NO20100713L - Anordning og fremgangsmate for kartlegging av borehull - Google Patents

Anordning og fremgangsmate for kartlegging av borehull

Info

Publication number
NO20100713L
NO20100713L NO20100713A NO20100713A NO20100713L NO 20100713 L NO20100713 L NO 20100713L NO 20100713 A NO20100713 A NO 20100713A NO 20100713 A NO20100713 A NO 20100713A NO 20100713 L NO20100713 L NO 20100713L
Authority
NO
Norway
Prior art keywords
boreholes
mapping
uncertainty ellipse
threshold
measurement data
Prior art date
Application number
NO20100713A
Other languages
English (en)
Inventor
Wayne J Phillips
Original Assignee
Schlumberger Technology Bv
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 Technology Bv filed Critical Schlumberger Technology Bv
Publication of NO20100713L publication Critical patent/NO20100713L/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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • 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

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

En fremgangsmåte innbefatter å fremskaffe et første sett med måledata ved et første punkt langs et brønnhull, å estimere en aktuell brønnhullsposisjon basert på i det minste det første settet med måledata, å bestemme en relatert usikkerhetsellipse ved den aktuelle brønnhullsposisjonen, å sammenligne den relaterte usikkerhetsellipsen ved den aktuelle brønnhullsposisjonen med en terskel, og å velge en metodologi for en etterfølgende undersøkelse basert på en sammenligning av den relaterte usikkerhetsellipsen og terskelen.
NO20100713A 2007-11-12 2010-05-18 Anordning og fremgangsmate for kartlegging av borehull NO20100713L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US98731007P 2007-11-12 2007-11-12
US12/169,382 US7886844B2 (en) 2007-11-12 2008-07-08 Borehole survey method and apparatus
PCT/US2008/082630 WO2009064656A2 (en) 2007-11-12 2008-11-06 Borehole survey method and apparatus

Publications (1)

Publication Number Publication Date
NO20100713L true NO20100713L (no) 2010-08-11

Family

ID=40622649

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20100713A NO20100713L (no) 2007-11-12 2010-05-18 Anordning og fremgangsmate for kartlegging av borehull

Country Status (4)

Country Link
US (1) US7886844B2 (no)
GB (1) GB2467070B (no)
NO (1) NO20100713L (no)
WO (1) WO2009064656A2 (no)

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US8996396B2 (en) 2013-06-26 2015-03-31 Hunt Advanced Drilling Technologies, LLC System and method for defining a drilling path based on cost
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Also Published As

Publication number Publication date
WO2009064656A2 (en) 2009-05-22
US20090120690A1 (en) 2009-05-14
US7886844B2 (en) 2011-02-15
WO2009064656A3 (en) 2009-09-03
GB201007618D0 (en) 2010-06-23
GB2467070A (en) 2010-07-21
GB2467070B (en) 2012-06-27

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