GB8511706D0 - Detection of magnetic interference in boreholes - Google Patents

Detection of magnetic interference in boreholes

Info

Publication number
GB8511706D0
GB8511706D0 GB858511706A GB8511706A GB8511706D0 GB 8511706 D0 GB8511706 D0 GB 8511706D0 GB 858511706 A GB858511706 A GB 858511706A GB 8511706 A GB8511706 A GB 8511706A GB 8511706 D0 GB8511706 D0 GB 8511706D0
Authority
GB
United Kingdom
Prior art keywords
boreholes
detection
magnetic interference
interference
magnetic
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.)
Granted
Application number
GB858511706A
Other versions
GB2158587A (en
GB2158587B (en
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.)
Teleco Oilfield Services Inc
Original Assignee
Teleco Oilfield Services 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 Teleco Oilfield Services Inc filed Critical Teleco Oilfield Services Inc
Publication of GB8511706D0 publication Critical patent/GB8511706D0/en
Publication of GB2158587A publication Critical patent/GB2158587A/en
Application granted granted Critical
Publication of GB2158587B publication Critical patent/GB2158587B/en
Expired 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)
GB08511706A 1984-05-09 1985-05-09 Detection and correction of magnetic interference in the surveying of boreholes Expired GB2158587B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60836584A 1984-05-09 1984-05-09

Publications (3)

Publication Number Publication Date
GB8511706D0 true GB8511706D0 (en) 1985-06-19
GB2158587A GB2158587A (en) 1985-11-13
GB2158587B GB2158587B (en) 1988-01-27

Family

ID=24436165

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08511706A Expired GB2158587B (en) 1984-05-09 1985-05-09 Detection and correction of magnetic interference in the surveying of boreholes

Country Status (6)

Country Link
CA (1) CA1240499A (en)
DK (1) DK197185A (en)
FR (1) FR2564135B1 (en)
GB (1) GB2158587B (en)
NL (1) NL8501322A (en)
NO (1) NO851823L (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4510696A (en) * 1983-07-20 1985-04-16 Nl Industries, Inc. Surveying of boreholes using shortened non-magnetic collars
GB8601523D0 (en) * 1986-01-22 1986-02-26 Sperry Sun Inc Surveying of boreholes
DE4101348C2 (en) * 1991-01-18 1994-07-14 Bergwerksverband Gmbh Device for determining the direction of a target boring bar with respect to the magnetic north direction
US5155916A (en) * 1991-03-21 1992-10-20 Scientific Drilling International Error reduction in compensation of drill string interference for magnetic survey tools
US5321893A (en) * 1993-02-26 1994-06-21 Scientific Drilling International Calibration correction method for magnetic survey tools
CA2134191C (en) * 1993-11-17 2002-12-24 Andrew Goodwin Brooks Method of correcting for axial and transverse error components in magnetometer readings during wellbore survey operations
US5452518A (en) * 1993-11-19 1995-09-26 Baker Hughes Incorporated Method of correcting for axial error components in magnetometer readings during wellbore survey operations
GB9518990D0 (en) * 1995-09-16 1995-11-15 Baroid Technology Inc Borehole surveying
GB2314163A (en) * 1996-06-14 1997-12-17 Western Atlas Int Inc Orientation measurement instruments
EP1126129A1 (en) * 2000-02-18 2001-08-22 Brownline B.V. Guidance system for horizontal drilling
US6539639B2 (en) * 2000-12-06 2003-04-01 Honeywell International Inc. Monitoring accuracy of an electronic compass
GB2415446B (en) * 2004-06-21 2009-04-08 Halliburton Energy Serv Inc Wellbore surveying
US9863783B1 (en) 2016-10-12 2018-01-09 Gyrodata, Incorporated Correction of rotation rate measurements

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1578053A (en) * 1977-02-25 1980-10-29 Russell Attitude Syst Ltd Surveying of boreholes

Also Published As

Publication number Publication date
GB2158587A (en) 1985-11-13
NO851823L (en) 1985-11-11
DK197185A (en) 1985-11-10
DK197185D0 (en) 1985-05-02
GB2158587B (en) 1988-01-27
NL8501322A (en) 1985-12-02
CA1240499A (en) 1988-08-16
FR2564135A1 (en) 1985-11-15
FR2564135B1 (en) 1989-01-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970509