NO20011614D0 - Fremgangsmåte for å öke virkningsgraden ved boring av et borehull, forbedring av nöyaktigheten for sin borehullsbane samt redusering av den samsvarende beregnede usikkerhetselipse - Google Patents

Fremgangsmåte for å öke virkningsgraden ved boring av et borehull, forbedring av nöyaktigheten for sin borehullsbane samt redusering av den samsvarende beregnede usikkerhetselipse

Info

Publication number
NO20011614D0
NO20011614D0 NO20011614A NO20011614A NO20011614D0 NO 20011614 D0 NO20011614 D0 NO 20011614D0 NO 20011614 A NO20011614 A NO 20011614A NO 20011614 A NO20011614 A NO 20011614A NO 20011614 D0 NO20011614 D0 NO 20011614D0
Authority
NO
Norway
Prior art keywords
borehole
drilling
accuracy
improving
increasing
Prior art date
Application number
NO20011614A
Other languages
English (en)
Other versions
NO20011614L (no
Inventor
John E Edwards
John R Lovell
Original Assignee
Schlumberger Holdings
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 Schlumberger Holdings filed Critical Schlumberger Holdings
Publication of NO20011614D0 publication Critical patent/NO20011614D0/no
Publication of NO20011614L publication Critical patent/NO20011614L/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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Earth Drilling (AREA)
NO20011614A 2000-03-30 2001-03-29 Fremgangsmåte for å öke effektiviteten ved boring av et borehull, forbedre nöyaktigheten til borehullsbanen, samt redusereden korresponderende beregnede usikkerhetsellipse. NO20011614L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/539,112 US6405808B1 (en) 2000-03-30 2000-03-30 Method for increasing the efficiency of drilling a wellbore, improving the accuracy of its borehole trajectory and reducing the corresponding computed ellise of uncertainty

Publications (2)

Publication Number Publication Date
NO20011614D0 true NO20011614D0 (no) 2001-03-29
NO20011614L NO20011614L (no) 2001-10-01

Family

ID=24149831

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20011614A NO20011614L (no) 2000-03-30 2001-03-29 Fremgangsmåte for å öke effektiviteten ved boring av et borehull, forbedre nöyaktigheten til borehullsbanen, samt redusereden korresponderende beregnede usikkerhetsellipse.

Country Status (3)

Country Link
US (1) US6405808B1 (no)
GB (1) GB2364782B (no)
NO (1) NO20011614L (no)

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Also Published As

Publication number Publication date
US6405808B1 (en) 2002-06-18
GB2364782A (en) 2002-02-06
GB2364782B (en) 2002-08-28
NO20011614L (no) 2001-10-01
GB0106192D0 (en) 2001-05-02

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