DE69505523T2 - Verfahren zum bohren eines seitlichen bohrloches - Google Patents

Verfahren zum bohren eines seitlichen bohrloches

Info

Publication number
DE69505523T2
DE69505523T2 DE69505523T DE69505523T DE69505523T2 DE 69505523 T2 DE69505523 T2 DE 69505523T2 DE 69505523 T DE69505523 T DE 69505523T DE 69505523 T DE69505523 T DE 69505523T DE 69505523 T2 DE69505523 T2 DE 69505523T2
Authority
DE
Germany
Prior art keywords
drilling
side hole
hole
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
DE69505523T
Other languages
English (en)
Other versions
DE69505523D1 (de
Inventor
Michael Smith
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.)
Atlantic Richfield Co
Original Assignee
Atlantic Richfield Co
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 Atlantic Richfield Co filed Critical Atlantic Richfield Co
Publication of DE69505523D1 publication Critical patent/DE69505523D1/de
Application granted granted Critical
Publication of DE69505523T2 publication Critical patent/DE69505523T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0035Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/30Specific pattern of wells, e.g. optimizing the spacing of wells
    • E21B43/305Specific pattern of wells, e.g. optimizing the spacing of wells comprising at least one inclined or horizontal well
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling
    • E21B7/06Deflecting the direction of boreholes
    • E21B7/061Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
DE69505523T 1994-05-25 1995-05-10 Verfahren zum bohren eines seitlichen bohrloches Expired - Fee Related DE69505523T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08248972 US5435400B1 (en) 1994-05-25 1994-05-25 Lateral well drilling
PCT/GB1995/001047 WO1995032353A1 (en) 1994-05-25 1995-05-10 Lateral drilling method

Publications (2)

Publication Number Publication Date
DE69505523D1 DE69505523D1 (de) 1998-11-26
DE69505523T2 true DE69505523T2 (de) 1999-05-20

Family

ID=22941491

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69505523T Expired - Fee Related DE69505523T2 (de) 1994-05-25 1995-05-10 Verfahren zum bohren eines seitlichen bohrloches

Country Status (6)

Country Link
US (1) US5435400B1 (de)
EP (1) EP0760895B1 (de)
CA (1) CA2191076A1 (de)
DE (1) DE69505523T2 (de)
NO (1) NO964942L (de)
WO (1) WO1995032353A1 (de)

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WO2002086278A1 (en) * 2001-04-23 2002-10-31 Shell Internationale Research Maatschappij B.V. Method of drilling an ultra-short radius borehole
US6419020B1 (en) * 2001-04-24 2002-07-16 Ben Spingath Hydraulic drilling method and system for forming radial drain holes in underground oil and gas bearing formations
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Also Published As

Publication number Publication date
US5435400A (en) 1995-07-25
NO964942D0 (no) 1996-11-21
WO1995032353A1 (en) 1995-11-30
CA2191076A1 (en) 1995-11-30
US5435400B1 (en) 1999-06-01
DE69505523D1 (de) 1998-11-26
EP0760895A1 (de) 1997-03-12
NO964942L (no) 1996-11-21
EP0760895B1 (de) 1998-10-21

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee