OA10489A - Determining electrical conductivity of an earth layer - Google Patents

Determining electrical conductivity of an earth layer Download PDF

Info

Publication number
OA10489A
OA10489A OA70017A OA70017A OA10489A OA 10489 A OA10489 A OA 10489A OA 70017 A OA70017 A OA 70017A OA 70017 A OA70017 A OA 70017A OA 10489 A OA10489 A OA 10489A
Authority
OA
OAPI
Prior art keywords
earth
magnetic field
wellbore
coils
frequency
Prior art date
Application number
OA70017A
Other languages
English (en)
Inventor
Melis Van Der Horst
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of OA10489A publication Critical patent/OA10489A/en

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Tires In General (AREA)
  • Conductive Materials (AREA)
OA70017A 1994-12-05 1997-05-30 Determining electrical conductivity of an earth layer OA10489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94203529 1994-12-05

Publications (1)

Publication Number Publication Date
OA10489A true OA10489A (en) 2002-04-12

Family

ID=8217427

Family Applications (1)

Application Number Title Priority Date Filing Date
OA70017A OA10489A (en) 1994-12-05 1997-05-30 Determining electrical conductivity of an earth layer

Country Status (14)

Country Link
US (1) US5721491A (de)
EP (1) EP0796445B1 (de)
JP (1) JP3539972B2 (de)
CN (1) CN1109253C (de)
AU (1) AU687656B2 (de)
BR (1) BR9509952A (de)
CA (1) CA2205971C (de)
DE (1) DE69517822T2 (de)
MX (1) MX9704138A (de)
NO (1) NO316985B1 (de)
NZ (1) NZ297792A (de)
OA (1) OA10489A (de)
RU (1) RU2150131C1 (de)
WO (1) WO1996018120A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5698982A (en) * 1996-03-18 1997-12-16 Computalog Research, Inc. Method and system for skin effect correction in a multiple transmit frequency induction logging system
CA2256771C (en) * 1996-07-01 2005-04-26 David R. Beard Electrical logging of a laminated earth formation
US6819110B2 (en) * 2002-03-26 2004-11-16 Schlumberger Technology Corporation Electromagnetic resistivity logging instrument with transverse magnetic dipole component antennas providing axially extended response
US7386430B2 (en) * 2004-03-19 2008-06-10 Schlumberger Technology Corporation Method of correcting triaxial induction arrays for borehole effect
US7299131B2 (en) * 2004-12-17 2007-11-20 Baker Hughes Incorporated Induction resistivity imaging principles and devices in oil based mud
US20070272522A1 (en) * 2006-05-24 2007-11-29 Kuo Yee T Conveyor belt driver chain
CN102121374B (zh) * 2011-02-17 2012-07-11 长江大学 一种探测金属套管外地层电阻率的井中时域脉冲电磁法
US8854045B2 (en) * 2012-07-11 2014-10-07 Pico Technologies Llc Electronics for a thin bed array induction logging system
CN112327059B (zh) * 2020-08-12 2021-11-16 浙江大学 一种基于电磁涡流法的非接触的土壤电导率测量系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259837A (en) * 1963-02-05 1966-07-05 Dresser Ind Induction logging apparatus utilizing plural frequencies for investigating different zones surrounding a borehole
US3893021A (en) * 1973-08-27 1975-07-01 Texaco Inc Dual radio frequency method for determining dielectric and conductivity properties of earth formations using normalized measurements

Also Published As

Publication number Publication date
JP3539972B2 (ja) 2004-07-07
JPH10509802A (ja) 1998-09-22
CA2205971C (en) 2004-09-07
MX9704138A (es) 1997-09-30
NO972539L (no) 1997-06-04
WO1996018120A1 (en) 1996-06-13
RU2150131C1 (ru) 2000-05-27
AU687656B2 (en) 1998-02-26
NO972539D0 (no) 1997-06-04
EP0796445A1 (de) 1997-09-24
NZ297792A (en) 1997-11-24
DE69517822T2 (de) 2000-11-30
NO316985B1 (no) 2004-07-19
CN1109253C (zh) 2003-05-21
BR9509952A (pt) 1997-10-14
CN1168722A (zh) 1997-12-24
US5721491A (en) 1998-02-24
DE69517822D1 (de) 2000-08-10
AU4303496A (en) 1996-06-26
CA2205971A1 (en) 1996-06-13
EP0796445B1 (de) 2000-07-05

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