GB1310141A - Methods and apparatus for investigating earth formations - Google Patents

Methods and apparatus for investigating earth formations

Info

Publication number
GB1310141A
GB1310141A GB1624070A GB1624070A GB1310141A GB 1310141 A GB1310141 A GB 1310141A GB 1624070 A GB1624070 A GB 1624070A GB 1624070 A GB1624070 A GB 1624070A GB 1310141 A GB1310141 A GB 1310141A
Authority
GB
United Kingdom
Prior art keywords
current
electrode
focusing
electrodes
voltage
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.)
Expired
Application number
GB1624070A
Other languages
English (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.)
Schlumberger Inland Service Inc
Original Assignee
Schlumberger Inland Service Inc
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 Schlumberger Inland Service Inc filed Critical Schlumberger Inland Service Inc
Publication of GB1310141A publication Critical patent/GB1310141A/en
Expired 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
    • G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
    • G01V3/24—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current using AC

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB1624070A 1969-04-07 1970-04-06 Methods and apparatus for investigating earth formations Expired GB1310141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81526569A 1969-04-07 1969-04-07

Publications (1)

Publication Number Publication Date
GB1310141A true GB1310141A (en) 1973-03-14

Family

ID=25217327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1624070A Expired GB1310141A (en) 1969-04-07 1970-04-06 Methods and apparatus for investigating earth formations

Country Status (5)

Country Link
AR (1) AR192395A1 (enExample)
FR (1) FR2042977A5 (enExample)
GB (1) GB1310141A (enExample)
MY (1) MY7600256A (enExample)
OA (1) OA03612A (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319192A (en) 1978-01-21 1982-03-09 Schlumberger Technology Corporation Deep and/or shallow electrical resistivity investigation suitable for dual resistivity-induction logging
GB2130378A (en) * 1982-11-12 1984-05-31 Teleco Oilfield Services Inc Borehole resistivity measurement
GB2138148A (en) * 1983-04-13 1984-10-17 Denis Nigel Smith Method and apparatus for deriving currents and potentials representative of the impedance of zones of a body
GB2289340A (en) * 1994-05-02 1995-11-15 Schlumberger Ltd Formation resistivity measurement in a cased borehole
CN100422768C (zh) * 2002-04-17 2008-10-01 施蓝姆伯格海外股份有限公司 不导电液体中微观电测量的相位鉴别
CN115453639A (zh) * 2022-11-10 2022-12-09 中海油田服务股份有限公司 一种阵列侧向探测仪器的设置方法、装置及计算设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2128200B1 (enExample) * 1971-03-11 1974-03-01 Schlumberger Prospection
FR2740170B1 (fr) 1995-10-20 1998-01-02 Schlumberger Services Petrol Procedes et dispositifs de mesure de la resistivite de la boue dans un puits d'hydrocarbure

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319192A (en) 1978-01-21 1982-03-09 Schlumberger Technology Corporation Deep and/or shallow electrical resistivity investigation suitable for dual resistivity-induction logging
GB2130378A (en) * 1982-11-12 1984-05-31 Teleco Oilfield Services Inc Borehole resistivity measurement
GB2138148A (en) * 1983-04-13 1984-10-17 Denis Nigel Smith Method and apparatus for deriving currents and potentials representative of the impedance of zones of a body
GB2289340A (en) * 1994-05-02 1995-11-15 Schlumberger Ltd Formation resistivity measurement in a cased borehole
US5510712A (en) * 1994-05-02 1996-04-23 Schlumberger Technology Corporation Method and apparatus for measuring formation resistivity in cased holes
GB2289340B (en) * 1994-05-02 1998-02-18 Schlumberger Ltd Method and apparatus for measuring formation resistivity in cased holes
CN100422768C (zh) * 2002-04-17 2008-10-01 施蓝姆伯格海外股份有限公司 不导电液体中微观电测量的相位鉴别
CN115453639A (zh) * 2022-11-10 2022-12-09 中海油田服务股份有限公司 一种阵列侧向探测仪器的设置方法、装置及计算设备
CN115453639B (zh) * 2022-11-10 2023-01-03 中海油田服务股份有限公司 一种阵列侧向探测仪器的设置方法、装置及计算设备

Also Published As

Publication number Publication date
FR2042977A5 (enExample) 1971-02-12
MY7600256A (en) 1976-12-31
OA03612A (fr) 1971-03-30
AR192395A1 (es) 1973-02-21

Similar Documents

Publication Publication Date Title
US3132298A (en) Methods and apparatus for investigating earth boreholes by means of electrodes constructed to contact the borehole walls
US2264318A (en) Geophysical surveying
US2987668A (en) Systems for well logging
US2433554A (en) Well logging apparatus
US2712627A (en) Electrical resistivity well logging method and apparatus
US2446303A (en) Well logging apparatus
US3760260A (en) Method and apparatus for investigating earth formations by emitting survey and auxiliary currents from the same electrode
US3056917A (en) Methods and apparatus for investigating earth formations
US2941784A (en) Logging while drilling
GB1310141A (en) Methods and apparatus for investigating earth formations
US2803796A (en) Electrical apparatus for well logging
US3882376A (en) Methods and apparatus for investigating earth formations
US4335353A (en) Method and apparatus for detecting an anomaly in a resistivity measurement of an earth formation
US2884590A (en) Electrical well logging systems
US3259836A (en) Induction logging apparatus having plural receiver coils each forming a mutually balanced system with the transmitter coils
US4087740A (en) Spherical focusing method and apparatus for determining the thickness of a zone in an earth formation traversed by a borehole
US2776402A (en) Electrical well logging
US3452269A (en) Methods and apparatus for investigating earth formations including adjusting the potential distribution in an axial direction through a borehole
US3808521A (en) Device including reference voltage and comparator means for measuring earth resistance
US3054046A (en) Electrodes for electrical well logging
US3405351A (en) Methods and apparatus for averaging well logging measurements
US3017566A (en) Apparatus for investigating earth formations
US3373349A (en) Well logging methods and apparatus for solving the potential reference problem in electrode type investigating apparatus
US2872637A (en) Electrical resistivity well logging methods and apparatus
US2072950A (en) Method of and apparatus for electrically exploring earth formations

Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years