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AU2923092A - Downhole tool - Google Patents

Downhole tool

Info

Publication number
AU2923092A
AU2923092A AU29230/92A AU2923092A AU2923092A AU 2923092 A AU2923092 A AU 2923092A AU 29230/92 A AU29230/92 A AU 29230/92A AU 2923092 A AU2923092 A AU 2923092A AU 2923092 A AU2923092 A AU 2923092A
Authority
AU
Australia
Prior art keywords
downhole tool
downhole
tool
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.)
Abandoned
Application number
AU29230/92A
Inventor
Robert Patrick Appleton
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
Publication of AU2923092A publication Critical patent/AU2923092A/en
Abandoned 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
    • 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)
AU29230/92A 1991-11-18 1992-11-16 Downhole tool Abandoned AU2923092A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9124486 1991-11-18
GB919124486A GB9124486D0 (en) 1991-11-18 1991-11-18 Downhole tools(wells)

Publications (1)

Publication Number Publication Date
AU2923092A true AU2923092A (en) 1993-06-15

Family

ID=10704826

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29230/92A Abandoned AU2923092A (en) 1991-11-18 1992-11-16 Downhole tool

Country Status (3)

Country Link
AU (1) AU2923092A (en)
GB (1) GB9124486D0 (en)
WO (1) WO1993010328A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5609178A (en) * 1995-09-28 1997-03-11 Baker Hughes Incorporated Pressure-actuated valve and method
US5813460A (en) * 1996-06-03 1998-09-29 Halliburton Energy Services, Inc. Formation evaluation tool and method for use of the same
CN101769140B (en) * 2010-01-07 2013-06-05 西安石油大学 Device for displacing oil underground, preventing reflow and automatically relieving pressure

Family Cites Families (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
US4403659A (en) * 1981-04-13 1983-09-13 Schlumberger Technology Corporation Pressure controlled reversing valve
US4718494A (en) * 1985-12-30 1988-01-12 Schlumberger Technology Corporation Methods and apparatus for selectively controlling fluid communication between a pipe string and a well bore annulus
US4714116A (en) * 1986-09-11 1987-12-22 Brunner Travis J Downhole safety valve operable by differential pressure
US4749044A (en) * 1987-02-03 1988-06-07 J. B. Deilling Co. Apparatus for washover featuring controllable circulating valve
FR2641320B1 (en) * 1988-12-30 1991-05-03 Inst Francais Du Petrole REMOTE EQUIPMENT OPERATION DEVICE COMPRISING A NEEDLE-NEEDLE SYSTEM
US5010955A (en) * 1990-05-29 1991-04-30 Smith International, Inc. Casing mill and method

Also Published As

Publication number Publication date
WO1993010328A1 (en) 1993-05-27
GB9124486D0 (en) 1992-01-08

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