NO305712B1 - FremgangsmÕte og anordning for Õ skaffe adgang for en gjenstand til enten et hovedborehull eller et grenborehull - Google Patents

FremgangsmÕte og anordning for Õ skaffe adgang for en gjenstand til enten et hovedborehull eller et grenborehull

Info

Publication number
NO305712B1
NO305712B1 NO941241A NO941241A NO305712B1 NO 305712 B1 NO305712 B1 NO 305712B1 NO 941241 A NO941241 A NO 941241A NO 941241 A NO941241 A NO 941241A NO 305712 B1 NO305712 B1 NO 305712B1
Authority
NO
Norway
Prior art keywords
borehole
obtaining access
branch
main
main borehole
Prior art date
Application number
NO941241A
Other languages
English (en)
Norwegian (no)
Other versions
NO941241L (no
NO941241D0 (no
Inventor
Mark W Brockman
L Cameron White
Douglas James Murray
Jeffrey D Cockrell
Robert J Mcnair
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 NO941241D0 publication Critical patent/NO941241D0/no
Publication of NO941241L publication Critical patent/NO941241L/no
Publication of NO305712B1 publication Critical patent/NO305712B1/no

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)
NO941241A 1992-08-07 1994-04-06 FremgangsmÕte og anordning for Õ skaffe adgang for en gjenstand til enten et hovedborehull eller et grenborehull NO305712B1 (no)

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 (3)

Publication Number Publication Date
NO941241D0 NO941241D0 (no) 1994-04-06
NO941241L NO941241L (no) 1994-06-01
NO305712B1 true NO305712B1 (no) 1999-07-12

Family

ID=25454915

Family Applications (1)

Application Number Title Priority Date Filing Date
NO941241A NO305712B1 (no) 1992-08-07 1994-04-06 FremgangsmÕte og anordning for Õ skaffe adgang for en gjenstand til enten et hovedborehull eller et grenborehull

Country Status (9)

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

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Also Published As

Publication number Publication date
GB9406261D0 (en) 1994-06-08
AU4804693A (en) 1994-03-03
DE4393856T1 (de) 1994-11-10
NO941241L (no) 1994-06-01
NL9320010A (nl) 1994-11-01
US5318121A (en) 1994-06-07
WO1994003698A1 (en) 1994-02-17
DK39194A (da) 1994-06-06
NO941241D0 (no) 1994-04-06
CA2120365A1 (en) 1994-02-17
GB2274863B (en) 1997-01-22
AU663276B2 (en) 1995-09-28
CA2120365C (en) 2005-11-01
GB2274863A (en) 1994-08-10

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