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NO831085L - Fremgangsmaate og apparat for undersoekelse av grunnformasjoner - Google Patents

Fremgangsmaate og apparat for undersoekelse av grunnformasjoner

Info

Publication number
NO831085L
NO831085L NO831085A NO831085A NO831085L NO 831085 L NO831085 L NO 831085L NO 831085 A NO831085 A NO 831085A NO 831085 A NO831085 A NO 831085A NO 831085 L NO831085 L NO 831085L
Authority
NO
Norway
Prior art keywords
current
signal
formation
function
currents
Prior art date
Application number
NO831085A
Other languages
English (en)
Norwegian (no)
Inventor
Wade Murwell Johnson Jr
Jorg August Angehrn
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of NO831085L publication Critical patent/NO831085L/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/34Transmitting data to recording or processing apparatus; Recording data
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/20Electric 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
    • G01V3/24Electric 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)
  • Electrotherapy Devices (AREA)
NO831085A 1982-04-30 1983-03-25 Fremgangsmaate og apparat for undersoekelse av grunnformasjoner NO831085L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/373,776 US4514809A (en) 1982-04-30 1982-04-30 Dynamic range control of electrode pad current in well logging tools

Publications (1)

Publication Number Publication Date
NO831085L true NO831085L (no) 1983-10-31

Family

ID=23473845

Family Applications (1)

Application Number Title Priority Date Filing Date
NO831085A NO831085L (no) 1982-04-30 1983-03-25 Fremgangsmaate og apparat for undersoekelse av grunnformasjoner

Country Status (5)

Country Link
US (1) US4514809A (da)
EP (1) EP0093260A1 (da)
CA (1) CA1199063A (da)
DK (1) DK169383A (da)
NO (1) NO831085L (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718027A (en) * 1985-10-28 1988-01-05 Halliburton Company Dynamically adjustable linear data discriminator
US4926937A (en) * 1989-06-08 1990-05-22 Western Atlas International, Inc. Compound linkage-arm assembly for use in bore-hole tools
US5236048A (en) * 1991-12-10 1993-08-17 Halliburton Company Apparatus and method for communicating electrical signals in a well, including electrical coupling for electric circuits therein
US5682099A (en) * 1994-03-14 1997-10-28 Baker Hughes Incorporated Method and apparatus for signal bandpass sampling in measurement-while-drilling applications
US5519668A (en) * 1994-05-26 1996-05-21 Schlumberger Technology Corporation Methods and devices for real-time formation imaging through measurement while drilling telemetry
FR2807524B1 (fr) * 2000-04-07 2002-06-28 Schlumberger Services Petrol Procede et dispositif d'investigation de la paroi d'un trou de forage
CN114778948A (zh) * 2022-06-17 2022-07-22 中铁大桥科学研究院有限公司 动水隧道岩体电阻率监测方法及相关设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712627A (en) * 1950-05-12 1955-07-05 Schlumberger Well Surv Corp Electrical resistivity well logging method and apparatus
US2922102A (en) * 1956-04-10 1960-01-19 Schlumberger Well Surv Corp Electrical well logging
US3205433A (en) * 1958-06-20 1965-09-07 Dresser Ind Electrical logging system for establishing a plurality of electrical fields, sampling the established fields and transmitting the samples on a timesharing basis
US3105190A (en) * 1959-11-30 1963-09-24 Dresser Ind Induction logging system utilizing surface reciprocal producing means
US3056917A (en) * 1959-11-30 1962-10-02 Schlumberger Well Surv Corp Methods and apparatus for investigating earth formations
US3405351A (en) * 1966-11-22 1968-10-08 Schlumberger Technology Corp Methods and apparatus for averaging well logging measurements
FR2082203A6 (da) * 1970-03-06 1971-12-10 Schlumberger Prospection
US3790910A (en) * 1972-04-21 1974-02-05 Garrett Corp Conditioning circuit and method for variable frequency sensor
US3947756A (en) * 1974-02-01 1976-03-30 Jury Samuilovich Ryss Device for geophysical prospecting of ore deposits
US4399416A (en) * 1980-11-10 1983-08-16 Texaco Development Corporation Floating point amplifier
US4439831A (en) * 1981-06-08 1984-03-27 Schlumberger Technical Corporation Digital induction logging system including autocalibration

Also Published As

Publication number Publication date
US4514809A (en) 1985-04-30
DK169383D0 (da) 1983-04-18
CA1199063A (en) 1986-01-07
DK169383A (da) 1983-10-31
EP0093260A1 (en) 1983-11-09

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