NO960138L - Apparat for måling av resistiviteten i en jordformasjon - Google Patents

Apparat for måling av resistiviteten i en jordformasjon

Info

Publication number
NO960138L
NO960138L NO960138A NO960138A NO960138L NO 960138 L NO960138 L NO 960138L NO 960138 A NO960138 A NO 960138A NO 960138 A NO960138 A NO 960138A NO 960138 L NO960138 L NO 960138L
Authority
NO
Norway
Prior art keywords
resistivity
measuring
earth formation
earth
formation
Prior art date
Application number
NO960138A
Other languages
English (en)
Other versions
NO960138D0 (no
NO310845B1 (no
Inventor
Otto N Fanini
Antonio Fabris
Original Assignee
Western Atlas Int 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 Western Atlas Int Inc filed Critical Western Atlas Int Inc
Publication of NO960138D0 publication Critical patent/NO960138D0/no
Publication of NO960138L publication Critical patent/NO960138L/no
Publication of NO310845B1 publication Critical patent/NO310845B1/no

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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
NO19960138A 1995-01-17 1996-01-12 Apparat for måling av resistiviteten i en grunnformasjon ved <delta>-<sigma> digital signalgenerering og <sigma>-<delta>digital detektering NO310845B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/373,409 US5585727A (en) 1995-01-17 1995-01-17 Apparatus for measuring resistivity of an earth formation using delta-sigma digital signal generation and sigma-delta digital detection system

Publications (3)

Publication Number Publication Date
NO960138D0 NO960138D0 (no) 1996-01-12
NO960138L true NO960138L (no) 1996-07-18
NO310845B1 NO310845B1 (no) 2001-09-03

Family

ID=23472285

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19960138A NO310845B1 (no) 1995-01-17 1996-01-12 Apparat for måling av resistiviteten i en grunnformasjon ved <delta>-<sigma> digital signalgenerering og <sigma>-<delta>digital detektering

Country Status (5)

Country Link
US (1) US5585727A (no)
CA (1) CA2166919C (no)
GB (1) GB2297165B (no)
NL (1) NL1002114C2 (no)
NO (1) NO310845B1 (no)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6166540A (en) * 1997-06-30 2000-12-26 Wollin Ventures, Inc. Method of resistivity well logging utilizing nuclear magnetic resonance
CA2304310C (en) * 1997-10-08 2004-11-30 Shell Canada Limited Resistivity log correction method
US6816100B1 (en) 1999-03-12 2004-11-09 The Regents Of The University Of California Analog-to-digital converters with common-mode rejection dynamic element matching, including as used in delta-sigma modulators
US6211807B1 (en) 1999-05-26 2001-04-03 Geometrics System using spread spectrum modulation for locating underground objects
US6892137B2 (en) * 2003-04-29 2005-05-10 Pathfinder Energy Services, Inc. Adjustment for frequency dispersion effects in electromagnetic logging data
US7042225B2 (en) * 2003-12-12 2006-05-09 Schlumberger Technology Corporation Apparatus and methods for induction-SFL logging
US8050865B2 (en) * 2008-10-31 2011-11-01 Baker Hughes Incorporated System and method for measuring resistivity parameters of an earth formation
US8614578B2 (en) * 2009-06-18 2013-12-24 Schlumberger Technology Corporation Attenuation of electromagnetic signals passing through conductive material
MX365349B (es) * 2012-07-12 2019-05-30 Halliburton Energy Services Inc Sistema y método para mejorar la precisión de las mediciones de herramientas galvánicas.
WO2015160327A1 (en) * 2014-04-14 2015-10-22 Halliburton Energy Services Inc. Generator for laterolog tool
WO2016018377A1 (en) * 2014-07-31 2016-02-04 Halliburton Energy Services, Inc. Metamaterial electromagnetic sensors for well logging measurements

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328679A (en) * 1964-11-13 1967-06-27 Schlumberger Technology Corp Electromagnetic well logging systems with means for modulating the detected signals
US4361808A (en) * 1980-03-17 1982-11-30 Exxon Production Research Co. Dielectric constant well logging with current and voltage electrodes
US4499422A (en) * 1981-06-08 1985-02-12 Schlumberger Technology Corporation Digital induction logging tool including means for compensating for phase shift errors
US4455529A (en) * 1981-06-08 1984-06-19 Schlumberger Technology Corporation Digital induction logging tool including means for measuring phase quadrature components in a phase sensitive detector
US4439831A (en) * 1981-06-08 1984-03-27 Schlumberger Technical Corporation Digital induction logging system including autocalibration
US4499421A (en) * 1981-06-08 1985-02-12 Schlumberger Technology Corporation Digital induction logging system including means for generating a plurality of transmitter frequencies
US4720681A (en) * 1981-06-08 1988-01-19 Schlumberger Technology Corporation Digital induction logging tool
US4481472A (en) * 1981-08-19 1984-11-06 Schlumberger Technology Corporation Pulsed induction logging for determining conductivity and invaded zone properties
US4451790A (en) * 1981-11-10 1984-05-29 Halliburton Company Spontaneous potential log apparatus with randomly occurring noise cancellation
US5187661A (en) * 1989-07-21 1993-02-16 Halliburton Logging Services, Inc. Method of determining invaded formation properties including resistivity dielectric constant and zone diameter
US5065099A (en) * 1990-02-02 1991-11-12 Halliburton Logging Services, Inc. Coil array for a high resolution induction logging tool and method of logging an earth formation
US5083124A (en) * 1990-04-17 1992-01-21 Teleco Oilfield Services Inc. Nuclear logging tool electronics including programmable gain amplifier and peak detection circuits
US5065098A (en) * 1990-06-18 1991-11-12 The Charles Machine Works, Inc. System for locating concealed underground objects using digital filtering
US5264795A (en) * 1990-06-18 1993-11-23 The Charles Machine Works, Inc. System transmitting and receiving digital and analog information for use in locating concealed conductors
US5329448A (en) * 1991-08-07 1994-07-12 Schlumberger Technology Corporation Method and apparatus for determining horizontal conductivity and vertical conductivity of earth formations
US5357252A (en) * 1993-03-22 1994-10-18 Motorola, Inc. Sigma-delta modulator with improved tone rejection and method therefor

Also Published As

Publication number Publication date
GB2297165B (en) 1998-06-10
CA2166919A1 (en) 1996-07-18
NL1002114A1 (nl) 1996-07-17
GB2297165A (en) 1996-07-24
US5585727A (en) 1996-12-17
NL1002114C2 (nl) 1998-10-14
NO960138D0 (no) 1996-01-12
CA2166919C (en) 1999-09-28
NO310845B1 (no) 2001-09-03
GB9600835D0 (en) 1996-03-20

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