CA2458254A1 - Downhole referencing techniques in borehole surveying - Google Patents
Downhole referencing techniques in borehole surveying Download PDFInfo
- Publication number
- CA2458254A1 CA2458254A1 CA002458254A CA2458254A CA2458254A1 CA 2458254 A1 CA2458254 A1 CA 2458254A1 CA 002458254 A CA002458254 A CA 002458254A CA 2458254 A CA2458254 A CA 2458254A CA 2458254 A1 CA2458254 A1 CA 2458254A1
- Authority
- CA
- Canada
- Prior art keywords
- azimuths
- measurement devices
- borehole
- local
- downhole
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
Abstract
A method for determining rotational offset between first and second gravity measurement devices deployed on a downhole tool is disclosed. The method includes positioning the tool in a previously surveyed section of a borehole that provides a historical survey including at least three previously surveyed azimuthal reference points and utilizing the gravity measurement devices to determine local azimuths at three or more sites in the previously surveyed section of the borehole. The method further includes comparing local azimuths with the historical survey and determining a rotational offset between the measurement devices that gives a best fit between local azimuths and the historical survey. A system adapted to execute the disclosed method and a computer system including computer-readable logic configured to instruct a processor to execute the disclosed method are also provided.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/369,353 US6882937B2 (en) | 2003-02-18 | 2003-02-18 | Downhole referencing techniques in borehole surveying |
US10/369,353 | 2003-02-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2458254A1 true CA2458254A1 (en) | 2004-08-18 |
CA2458254C CA2458254C (en) | 2008-11-18 |
Family
ID=32043103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002458254A Expired - Fee Related CA2458254C (en) | 2003-02-18 | 2004-02-18 | Downhole referencing techniques in borehole surveying |
Country Status (4)
Country | Link |
---|---|
US (1) | US6882937B2 (en) |
CA (1) | CA2458254C (en) |
GB (1) | GB2398879B (en) |
NO (1) | NO337907B1 (en) |
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US7531791B2 (en) * | 2005-02-17 | 2009-05-12 | Advanced Applied Physics Solutions, Inc. | Geological tomography using cosmic rays |
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WO2008061276A1 (en) * | 2006-11-20 | 2008-05-29 | Technological Resources Pty Limited | A gravity gradiometer |
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CA2612902C (en) * | 2006-11-23 | 2015-05-19 | Technological Resources Pty Limited | Gravity gradiometer |
ZA200710729B (en) | 2006-11-23 | 2009-07-29 | Tech Resources Pty Ltd | Superconducting gravity gradiometer and heat switch |
WO2008061284A1 (en) * | 2006-11-23 | 2008-05-29 | Technological Resources Pty Limited | Gravity gradiometer |
ZA200710804B (en) * | 2006-11-23 | 2009-09-30 | Tech Resources Pty Ltd | Compensation for unwanted accelerations in a gravity gradiometer |
ZA200710805B (en) * | 2006-11-23 | 2009-03-25 | Tech Resources Pty Ltd | Gravity gradiometer |
ZA200710806B (en) * | 2006-11-23 | 2009-07-29 | Tech Resources Pty Ltd | Gravity gradiometer |
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WO2009064728A1 (en) * | 2007-11-12 | 2009-05-22 | Schlumberger Canada Limited | Well bore trajectory computation |
US7823661B2 (en) * | 2008-06-24 | 2010-11-02 | Mintchev Martin P | In-drilling alignment |
US8614578B2 (en) * | 2009-06-18 | 2013-12-24 | Schlumberger Technology Corporation | Attenuation of electromagnetic signals passing through conductive material |
US9134452B2 (en) * | 2012-12-10 | 2015-09-15 | Schlumberger Technology Corporation | Weighting function for inclination and azimuth computation |
US9739906B2 (en) * | 2013-12-12 | 2017-08-22 | Baker Hughes Incorporated | System and method for defining permissible borehole curvature |
US9804288B2 (en) | 2014-05-16 | 2017-10-31 | Baker Hughes, A Ge Company, Llc | Real-time, limited orientation sensor auto-calibration |
WO2016025238A1 (en) | 2014-08-11 | 2016-02-18 | Halliburton Energy Services, Inc. | Well ranging apparatus, systems, and methods |
US10094211B2 (en) | 2014-10-09 | 2018-10-09 | Schlumberger Technology Corporation | Methods for estimating wellbore gauge and dogleg severity |
US9939537B2 (en) * | 2015-03-10 | 2018-04-10 | Decision Sciences International Corporation | Sensor fusion with muon detector arrays to augment tomographic imaging using ambient cosmic rays |
US10392933B2 (en) * | 2015-10-30 | 2019-08-27 | Baker Hughes, A Ge Company, Llc | Multiple downhole sensor digital alignment using spatial transforms |
WO2017105500A1 (en) | 2015-12-18 | 2017-06-22 | Halliburton Energy Services, Inc. | Systems and methods to calibrate individual component measurement |
CN110043248A (en) * | 2019-05-31 | 2019-07-23 | 西南石油大学 | A kind of measurement pipe nipple of full posture MWD inclination measurement device |
NO20221077A1 (en) * | 2020-06-05 | 2022-10-07 | Halliburton Energy Services Inc | Borehole localization relative to objects and subterranrean formations |
WO2023055382A1 (en) * | 2021-09-30 | 2023-04-06 | Halliburton Energy Services, Inc. | Drilling system with directional survey transmission system and methods of transmission |
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US4302886A (en) * | 1979-10-29 | 1981-12-01 | Robert L. Fournet | Gyroscopic directional surveying instrument |
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GB0102900D0 (en) | 2001-02-06 | 2001-03-21 | Smart Stabiliser Systems Ltd | Surveying of boreholes |
US7002484B2 (en) * | 2002-10-09 | 2006-02-21 | Pathfinder Energy Services, Inc. | Supplemental referencing techniques in borehole surveying |
-
2003
- 2003-02-18 US US10/369,353 patent/US6882937B2/en not_active Expired - Fee Related
-
2004
- 2004-02-18 CA CA002458254A patent/CA2458254C/en not_active Expired - Fee Related
- 2004-02-18 NO NO20040695A patent/NO337907B1/en not_active IP Right Cessation
- 2004-02-18 GB GB0403642A patent/GB2398879B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2458254C (en) | 2008-11-18 |
GB2398879A (en) | 2004-09-01 |
NO337907B1 (en) | 2016-07-11 |
US6882937B2 (en) | 2005-04-19 |
GB0403642D0 (en) | 2004-03-24 |
US20040163443A1 (en) | 2004-08-26 |
GB2398879B (en) | 2006-07-26 |
NO20040695L (en) | 2004-08-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20200218 |