GB0519412D0 - Methods and apparatus for characterising a subsurface formation - Google Patents

Methods and apparatus for characterising a subsurface formation

Info

Publication number
GB0519412D0
GB0519412D0 GBGB0519412.1A GB0519412A GB0519412D0 GB 0519412 D0 GB0519412 D0 GB 0519412D0 GB 0519412 A GB0519412 A GB 0519412A GB 0519412 D0 GB0519412 D0 GB 0519412D0
Authority
GB
United Kingdom
Prior art keywords
characterising
methods
subsurface formation
subsurface
formation
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
GBGB0519412.1A
Other versions
GB2417783A (en
GB2417783B (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 US10/710,188 external-priority patent/US7202670B2/en
Application filed by Gemalto Terminals Ltd, Schlumberger Holdings Ltd filed Critical Gemalto Terminals Ltd
Publication of GB0519412D0 publication Critical patent/GB0519412D0/en
Publication of GB2417783A publication Critical patent/GB2417783A/en
Application granted granted Critical
Publication of GB2417783B publication Critical patent/GB2417783B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B47/002—Survey of boreholes or wells by visual inspection
    • E21B47/0025—Survey of boreholes or wells by visual inspection generating an image of the borehole wall using down-hole measurements, e.g. acoustic or electric
    • 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
    • G01V3/30—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electromagnetic waves
    • 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
    • E21B47/002—Survey of boreholes or wells by visual inspection
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB0519412A 2003-08-08 2004-07-15 Methods and apparatus for characterising a subsurface formation Expired - Fee Related GB2417783B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US49374703P 2003-08-08 2003-08-08
US10/710,188 US7202670B2 (en) 2003-08-08 2004-06-24 Method for characterizing a subsurface formation with a logging instrument disposed in a borehole penetrating the formation
GB0415828A GB2404741B (en) 2003-08-08 2004-07-15 Electromagnetic method for determining dip angles independent of mud type and borehole environment

Publications (3)

Publication Number Publication Date
GB0519412D0 true GB0519412D0 (en) 2005-11-02
GB2417783A GB2417783A (en) 2006-03-08
GB2417783B GB2417783B (en) 2006-09-20

Family

ID=35788115

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0519412A Expired - Fee Related GB2417783B (en) 2003-08-08 2004-07-15 Methods and apparatus for characterising a subsurface formation

Country Status (1)

Country Link
GB (1) GB2417783B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6377050B1 (en) * 1999-09-14 2002-04-23 Computalog Usa, Inc. LWD resistivity device with inner transmitters and outer receivers, and azimuthal sensitivity
US6969994B2 (en) * 2001-09-26 2005-11-29 Schlumberger Technology Corporation Directional electromagnetic measurements insensitive to dip and anisotropy
US7382135B2 (en) * 2003-05-22 2008-06-03 Schlumberger Technology Corporation Directional electromagnetic wave resistivity apparatus and method

Also Published As

Publication number Publication date
GB2417783A (en) 2006-03-08
GB2417783B (en) 2006-09-20

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Legal Events

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

Effective date: 20170715