GB2369188B - Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal - Google Patents

Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal

Info

Publication number
GB2369188B
GB2369188B GB0203908A GB0203908A GB2369188B GB 2369188 B GB2369188 B GB 2369188B GB 0203908 A GB0203908 A GB 0203908A GB 0203908 A GB0203908 A GB 0203908A GB 2369188 B GB2369188 B GB 2369188B
Authority
GB
United Kingdom
Prior art keywords
measurement
methods
drilling assembly
bias removal
gyroscopic devices
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 - Lifetime
Application number
GB0203908A
Other versions
GB2369188A (en
GB0203908D0 (en
Inventor
Robert Alan Estes
Koen Antonie Noy
Jon B Kahn
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes 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 Baker Hughes Inc filed Critical Baker Hughes Inc
Priority claimed from GB0013640A external-priority patent/GB2347224B/en
Publication of GB0203908D0 publication Critical patent/GB0203908D0/en
Publication of GB2369188A publication Critical patent/GB2369188A/en
Application granted granted Critical
Publication of GB2369188B publication Critical patent/GB2369188B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/02—Rotary gyroscopes
    • G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
    • G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation
    • 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

  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Fluid Mechanics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Gyroscopes (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB0203908A 1997-12-04 1998-12-04 Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal Expired - Lifetime GB2369188B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6750597P 1997-12-04 1997-12-04
GB0013640A GB2347224B (en) 1997-12-04 1998-12-04 Measurement while drilling assembly using gyroscopic devices and methods of bias removal

Publications (3)

Publication Number Publication Date
GB0203908D0 GB0203908D0 (en) 2002-04-03
GB2369188A GB2369188A (en) 2002-05-22
GB2369188B true GB2369188B (en) 2002-07-17

Family

ID=26244432

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0203908A Expired - Lifetime GB2369188B (en) 1997-12-04 1998-12-04 Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal

Country Status (1)

Country Link
GB (1) GB2369188B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2415531B (en) * 2003-08-07 2006-04-05 Baker Hughes Inc A method of compensating measurements made by a downhole survey instrument
SE531222C2 (en) * 2005-12-15 2009-01-20 Atlas Copco Rock Drills Ab Drill rig System
FR2953588B1 (en) * 2009-12-07 2011-12-23 Sagem Defense Securite METHOD FOR DETERMINING A CAP BY ROTATING AN INERTIAL DEVICE
GB2535524B (en) 2015-02-23 2017-11-22 Schlumberger Holdings Downhole tool for measuring angular position
CN112781577B (en) * 2021-01-18 2023-04-18 上海威领信息科技有限公司 Novel inclinometer north-seeking calculation method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0175298A2 (en) * 1984-09-14 1986-03-26 Develco, Incorporated Borehole sensing tool with optical rotation sensor
EP0646696A1 (en) * 1993-10-04 1995-04-05 Anadrill International SA Motion compensation apparatus and method for determining heading of a borehole
GB2296772A (en) * 1994-12-19 1996-07-10 Gyrodata Inc Surveying a well borehole by means of a rate gyro using an error nulling system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0175298A2 (en) * 1984-09-14 1986-03-26 Develco, Incorporated Borehole sensing tool with optical rotation sensor
EP0646696A1 (en) * 1993-10-04 1995-04-05 Anadrill International SA Motion compensation apparatus and method for determining heading of a borehole
GB2296772A (en) * 1994-12-19 1996-07-10 Gyrodata Inc Surveying a well borehole by means of a rate gyro using an error nulling system

Also Published As

Publication number Publication date
GB2369188A (en) 2002-05-22
GB0203908D0 (en) 2002-04-03

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20181203