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FR1335569A - Improvements to inductive conductivity measuring devices - Google Patents

Improvements to inductive conductivity measuring devices

Info

Publication number
FR1335569A
FR1335569A FR903329A FR903329A FR1335569A FR 1335569 A FR1335569 A FR 1335569A FR 903329 A FR903329 A FR 903329A FR 903329 A FR903329 A FR 903329A FR 1335569 A FR1335569 A FR 1335569A
Authority
FR
France
Prior art keywords
measuring devices
conductivity measuring
inductive conductivity
inductive
devices
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
FR903329A
Other languages
French (fr)
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.)
Services Petroliers Schlumberger SA
Original Assignee
Societe de Prospection Electrique Schlumberger SA
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
Priority to NL132706D priority Critical patent/NL132706C/xx
Priority to BE633100D priority patent/BE633100A/xx
Priority to NL294973D priority patent/NL294973A/xx
Priority to US752039A priority patent/US2519966A/en
Application filed by Societe de Prospection Electrique Schlumberger SA filed Critical Societe de Prospection Electrique Schlumberger SA
Priority to FR903329A priority patent/FR1335569A/en
Priority to GB22565/63A priority patent/GB1001379A/en
Priority to DE1963S0085771 priority patent/DE1616646B1/en
Priority to US292639A priority patent/US3340464A/en
Application granted granted Critical
Publication of FR1335569A publication Critical patent/FR1335569A/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
    • G01V3/26—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
    • G01N27/025—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil a current being generated within the material by induction
    • 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
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • 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
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • G01V3/105—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Geophysics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR903329A 1946-06-11 1962-07-07 Improvements to inductive conductivity measuring devices Expired FR1335569A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL132706D NL132706C (en) 1946-06-11
BE633100D BE633100A (en) 1946-06-11
NL294973D NL294973A (en) 1946-06-11
US752039A US2519966A (en) 1946-06-11 1947-06-03 Fountain pen
FR903329A FR1335569A (en) 1962-07-07 1962-07-07 Improvements to inductive conductivity measuring devices
GB22565/63A GB1001379A (en) 1946-06-11 1963-06-06 Improvements in or relating to a method of and apparatus for measuring conductivities through induction
DE1963S0085771 DE1616646B1 (en) 1946-06-11 1963-06-21 METHOD AND CIRCUIT ARRANGEMENTS FOR MEASURING THE ELECTRICAL CONDUCTIVITY OF A DUT
US292639A US3340464A (en) 1946-06-11 1963-07-03 Induction investigation apparatus having time shared operations including phase calibration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR903329A FR1335569A (en) 1962-07-07 1962-07-07 Improvements to inductive conductivity measuring devices

Publications (1)

Publication Number Publication Date
FR1335569A true FR1335569A (en) 1963-08-23

Family

ID=8782746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR903329A Expired FR1335569A (en) 1946-06-11 1962-07-07 Improvements to inductive conductivity measuring devices

Country Status (1)

Country Link
FR (1) FR1335569A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015822A1 (en) * 1979-03-09 1980-09-17 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Digital eddy current apparatus for testing specimens
EP0212324A2 (en) * 1985-08-22 1987-03-04 Micro-Epsilon Messtechnik GmbH & Co. Kommanditgesellschaft Contactless method for testing electrically conductive objects, and apparatus for carrying out this method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015822A1 (en) * 1979-03-09 1980-09-17 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Digital eddy current apparatus for testing specimens
FR2451032A1 (en) * 1979-03-09 1980-10-03 Commissariat Energie Atomique DIGITAL APPARATUS FOR CHECKING WORKPIECES BY EDGE CURRENT
US4322683A (en) * 1979-03-09 1982-03-30 Commissariat A L'energie Atomique Control apparatus for eddy current non-destructive testing using a digital compensating circuit
EP0212324A2 (en) * 1985-08-22 1987-03-04 Micro-Epsilon Messtechnik GmbH & Co. Kommanditgesellschaft Contactless method for testing electrically conductive objects, and apparatus for carrying out this method
EP0212324A3 (en) * 1985-08-22 1989-03-15 Micro-Epsilon Messtechnik GmbH & Co. Kommanditgesellschaft Contactless method for testing electrically conductive objects, and apparatus for carrying out this method

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