GB0515949D0 - Method of determining features of downhole apparatus - Google Patents

Method of determining features of downhole apparatus

Info

Publication number
GB0515949D0
GB0515949D0 GBGB0515949.6A GB0515949A GB0515949D0 GB 0515949 D0 GB0515949 D0 GB 0515949D0 GB 0515949 A GB0515949 A GB 0515949A GB 0515949 D0 GB0515949 D0 GB 0515949D0
Authority
GB
United Kingdom
Prior art keywords
downhole apparatus
determining features
determining
features
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.)
Ceased
Application number
GBGB0515949.6A
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.)
Maxwell Downhole Technology Ltd
Original Assignee
Maxwell Downhole Technology 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 Maxwell Downhole Technology Ltd filed Critical Maxwell Downhole Technology Ltd
Priority to GBGB0515949.6A priority Critical patent/GB0515949D0/en
Publication of GB0515949D0 publication Critical patent/GB0515949D0/en
Priority to PCT/GB2006/002873 priority patent/WO2007015087A1/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
    • 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
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
    • E21B47/092—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting magnetic anomalies
GBGB0515949.6A 2005-08-03 2005-08-03 Method of determining features of downhole apparatus Ceased GB0515949D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB0515949.6A GB0515949D0 (en) 2005-08-03 2005-08-03 Method of determining features of downhole apparatus
PCT/GB2006/002873 WO2007015087A1 (en) 2005-08-03 2006-08-02 Method of determining features of downhole apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0515949.6A GB0515949D0 (en) 2005-08-03 2005-08-03 Method of determining features of downhole apparatus

Publications (1)

Publication Number Publication Date
GB0515949D0 true GB0515949D0 (en) 2005-09-07

Family

ID=34983998

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0515949.6A Ceased GB0515949D0 (en) 2005-08-03 2005-08-03 Method of determining features of downhole apparatus

Country Status (2)

Country Link
GB (1) GB0515949D0 (en)
WO (1) WO2007015087A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO20083040A (en) * 2008-07-04 2009-10-26 Peak Well Solutions As Trigger device to activate an event
GB201207527D0 (en) * 2012-04-30 2012-06-13 Intelligent Well Controls Ltd Determining the depth and orientation of a feature in a wellbore
US9863236B2 (en) 2013-07-17 2018-01-09 Baker Hughes, A Ge Company, Llc Method for locating casing downhole using offset XY magnetometers
WO2016025245A1 (en) 2014-08-11 2016-02-18 Halliburton Energy Services, Inc. Well ranging apparatus, systems, and methods
US20170299666A1 (en) * 2014-11-17 2017-10-19 Halliburton Energy Services, Inc. Rapid Magnetic Hotspot Detector
US11442196B2 (en) 2015-12-18 2022-09-13 Halliburton Energy Services, Inc. Systems and methods to calibrate individual component measurement
CN107013207B (en) * 2017-04-28 2020-07-24 中国石油化工股份有限公司 Method for acquiring underground well position information of complex fault block oil reservoir sand body
US20190024467A1 (en) * 2017-07-21 2019-01-24 Baker Hughes, A Ge Company, Llc Method for orienting whipstock for casing exit in vertical and near vertical wells using xy magnetometers
US11466562B2 (en) * 2018-06-28 2022-10-11 Halliburton Energy Services, Inc. Electronic sensing of discontinuities in a well casing

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558427A (en) * 1946-05-08 1951-06-26 Schlumberger Well Surv Corp Casing collar locator
GB2107063B (en) * 1981-09-23 1985-09-11 British Gas Corp Fixing geographical reference of pipeline pigs in pipelines
GB2195023B (en) * 1986-09-04 1990-03-14 Sperry Sun Inc Improvements in or relating to the surveying of boreholes
US5720345A (en) * 1996-02-05 1998-02-24 Applied Technologies Associates, Inc. Casing joint detector
US5626192A (en) * 1996-02-20 1997-05-06 Halliburton Energy Services, Inc. Coiled tubing joint locator and methods
US6411094B1 (en) * 1997-12-30 2002-06-25 The Charles Machine Works, Inc. System and method for determining orientation to an underground object
US6815946B2 (en) * 1999-04-05 2004-11-09 Halliburton Energy Services, Inc. Magnetically activated well tool
US6768299B2 (en) * 2001-12-20 2004-07-27 Schlumberger Technology Corporation Downhole magnetic-field based feature detector
CA2727964C (en) * 2004-12-20 2014-02-11 Smith International, Inc. Magnetization of target well casing string tubulars for enhanced passive ranging

Also Published As

Publication number Publication date
WO2007015087A1 (en) 2007-02-08

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)