DE69835778D1 - Bohrsystem mit exzentrischem Stabilisator mit einstellbarem Durchmesser der Flügel - Google Patents

Bohrsystem mit exzentrischem Stabilisator mit einstellbarem Durchmesser der Flügel

Info

Publication number
DE69835778D1
DE69835778D1 DE69835778T DE69835778T DE69835778D1 DE 69835778 D1 DE69835778 D1 DE 69835778D1 DE 69835778 T DE69835778 T DE 69835778T DE 69835778 T DE69835778 T DE 69835778T DE 69835778 D1 DE69835778 D1 DE 69835778D1
Authority
DE
Germany
Prior art keywords
wings
drilling system
adjustable diameter
eccentric stabilizer
eccentric
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
DE69835778T
Other languages
English (en)
Other versions
DE69835778T2 (de
Inventor
Jay M Eppink
David E Rios-Aleman
Albert C Odell
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.)
Halliburton Energy Services Inc
Original Assignee
Halliburton Energy Services Inc
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 Halliburton Energy Services Inc filed Critical Halliburton Energy Services Inc
Application granted granted Critical
Publication of DE69835778D1 publication Critical patent/DE69835778D1/de
Publication of DE69835778T2 publication Critical patent/DE69835778T2/de
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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/064—Deflecting the direction of boreholes specially adapted drill bits therefor
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
DE69835778T 1997-12-04 1998-12-03 Bohrsystem mit exzentrischem Stabilisator mit einstellbarem Durchmesser der Flügel Expired - Fee Related DE69835778T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US984846 1997-12-04
US08/984,846 US6213226B1 (en) 1997-12-04 1997-12-04 Directional drilling assembly and method

Publications (2)

Publication Number Publication Date
DE69835778D1 true DE69835778D1 (de) 2006-10-12
DE69835778T2 DE69835778T2 (de) 2007-10-18

Family

ID=25530933

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69835778T Expired - Fee Related DE69835778T2 (de) 1997-12-04 1998-12-03 Bohrsystem mit exzentrischem Stabilisator mit einstellbarem Durchmesser der Flügel
DE69837411T Expired - Fee Related DE69837411T2 (de) 1997-12-04 1998-12-03 Bohrsystem mit exzentrischem Stabilisator mit einstellbarem Durchmesser der Flügel
DE69829586T Expired - Fee Related DE69829586T2 (de) 1997-12-04 1998-12-03 Bohrsystem mit stabilisator mit exzentrischem blatt einstellbaren durchmessers

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69837411T Expired - Fee Related DE69837411T2 (de) 1997-12-04 1998-12-03 Bohrsystem mit exzentrischem Stabilisator mit einstellbarem Durchmesser der Flügel
DE69829586T Expired - Fee Related DE69829586T2 (de) 1997-12-04 1998-12-03 Bohrsystem mit stabilisator mit exzentrischem blatt einstellbaren durchmessers

Country Status (5)

Country Link
US (4) US6213226B1 (de)
EP (3) EP1398455B1 (de)
DE (3) DE69835778T2 (de)
NO (1) NO323571B1 (de)
WO (1) WO1999028587A1 (de)

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DE69829586T2 (de) 2006-02-09
EP1044314A4 (de) 2001-04-11
DE69835778T2 (de) 2007-10-18
DE69837411D1 (de) 2007-05-03
DE69829586D1 (de) 2005-05-04
EP1044314B1 (de) 2005-03-30
NO20002791D0 (no) 2000-05-31
EP1398455B1 (de) 2006-08-30
NO20002791L (no) 2000-08-02
NO323571B1 (no) 2007-06-11
DE69837411T2 (de) 2007-11-29
EP1405983A3 (de) 2004-06-16
EP1044314A1 (de) 2000-10-18
US6213226B1 (en) 2001-04-10
EP1398455A3 (de) 2004-06-16
EP1398455A2 (de) 2004-03-17
EP1405983B1 (de) 2007-03-21
WO1999028587A1 (en) 1999-06-10
EP1405983A2 (de) 2004-04-07
US6227312B1 (en) 2001-05-08
US6488104B1 (en) 2002-12-03
US6494272B1 (en) 2002-12-17

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