CA2334920C - Method of determining azimuth of a borehole - Google Patents

Method of determining azimuth of a borehole Download PDF

Info

Publication number
CA2334920C
CA2334920C CA002334920A CA2334920A CA2334920C CA 2334920 C CA2334920 C CA 2334920C CA 002334920 A CA002334920 A CA 002334920A CA 2334920 A CA2334920 A CA 2334920A CA 2334920 C CA2334920 C CA 2334920C
Authority
CA
Canada
Prior art keywords
borehole
drill string
magnetic field
cos
location
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
CA002334920A
Other languages
English (en)
French (fr)
Other versions
CA2334920A1 (en
Inventor
Robin Adrianus Hartmann
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.)
Shell Canada Ltd
Original Assignee
Shell Canada Ltd
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 Shell Canada Ltd filed Critical Shell Canada Ltd
Publication of CA2334920A1 publication Critical patent/CA2334920A1/en
Application granted granted Critical
Publication of CA2334920C publication Critical patent/CA2334920C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
  • Measuring Magnetic Variables (AREA)
CA002334920A 1998-06-18 1999-06-14 Method of determining azimuth of a borehole Expired - Fee Related CA2334920C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98304821.6 1998-06-18
EP98304821 1998-06-18
PCT/EP1999/003940 WO1999066173A1 (en) 1998-06-18 1999-06-14 Method of determining azimuth of a borehole

Publications (2)

Publication Number Publication Date
CA2334920A1 CA2334920A1 (en) 1999-12-23
CA2334920C true CA2334920C (en) 2008-04-29

Family

ID=8234883

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002334920A Expired - Fee Related CA2334920C (en) 1998-06-18 1999-06-14 Method of determining azimuth of a borehole

Country Status (9)

Country Link
EP (1) EP1088152B1 (no)
CN (1) CN1305565A (no)
AU (1) AU748917B2 (no)
BR (1) BR9911307A (no)
CA (1) CA2334920C (no)
DE (1) DE69923179T2 (no)
ES (1) ES2237113T3 (no)
NO (1) NO320686B1 (no)
WO (1) WO1999066173A1 (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6854192B2 (en) 2001-02-06 2005-02-15 Smart Stabilizer Systems Limited Surveying of boreholes
GB0102900D0 (en) * 2001-02-06 2001-03-21 Smart Stabiliser Systems Ltd Surveying of boreholes
GB0221753D0 (en) 2002-09-19 2002-10-30 Smart Stabilizer Systems Ltd Borehole surveying

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8504949D0 (en) * 1985-02-26 1985-03-27 Shell Int Research Determining azimuth of borehole
US4709486A (en) * 1986-05-06 1987-12-01 Tensor, Inc. Method of determining the orientation of a surveying instrument in a borehole
EG20489A (en) * 1993-01-13 1999-06-30 Shell Int Research Method for determining borehole direction
US5321893A (en) * 1993-02-26 1994-06-21 Scientific Drilling International Calibration correction method for magnetic survey tools
WO1996002733A1 (en) * 1994-07-14 1996-02-01 Baker Hughes Incorporated Method of correcting for error components in wellbore survey data

Also Published As

Publication number Publication date
DE69923179D1 (de) 2005-02-17
WO1999066173A1 (en) 1999-12-23
NO20006450D0 (no) 2000-12-18
CN1305565A (zh) 2001-07-25
EP1088152A1 (en) 2001-04-04
EP1088152B1 (en) 2005-01-12
CA2334920A1 (en) 1999-12-23
AU4509399A (en) 2000-01-05
ES2237113T3 (es) 2005-07-16
BR9911307A (pt) 2001-03-13
AU748917B2 (en) 2002-06-13
DE69923179T2 (de) 2006-01-05
NO320686B1 (no) 2006-01-16
NO20006450L (no) 2001-02-16

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20190614