JPS4944901A - - Google Patents
Info
- Publication number
- JPS4944901A JPS4944901A JP48084824A JP8482473A JPS4944901A JP S4944901 A JPS4944901 A JP S4944901A JP 48084824 A JP48084824 A JP 48084824A JP 8482473 A JP8482473 A JP 8482473A JP S4944901 A JPS4944901 A JP S4944901A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
- G01V3/06—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation 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)
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE09758/72A SE365619B (ja) | 1972-07-26 | 1972-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4944901A true JPS4944901A (ja) | 1974-04-27 |
Family
ID=20277467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48084824A Pending JPS4944901A (ja) | 1972-07-26 | 1973-07-26 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3849722A (ja) |
| JP (1) | JPS4944901A (ja) |
| AU (1) | AU471378B2 (ja) |
| CA (1) | CA998104A (ja) |
| DE (1) | DE2335850C3 (ja) |
| FR (1) | FR2193985B1 (ja) |
| GB (1) | GB1431588A (ja) |
| NO (1) | NO137976C (ja) |
| SE (1) | SE365619B (ja) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2272442B1 (ja) * | 1974-05-21 | 1977-03-11 | Aquitaine Petrole | |
| US3967190A (en) * | 1974-12-23 | 1976-06-29 | Zonge Kenneth L | Method using induced polarization for ore discrimination in disseminated earth deposits |
| US3984759A (en) * | 1975-03-21 | 1976-10-05 | Soquem | Apparatus for use in an induced polarization system for measuring the deformation of a periodic signal concealed in noise |
| US4507611A (en) * | 1978-02-08 | 1985-03-26 | Helms Ronald L | Method for detecting surface and subsurface anomalies of the earth using vertical current measurements |
| US4323848A (en) * | 1980-03-17 | 1982-04-06 | Cornell Research Foundation, Inc. | Plural sensor magnetometer arrangement for extended lateral range electrical conductivity logging |
| US4372398A (en) * | 1980-11-04 | 1983-02-08 | Cornell Research Foundation, Inc. | Method of determining the location of a deep-well casing by magnetic field sensing |
| US4443762A (en) * | 1981-06-12 | 1984-04-17 | Cornell Research Foundation, Inc. | Method and apparatus for detecting the direction and distance to a target well casing |
| US4835474A (en) * | 1986-11-24 | 1989-05-30 | Southwest Research Institute | Method and apparatus for detecting subsurface anomalies |
| US4804906A (en) * | 1987-02-05 | 1989-02-14 | Chevron Research Company | Method and apparatus for well casing inspection |
| US4942361A (en) * | 1988-06-07 | 1990-07-17 | Oryx Energy Company | Method and apparatus for determining earth resistivities in the presence of extraneous earth currents |
| EP0397655B1 (fr) * | 1988-11-22 | 1992-09-16 | Bureau D'electronique Appliquee, B.E.A., S.A. | Appareil et procede de prospection electrique du sous-sol |
| DK12291D0 (da) * | 1991-01-24 | 1991-01-24 | Kurt I Soerensen | Maaleudstyr til elektrisk profilering af et terraen |
| FR2712627B1 (fr) * | 1993-11-17 | 1996-01-05 | Schlumberger Services Petrol | Procédé et dispositif pour surveiller et/ou étudier un réservoir d'hydrocarbures traversé par un puits. |
| US5686828A (en) * | 1995-12-19 | 1997-11-11 | New York State Electric & Gas Corporation | Method for locating the joints and fracture points of underground jointed metallic pipes and cast-iron-gas-main-pipeline joint locator system |
| US5742166A (en) * | 1996-11-04 | 1998-04-21 | Park; Larry | Seismic activity predictor including a dielectric for receiving precursor seismic electromagnetic waveforms |
| US20080290875A1 (en) * | 1996-11-04 | 2008-11-27 | Park Larry A | Seismic activity detector |
| US20050179436A1 (en) * | 1996-11-04 | 2005-08-18 | Larry Park | Seismic activity detector |
| US5855721A (en) * | 1997-03-11 | 1999-01-05 | The Regents Of The University Of California | Non-destructive method of determining the position and condition of reinforcing steel in concrete |
| US8023360B2 (en) * | 2008-08-29 | 2011-09-20 | Park Larry A | Seismic activity detector |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3525037A (en) * | 1967-11-14 | 1970-08-18 | Ampex | Method and apparatus for measuring subsurface electrical impedance utilizing first and second successively transmitted signals at different frequencies |
| SE352742B (ja) * | 1970-01-05 | 1973-01-08 | Boliden Ab | |
| US3679978A (en) * | 1970-01-19 | 1972-07-25 | George H Hopkins Jr | Induced polarization system and method for geological investigation having a stable waveform |
-
1972
- 1972-07-26 SE SE09758/72A patent/SE365619B/xx unknown
-
1973
- 1973-07-02 US US00375923A patent/US3849722A/en not_active Expired - Lifetime
- 1973-07-05 AU AU57760/73A patent/AU471378B2/en not_active Expired
- 1973-07-11 GB GB3311173A patent/GB1431588A/en not_active Expired
- 1973-07-11 CA CA176,180A patent/CA998104A/en not_active Expired
- 1973-07-14 DE DE2335850A patent/DE2335850C3/de not_active Expired
- 1973-07-25 NO NO3002/73A patent/NO137976C/no unknown
- 1973-07-26 JP JP48084824A patent/JPS4944901A/ja active Pending
- 1973-07-26 FR FR7327448A patent/FR2193985B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA998104A (en) | 1976-10-05 |
| SE365619B (ja) | 1974-03-25 |
| NO137976B (no) | 1978-02-20 |
| FR2193985A1 (ja) | 1974-02-22 |
| DE2335850A1 (de) | 1974-02-07 |
| DE2335850B2 (de) | 1977-09-15 |
| FR2193985B1 (ja) | 1976-04-09 |
| AU5776073A (en) | 1975-01-09 |
| GB1431588A (en) | 1976-04-07 |
| NO137976C (no) | 1978-06-07 |
| AU471378B2 (en) | 1976-04-15 |
| US3849722A (en) | 1974-11-19 |
| DE2335850C3 (de) | 1978-05-18 |