FR2343257A1 - Sonde de mesure de la susceptibilite magnetique des terrains - Google Patents
Sonde de mesure de la susceptibilite magnetique des terrainsInfo
- Publication number
- FR2343257A1 FR2343257A1 FR7606136A FR7606136A FR2343257A1 FR 2343257 A1 FR2343257 A1 FR 2343257A1 FR 7606136 A FR7606136 A FR 7606136A FR 7606136 A FR7606136 A FR 7606136A FR 2343257 A1 FR2343257 A1 FR 2343257A1
- Authority
- FR
- France
- Prior art keywords
- screened
- circuits
- measurement
- graphite layer
- magnetic susceptibility
- 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.)
- Granted
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7606136A FR2343257A1 (fr) | 1976-03-04 | 1976-03-04 | Sonde de mesure de la susceptibilite magnetique des terrains |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7606136A FR2343257A1 (fr) | 1976-03-04 | 1976-03-04 | Sonde de mesure de la susceptibilite magnetique des terrains |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2343257A1 true FR2343257A1 (fr) | 1977-09-30 |
FR2343257B1 FR2343257B1 (fr) | 1981-05-29 |
Family
ID=9169938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7606136A Granted FR2343257A1 (fr) | 1976-03-04 | 1976-03-04 | Sonde de mesure de la susceptibilite magnetique des terrains |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2343257A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2699286A1 (fr) * | 1992-12-15 | 1994-06-17 | Inst Francais Du Petrole | Dispositif et méthode pour mesurer la conductivité des formations géologiques autour d'un puits. |
-
1976
- 1976-03-04 FR FR7606136A patent/FR2343257A1/fr active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2699286A1 (fr) * | 1992-12-15 | 1994-06-17 | Inst Francais Du Petrole | Dispositif et méthode pour mesurer la conductivité des formations géologiques autour d'un puits. |
WO1994014087A1 (fr) * | 1992-12-15 | 1994-06-23 | Institut Français Du Petrole | Dispositif et methode pour mesurer la conductivite des formations geologiques autour d'un puits |
GB2278688A (en) * | 1992-12-15 | 1994-12-07 | Inst Francais Du Petrole | Device and method for measuring the conductivity of geological formations adjacent a well |
GB2278688B (en) * | 1992-12-15 | 1996-11-20 | Inst Francais Du Petrole | Device and method for measuring the conductivity of geological formations around a well |
Also Published As
Publication number | Publication date |
---|---|
FR2343257B1 (fr) | 1981-05-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Primdahl | The fluxgate mechanism, part I: The gating curves of parallel and orthogonal fluxgates | |
Ripka | Review of fluxgate sensors | |
Calcagno et al. | Semiautomatic permeance tester for thick magnetic films | |
US3218547A (en) | Flux sensing device using a tubular core with toroidal gating coil and solenoidal output coil wound thereon | |
JPS53103793A (en) | Radio high frequency coil circuit for wideetuning range nuclear magnetic resonance probe | |
US2975360A (en) | Magnetoabsorption flux meter and gradiometer | |
Marshall | An analytic model for the fluxgate magnetometer | |
US2861242A (en) | Magnetometer | |
GB2141236A (en) | Nuclear magnetic logging | |
US3621382A (en) | Anistropic thin ferromagnetic film magnetometer | |
GB746114A (en) | Methods and apparatus for the nondestructive testing of materials | |
US3434047A (en) | Magnetic field sensing and measuring apparatus | |
US4835471A (en) | Measuring device with oscillation circuit including an exciting coil and tuned to a specific resonant frequency, for determining content of magnetizable substances in materials | |
US3422345A (en) | Method and apparatus for measuring the ratio and phase relation of an electric field to a correlated magnetic field | |
FR2343257A1 (fr) | Sonde de mesure de la susceptibilite magnetique des terrains | |
US3496458A (en) | Method and apparatus for detecting and measuring cracks in metal structures | |
US3614618A (en) | Magnetic susceptibility tester | |
US2892151A (en) | Apparatus for locating anomalies in a well bore | |
GB839486A (en) | Method of and apparatus for locating anomalies in a well bore | |
US2776404A (en) | Magnetometer | |
GB1397246A (en) | Apparatus for the measurement of magnetic fields | |
of Moldovanu et al. | Functional study of fluxgate sensors with amorphous magnetic materials cores | |
US3179878A (en) | Method and apparatus for the nondestructive testing of materials | |
Grossinger et al. | Calibration of an industrial pulsed field magnetometer | |
US4680657A (en) | Method and apparatus for reproducing magnetically recorded signals with a D.C. biasing magnetic field produced by a D.C. biasing coil |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |