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WO1997005759A3 - Improved downhole apparatus - Google Patents

Improved downhole apparatus Download PDF

Info

Publication number
WO1997005759A3
WO1997005759A3 PCT/GB1995/002046 GB9502046W WO9705759A3 WO 1997005759 A3 WO1997005759 A3 WO 1997005759A3 GB 9502046 W GB9502046 W GB 9502046W WO 9705759 A3 WO9705759 A3 WO 9705759A3
Authority
WO
WIPO (PCT)
Prior art keywords
configuration
valve
actuator member
moveable
downhole apparatus
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.)
Ceased
Application number
PCT/GB1995/002046
Other languages
French (fr)
Other versions
WO1997005759A2 (en
Inventor
Clive French
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU33919/95A priority Critical patent/AU3391995A/en
Publication of WO1997005759A2 publication Critical patent/WO1997005759A2/en
Publication of WO1997005759A3 publication Critical patent/WO1997005759A3/en
Anticipated expiration legal-status Critical
Ceased 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
    • E21B23/042—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion using a single piston or multiple mechanically interconnected pistons
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/127—Packers; Plugs with inflatable sleeve

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)
  • Pipe Accessories (AREA)
  • Lift Valve (AREA)
  • Details Of Valves (AREA)

Abstract

A downhole apparatus comprises: a tubular body (20); an actuator member (24) mounted on the body and moveable relative thereto by application of fluid pressure force, the actuator member being moveable from a first configuration to a second configuration; a valve (54) for controlling flow of fluid from the bore of the tubular body; and a linkage (60, 72) between the actuator member (24) and the valve (54) to permit actuation of the valve when the actuation member is in the second configuration. In use, the actuator member is preferably initially used in the first configuration and, in this configuration, the member is moveable to, for example, actuate another tool. However, if the actuator member is moved to the second configuration the movement of the member may be utilised to operate the valve, which may, for example, provide for fluid communication with one or more packers. Accordingly, the invention is useful in completions: after a string has been fully tested the actuating member may be moved to the second configuration to allow setting of a packer on the string.
PCT/GB1995/002046 1995-08-05 1995-08-31 Improved downhole apparatus Ceased WO1997005759A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU33919/95A AU3391995A (en) 1995-08-05 1995-08-31 Improved downhole apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9516114.7 1995-08-05
GBGB9516114.7A GB9516114D0 (en) 1995-08-05 1995-08-05 Improved downhole apparatus

Publications (2)

Publication Number Publication Date
WO1997005759A2 WO1997005759A2 (en) 1997-02-20
WO1997005759A3 true WO1997005759A3 (en) 1997-04-17

Family

ID=10778842

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1995/002046 Ceased WO1997005759A2 (en) 1995-08-05 1995-08-31 Improved downhole apparatus

Country Status (3)

Country Link
AU (1) AU3391995A (en)
GB (1) GB9516114D0 (en)
WO (1) WO1997005759A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6152224A (en) * 1995-08-05 2000-11-28 French; Clive John Downhole apparatus
GB9721496D0 (en) 1997-10-09 1997-12-10 Ocre Scotland Ltd Downhole valve
GB9913557D0 (en) 1999-06-10 1999-08-11 French Oilfield Services Ltd Hydraulic control assembly
CN102900394B (en) * 2011-07-25 2015-07-22 中国石油天然气集团公司 Packer capable of washing well and examining seal

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3823773A (en) * 1972-10-30 1974-07-16 Schlumberger Technology Corp Pressure controlled drill stem tester with reversing valve
EP0116443A1 (en) * 1983-02-04 1984-08-22 I.I.E. Innovation Enterprise Ltd. Down hole blow out preventer and method of use
US4712613A (en) * 1985-06-12 1987-12-15 Peder Smedvig Aksjeselskap Down-hole blow-out preventers
US4817723A (en) * 1987-07-27 1989-04-04 Halliburton Company Apparatus for retaining axial mandrel movement relative to a cylindrical housing
US5291947A (en) * 1992-06-08 1994-03-08 Atlantic Richfield Company Tubing conveyed wellbore straddle packer system
GB2272774A (en) * 1992-11-13 1994-05-25 Clive French Deep bores: completion test tool
US5396953A (en) * 1993-07-30 1995-03-14 Halliburton Company Positive circulating valve with retrievable standing valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3823773A (en) * 1972-10-30 1974-07-16 Schlumberger Technology Corp Pressure controlled drill stem tester with reversing valve
EP0116443A1 (en) * 1983-02-04 1984-08-22 I.I.E. Innovation Enterprise Ltd. Down hole blow out preventer and method of use
US4712613A (en) * 1985-06-12 1987-12-15 Peder Smedvig Aksjeselskap Down-hole blow-out preventers
US4817723A (en) * 1987-07-27 1989-04-04 Halliburton Company Apparatus for retaining axial mandrel movement relative to a cylindrical housing
US5291947A (en) * 1992-06-08 1994-03-08 Atlantic Richfield Company Tubing conveyed wellbore straddle packer system
GB2272774A (en) * 1992-11-13 1994-05-25 Clive French Deep bores: completion test tool
US5396953A (en) * 1993-07-30 1995-03-14 Halliburton Company Positive circulating valve with retrievable standing valve

Also Published As

Publication number Publication date
GB9516114D0 (en) 1995-10-04
WO1997005759A2 (en) 1997-02-20
AU3391995A (en) 1997-03-05

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