DE4393856T1 - Verfahren und Vorrichtung zum Positionieren und Wiederbetreten eines oder mehrerer horizontaler Schächte unter Verwendung von Richtkeilen - Google Patents

Verfahren und Vorrichtung zum Positionieren und Wiederbetreten eines oder mehrerer horizontaler Schächte unter Verwendung von Richtkeilen

Info

Publication number
DE4393856T1
DE4393856T1 DE4393856T DE4393856T DE4393856T1 DE 4393856 T1 DE4393856 T1 DE 4393856T1 DE 4393856 T DE4393856 T DE 4393856T DE 4393856 T DE4393856 T DE 4393856T DE 4393856 T1 DE4393856 T1 DE 4393856T1
Authority
DE
Germany
Prior art keywords
wedges
directional
entering
positioning
horizontal shafts
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.)
Withdrawn
Application number
DE4393856T
Other languages
English (en)
Inventor
Mark W Brockman
L Cameron White
Douglas J Murray
Jeffrey D Cockrell
Robert J Mcnair
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes 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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of DE4393856T1 publication Critical patent/DE4393856T1/de
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
DE4393856T 1992-08-07 1993-08-06 Verfahren und Vorrichtung zum Positionieren und Wiederbetreten eines oder mehrerer horizontaler Schächte unter Verwendung von Richtkeilen Withdrawn DE4393856T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/927,567 US5318121A (en) 1992-08-07 1992-08-07 Method and apparatus for locating and re-entering one or more horizontal wells using whipstock with sealable bores
PCT/US1993/007419 WO1994003698A1 (en) 1992-08-07 1993-08-06 Method and apparatus for locating and re-entering one or more horizontal wells using whipstocks

Publications (1)

Publication Number Publication Date
DE4393856T1 true DE4393856T1 (de) 1994-11-10

Family

ID=25454915

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4393856T Withdrawn DE4393856T1 (de) 1992-08-07 1993-08-06 Verfahren und Vorrichtung zum Positionieren und Wiederbetreten eines oder mehrerer horizontaler Schächte unter Verwendung von Richtkeilen

Country Status (9)

Country Link
US (1) US5318121A (de)
AU (1) AU663276B2 (de)
CA (1) CA2120365C (de)
DE (1) DE4393856T1 (de)
DK (1) DK39194A (de)
GB (1) GB2274863B (de)
NL (1) NL9320010A (de)
NO (1) NO305712B1 (de)
WO (1) WO1994003698A1 (de)

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Also Published As

Publication number Publication date
AU4804693A (en) 1994-03-03
GB2274863A (en) 1994-08-10
CA2120365A1 (en) 1994-02-17
NO305712B1 (no) 1999-07-12
GB2274863B (en) 1997-01-22
NO941241L (no) 1994-06-01
WO1994003698A1 (en) 1994-02-17
US5318121A (en) 1994-06-07
NL9320010A (nl) 1994-11-01
AU663276B2 (en) 1995-09-28
GB9406261D0 (en) 1994-06-08
NO941241D0 (no) 1994-04-06
CA2120365C (en) 2005-11-01
DK39194A (da) 1994-06-06

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