GB0916685D0 - Electromagnetic measurements in boreholes - Google Patents

Electromagnetic measurements in boreholes

Info

Publication number
GB0916685D0
GB0916685D0 GBGB0916685.1A GB0916685A GB0916685D0 GB 0916685 D0 GB0916685 D0 GB 0916685D0 GB 0916685 A GB0916685 A GB 0916685A GB 0916685 D0 GB0916685 D0 GB 0916685D0
Authority
GB
United Kingdom
Prior art keywords
boreholes
electromagnetic measurements
measurements
electromagnetic
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
GBGB0916685.1A
Other versions
GB2464593A (en
GB2464593B (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.)
Gemalto Terminals Ltd
Schlumberger Holdings Ltd
Original Assignee
Gemalto Terminals Ltd
Schlumberger Holdings 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
Priority claimed from US12/405,214 external-priority patent/US8400159B2/en
Application filed by Gemalto Terminals Ltd, Schlumberger Holdings Ltd filed Critical Gemalto Terminals Ltd
Publication of GB0916685D0 publication Critical patent/GB0916685D0/en
Publication of GB2464593A publication Critical patent/GB2464593A/en
Application granted granted Critical
Publication of GB2464593B publication Critical patent/GB2464593B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01V3/28—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 using induction coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V13/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups G01V1/00 – G01V11/00
    • 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
    • G01V3/38—Processing data, e.g. for analysis, for interpretation, for correction

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB0916685A 2008-10-21 2009-09-23 Electromagnetic measurements in boreholes Expired - Fee Related GB2464593B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10699208P 2008-10-21 2008-10-21
US12/405,214 US8400159B2 (en) 2008-10-21 2009-03-16 Casing correction in non-magnetic casing by the measurement of the impedance of a transmitter or receiver

Publications (3)

Publication Number Publication Date
GB0916685D0 true GB0916685D0 (en) 2009-11-04
GB2464593A GB2464593A (en) 2010-04-28
GB2464593B GB2464593B (en) 2011-07-20

Family

ID=41327447

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0916685A Expired - Fee Related GB2464593B (en) 2008-10-21 2009-09-23 Electromagnetic measurements in boreholes

Country Status (1)

Country Link
GB (1) GB2464593B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8614578B2 (en) * 2009-06-18 2013-12-24 Schlumberger Technology Corporation Attenuation of electromagnetic signals passing through conductive material
US9250350B2 (en) * 2013-06-12 2016-02-02 Halliburton Energy Services, Inc. Systems and methods for downhole magnetic field measurement
US9201155B2 (en) 2013-06-12 2015-12-01 Halliburton Energy Services, Inc. Systems and methods for downhole electromagnetic field measurement
US10928543B2 (en) 2014-07-31 2021-02-23 Halliburton Energy Services, Inc. Electrical log processing near casing point

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6703838B2 (en) * 1998-04-13 2004-03-09 Schlumberger Technology Corporation Method and apparatus for measuring characteristics of geological formations
EP1795920B1 (en) * 2005-12-09 2013-07-17 Services Pétroliers Schlumberger An electromagnetic imaging method and device
US8326539B2 (en) * 2008-05-08 2012-12-04 Schlumberger Technology Corporation Characterizing at least one property of a liner that lines a well

Also Published As

Publication number Publication date
GB2464593A (en) 2010-04-28
GB2464593B (en) 2011-07-20

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Legal Events

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

Effective date: 20150923