DE69719147T2 - Bohrlochwerkzeuge mit mindestens einem Bohrlochwandkontaktelement - Google Patents

Bohrlochwerkzeuge mit mindestens einem Bohrlochwandkontaktelement

Info

Publication number
DE69719147T2
DE69719147T2 DE69719147T DE69719147T DE69719147T2 DE 69719147 T2 DE69719147 T2 DE 69719147T2 DE 69719147 T DE69719147 T DE 69719147T DE 69719147 T DE69719147 T DE 69719147T DE 69719147 T2 DE69719147 T2 DE 69719147T2
Authority
DE
Germany
Prior art keywords
borehole
contact element
tools
wall contact
borehole wall
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
DE69719147T
Other languages
English (en)
Other versions
DE69719147D1 (de
Inventor
Mark Colebrook
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.)
Camco Drilling Group Ltd
Original Assignee
Camco Drilling Group 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 Camco Drilling Group Ltd filed Critical Camco Drilling Group Ltd
Application granted granted Critical
Publication of DE69719147D1 publication Critical patent/DE69719147D1/de
Publication of DE69719147T2 publication Critical patent/DE69719147T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling

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)
DE69719147T 1996-11-06 1997-11-04 Bohrlochwerkzeuge mit mindestens einem Bohrlochwandkontaktelement Expired - Lifetime DE69719147T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9623032A GB2322651B (en) 1996-11-06 1996-11-06 A downhole unit for use in boreholes in a subsurface formation

Publications (2)

Publication Number Publication Date
DE69719147D1 DE69719147D1 (de) 2003-03-27
DE69719147T2 true DE69719147T2 (de) 2003-10-23

Family

ID=10802478

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69719147T Expired - Lifetime DE69719147T2 (de) 1996-11-06 1997-11-04 Bohrlochwerkzeuge mit mindestens einem Bohrlochwandkontaktelement

Country Status (4)

Country Link
US (1) US5971085A (de)
EP (1) EP0841462B1 (de)
DE (1) DE69719147T2 (de)
GB (1) GB2322651B (de)

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US9103175B2 (en) 2012-07-30 2015-08-11 Baker Hughes Incorporated Drill bit with hydraulically-activated force application device for controlling depth-of-cut of the drill bit
US9140074B2 (en) * 2012-07-30 2015-09-22 Baker Hughes Incorporated Drill bit with a force application device using a lever device for controlling extension of a pad from a drill bit surface
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CN108278081B (zh) 2017-01-05 2020-05-22 通用电气公司 基于不平衡力测量进行控制的旋转导向钻井系统和方法
CN108278082B (zh) * 2017-01-05 2019-09-13 通用电气公司 具有主动型稳定器的旋转导向钻井系统
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Also Published As

Publication number Publication date
EP0841462B1 (de) 2003-02-19
GB2322651B (en) 2000-09-20
DE69719147D1 (de) 2003-03-27
EP0841462A3 (de) 1999-01-20
GB2322651A (en) 1998-09-02
US5971085A (en) 1999-10-26
GB9623032D0 (en) 1997-01-08
EP0841462A2 (de) 1998-05-13

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