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DE69700771D1 - Leitvorrichtung um Abzweigungen von einem Hauptbohrloch zu bewerkstelligen - Google Patents

Leitvorrichtung um Abzweigungen von einem Hauptbohrloch zu bewerkstelligen

Info

Publication number
DE69700771D1
DE69700771D1 DE69700771T DE69700771T DE69700771D1 DE 69700771 D1 DE69700771 D1 DE 69700771D1 DE 69700771 T DE69700771 T DE 69700771T DE 69700771 T DE69700771 T DE 69700771T DE 69700771 D1 DE69700771 D1 DE 69700771D1
Authority
DE
Germany
Prior art keywords
guide device
main borehole
make branches
branches
make
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
DE69700771T
Other languages
English (en)
Other versions
DE69700771T2 (de
Inventor
Herve Ohmer
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.)
Anadrill International SA
Original Assignee
Services Petroliers Schlumberger SA
Anadrill International SA
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 Services Petroliers Schlumberger SA, Anadrill International SA filed Critical Services Petroliers Schlumberger SA
Publication of DE69700771D1 publication Critical patent/DE69700771D1/de
Application granted granted Critical
Publication of DE69700771T2 publication Critical patent/DE69700771T2/de
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
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • E21B43/105—Expanding tools specially adapted 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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0035—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches
    • E21B41/0042—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches characterised by sealing the junction between a lateral and a main bore
    • 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
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock

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)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
DE69700771T 1996-07-30 1997-07-29 Leitvorrichtung um Abzweigungen von einem Hauptbohrloch zu bewerkstelligen Expired - Lifetime DE69700771T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2278196P 1996-07-30 1996-07-30
US08/898,700 US6056059A (en) 1996-03-11 1997-07-24 Apparatus and method for establishing branch wells from a parent well

Publications (2)

Publication Number Publication Date
DE69700771D1 true DE69700771D1 (de) 1999-12-16
DE69700771T2 DE69700771T2 (de) 2000-06-15

Family

ID=26696363

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69700771T Expired - Lifetime DE69700771T2 (de) 1996-07-30 1997-07-29 Leitvorrichtung um Abzweigungen von einem Hauptbohrloch zu bewerkstelligen

Country Status (4)

Country Link
US (6) US6056059A (de)
EP (1) EP0823534B1 (de)
DE (1) DE69700771T2 (de)
NO (1) NO313646B1 (de)

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US6557628B2 (en) 2003-05-06
US20020014333A1 (en) 2002-02-07
US20020014332A1 (en) 2002-02-07
NO973481D0 (no) 1997-07-29
EP0823534A1 (de) 1998-02-11
US6491101B2 (en) 2002-12-10
NO313646B1 (no) 2002-11-04
US6349769B1 (en) 2002-02-26
US6056059A (en) 2000-05-02
DE69700771T2 (de) 2000-06-15
US6554063B2 (en) 2003-04-29
US20020053437A1 (en) 2002-05-09
EP0823534B1 (de) 1999-11-10
US6247532B1 (en) 2001-06-19

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