B
Authority
GB
United Kingdom
Prior art keywords
methods
downhole hydraulic
activation circuits
hydraulic activation
controlling 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.)
Expired - Lifetime
Application number
GB9827087A
Other versions
GB9827087D0 (en
GB2330164A (en
Inventor
Klaus B Huber
A Glen Edwards
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.)
Schlumberger Ltd USA
Original Assignee
Schlumberger Ltd USA
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 US08/760,391 external-priority patent/US5979561A/en
Application filed by Schlumberger Ltd USA filed Critical Schlumberger Ltd USA
Publication of GB9827087D0 publication Critical patent/GB9827087D0/en
Publication of GB2330164A publication Critical patent/GB2330164A/en
Application granted granted Critical
Publication of GB2330164B publication Critical patent/GB2330164B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/11—Perforators; Permeators
    • E21B43/116—Gun or shaped-charge perforators
    • E21B43/1185—Ignition systems
    • E21B43/11852—Ignition systems hydraulically actuated
    • 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
    • E21B34/063—Valve or closure with destructible element, e.g. frangible disc
    • 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
    • E21B34/102—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for locking the closing element in open or closed position

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)
GB9827087A 1996-12-04 1997-11-28 Methods of controlling downhole hydraulic activation circuits Expired - Lifetime GB2330164B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/760,391 US5979561A (en) 1996-12-04 1996-12-04 Downhole activation circuit valving
GB9725110A GB2320043B (en) 1996-12-04 1997-11-28 Downhole activation circuit valving

Publications (3)

Publication Number Publication Date
GB9827087D0 GB9827087D0 (en) 1999-02-03
GB2330164A GB2330164A (en) 1999-04-14
GB2330164B true GB2330164B (en) 1999-09-29

Family

ID=26312671

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9827087A Expired - Lifetime GB2330164B (en) 1996-12-04 1997-11-28 Methods of controlling downhole hydraulic activation circuits

Country Status (1)

Country Link
GB (1) GB2330164B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12123281B2 (en) 2022-03-18 2024-10-22 Torsch Inc. Barrier member

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318126A (en) * 1992-03-26 1994-06-07 Schlumberger Technology Corporation Explosively opened production valve including a frangible breakup element operated by tubing pressure or rathole pressure or both

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318126A (en) * 1992-03-26 1994-06-07 Schlumberger Technology Corporation Explosively opened production valve including a frangible breakup element operated by tubing pressure or rathole pressure or both

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12123281B2 (en) 2022-03-18 2024-10-22 Torsch Inc. Barrier member

Also Published As

Publication number Publication date
GB9827087D0 (en) 1999-02-03
GB2330164A (en) 1999-04-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20171127