EG13724A - Well logging method and equipment with a dual focusing electrode system and or a coil system - Google Patents

Well logging method and equipment with a dual focusing electrode system and or a coil system

Info

Publication number
EG13724A
EG13724A EG36/79A EG3679A EG13724A EG 13724 A EG13724 A EG 13724A EG 36/79 A EG36/79 A EG 36/79A EG 3679 A EG3679 A EG 3679A EG 13724 A EG13724 A EG 13724A
Authority
EG
Egypt
Prior art keywords
equipment
well logging
focusing electrode
logging method
dual focusing
Prior art date
Application number
EG36/79A
Other languages
English (en)
Original Assignee
Schlumberger Overseas
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 Overseas filed Critical Schlumberger Overseas
Application granted granted Critical
Publication of EG13724A publication Critical patent/EG13724A/xx

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
    • G01V3/265—Operating with fields produced by spontaneous potentials, e.g. electrochemicals or produced by telluric currents
    • 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)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Disintegrating Or Milling (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
EG36/79A 1978-01-21 1979-01-20 Well logging method and equipment with a dual focusing electrode system and or a coil system EG13724A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB250078 1978-01-21
GB2509478 1978-05-31

Publications (1)

Publication Number Publication Date
EG13724A true EG13724A (en) 1982-09-30

Family

ID=26237557

Family Applications (1)

Application Number Title Priority Date Filing Date
EG36/79A EG13724A (en) 1978-01-21 1979-01-20 Well logging method and equipment with a dual focusing electrode system and or a coil system

Country Status (14)

Country Link
US (1) US4319192A (xx)
AU (1) AU524809B2 (xx)
BR (1) BR7900366A (xx)
CA (1) CA1130862A (xx)
DE (1) DE2901928A1 (xx)
EG (1) EG13724A (xx)
FR (1) FR2416486A1 (xx)
IT (1) IT1110902B (xx)
MX (1) MX152116A (xx)
MY (1) MY8500184A (xx)
NL (1) NL7900391A (xx)
NO (1) NO151912C (xx)
OA (1) OA06155A (xx)
TR (1) TR20225A (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415895A (en) * 1981-02-11 1983-11-15 Dresser Industries, Inc. Well logging data transmission system
US4972149A (en) * 1985-02-17 1990-11-20 Texaco Inc. Electromagnetic propagation thin bed resistivity well logging system and method
US4692706A (en) * 1985-02-27 1987-09-08 Texaco Inc Well logging means and method for determining water saturation of a petroleum reservoir having two transmitters and two receivers
US5278507A (en) * 1991-06-14 1994-01-11 Baroid Technology, Inc. Well logging method and apparatus providing multiple depth of investigation using multiple transmitters and single receiver pair having depth of investigation independent of formation resistivity
FR2795521B1 (fr) * 1999-06-22 2001-09-21 Schlumberger Services Petrol Procede et dispositif pour determiner la resistivite d'une formation traversee par un puits tube
US6359438B1 (en) * 2000-01-28 2002-03-19 Halliburton Energy Services, Inc. Multi-depth focused resistivity imaging tool for logging while drilling applications
BR0314800A (pt) * 2002-09-27 2005-08-02 Baker Hughes Inc Processo para determinação de anisotropia de resistividade em poços verticais próximos
US7042225B2 (en) * 2003-12-12 2006-05-09 Schlumberger Technology Corporation Apparatus and methods for induction-SFL logging
US20100148787A1 (en) * 2005-06-20 2010-06-17 Marian Morys High Frequency or Multifrequency Resistivity Tool
AU2008360702B2 (en) * 2008-08-21 2012-03-08 Halliburton Energy Services, Inc. Automated log quality monitoring systems and methods
US10041343B2 (en) 2009-06-02 2018-08-07 Halliburton Energy Services, Inc. Micro-sonic density imaging while drilling systems and methods
US9765609B2 (en) 2009-09-26 2017-09-19 Halliburton Energy Services, Inc. Downhole optical imaging tools and methods
US8823379B2 (en) * 2009-10-30 2014-09-02 Welltec A/S Logging tool
US8614580B2 (en) * 2010-12-13 2013-12-24 Westerngeco L.L.C. Dynamically activating different subsets of a plurality of electrodes
RU2507545C1 (ru) * 2012-06-06 2014-02-20 Олег Матвеевич Косенков Аппаратура для электрического каротажа
CN104453880A (zh) * 2014-12-09 2015-03-25 重庆地质仪器厂 一种七电极电阻率测量探管
CN105484740B (zh) * 2015-12-04 2018-06-22 中国石油天然气集团公司 一种用于探测地层复电阻率的多频探测装置
CN109620226B (zh) * 2019-01-28 2022-07-22 中国科学院电工研究所 一种电阻抗断层成像聚焦检测电极系统

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124742A (en) * 1964-03-10 Apparatus for investigating earth formations having an
US2532314A (en) * 1944-04-20 1950-12-05 Carl E Johnson Potato harvesting machine
US2712627A (en) * 1950-05-12 1955-07-05 Schlumberger Well Surv Corp Electrical resistivity well logging method and apparatus
US2712630A (en) * 1951-11-20 1955-07-05 Schlumberger Well Surv Corp Methods and apparatus for electrical logging of wells
US2880389A (en) * 1954-09-10 1959-03-31 Schlumberger Well Surv Corp Electrical resistivity well logging
FR1258833A (fr) * 1959-06-23 1961-04-21 Schlumberger Well Surv Corp Appareil pour l'exploration des couches géologiques
GB1038452A (en) * 1962-02-28 1966-08-10 British Petroleum Co Method and apparatus for logging boreholes
US3388325A (en) * 1966-02-23 1968-06-11 Schlumberger Well Surv Corp Apparatus for supplying an equal potential to circumferential portions of a circumferentially extending electrode
US3453530A (en) * 1968-03-01 1969-07-01 Schlumberger Technology Corp Methods and apparatus for investigating earth formations including measuring the resistivity of radially different formation zones
FR2128200B1 (xx) * 1971-03-11 1974-03-01 Schlumberger Prospection
US3882376A (en) * 1972-04-24 1975-05-06 Schlumberger Technology Corp Methods and apparatus for investigating earth formations
US3798535A (en) * 1972-04-24 1974-03-19 Schlumberger Technology Corp Methods and apparatus for investigating earth formations
US3798533A (en) * 1972-04-24 1974-03-19 Schlumberger Technology Corp Methods and apparatus for investigating earth formations
US4122387A (en) * 1977-08-24 1978-10-24 Halliburton Company Apparatus and method for simultaneously logging an electrical characteristic of a well formation at more than one lateral distance from a borehole

Also Published As

Publication number Publication date
MX152116A (es) 1985-05-30
DE2901928A1 (de) 1979-07-26
US4319192A (en) 1982-03-09
MY8500184A (en) 1985-12-31
NO790144L (no) 1979-07-24
NO151912C (no) 1985-06-26
AU4325479A (en) 1979-07-26
CA1130862A (en) 1982-08-31
IT1110902B (it) 1986-01-13
IT7919287A0 (it) 1979-01-15
NL7900391A (nl) 1979-07-24
AU524809B2 (en) 1982-10-07
TR20225A (tr) 1980-11-03
FR2416486B1 (xx) 1984-08-03
BR7900366A (pt) 1979-08-21
FR2416486A1 (fr) 1979-08-31
NO151912B (no) 1985-03-18
OA06155A (fr) 1981-06-30

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