NO128130B - - Google Patents
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- Publication number
- NO128130B NO128130B NO718A NO871A NO128130B NO 128130 B NO128130 B NO 128130B NO 718 A NO718 A NO 718A NO 871 A NO871 A NO 871A NO 128130 B NO128130 B NO 128130B
- Authority
- NO
- Norway
- Prior art keywords
- voltage
- alternating current
- phase
- supplied
- electrodes
- Prior art date
Links
- 230000005684 electric field Effects 0.000 claims description 18
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000010363 phase shift Effects 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 14
- 238000000691 measurement method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE00081/70A SE352742B (fr) | 1970-01-05 | 1970-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO128130B true NO128130B (fr) | 1973-10-01 |
Family
ID=20256005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO718A NO128130B (fr) | 1970-01-05 | 1971-01-04 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3701940A (fr) |
| JP (1) | JPS5023641B1 (fr) |
| DE (1) | DE2064656C3 (fr) |
| FI (1) | FI55096C (fr) |
| FR (1) | FR2075177A5 (fr) |
| GB (1) | GB1320871A (fr) |
| NO (1) | NO128130B (fr) |
| SE (1) | SE352742B (fr) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3801896A (en) * | 1971-09-21 | 1974-04-02 | Co D Applic Et De Diffusion De | Method for determining the electrical resistivity of the subsoil by electromagnetic surface waves and apparatus for subsoil prospecting by measuring electromagnetic fields |
| SE365619B (fr) * | 1972-07-26 | 1974-03-25 | Boliden Ab | |
| 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 |
| US4370610A (en) * | 1978-08-30 | 1983-01-25 | Bicc Public Limited Company | Locating sheath faults in underground power supply cables |
| US4359687A (en) * | 1980-01-25 | 1982-11-16 | Shell Oil Company | Method and apparatus for determining shaliness and oil saturations in earth formations using induced polarization in the frequency domain |
| US4398151A (en) * | 1980-01-25 | 1983-08-09 | Shell Oil Company | Method for correcting an electrical log for the presence of shale in a formation |
| GB2132357A (en) * | 1982-12-17 | 1984-07-04 | Standard Telephones Cables Ltd | Buried object location |
| 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 |
| WO1993006507A1 (fr) * | 1991-09-13 | 1993-04-01 | Gennady Alexandrovich Isaev | Procede d'exploration geologique electrique |
| US5530846A (en) * | 1993-12-29 | 1996-06-25 | International Business Machines Corporation | System for decoupling clock amortization from clock synchronization |
| WO1998018023A1 (fr) * | 1996-10-18 | 1998-04-30 | Dehnert Joerg | Procede et dispositif de mesure avec courant alternatif sinusoidal dans le domaine de la geoelectricite a courant continu |
| US20080290875A1 (en) * | 1996-11-04 | 2008-11-27 | Park Larry A | Seismic activity detector |
| US5742166A (en) * | 1996-11-04 | 1998-04-21 | Park; Larry | Seismic activity predictor including a dielectric for receiving precursor seismic electromagnetic waveforms |
| US20050179436A1 (en) * | 1996-11-04 | 2005-08-18 | Larry Park | Seismic activity detector |
| US6188221B1 (en) | 1998-08-07 | 2001-02-13 | Van De Kop Franz | Method and apparatus for transmitting electromagnetic waves and analyzing returns to locate underground fluid deposits |
| US8023360B2 (en) * | 2008-08-29 | 2011-09-20 | Park Larry A | Seismic activity detector |
| US8577631B2 (en) * | 2010-01-26 | 2013-11-05 | Power Survey Llc | Method and apparatus for discrimination of sources in stray voltage detection |
| CN102590619B (zh) * | 2012-03-14 | 2014-01-08 | 国家电网公司 | 基于定时变量的实时测量设备的时间同步能力检测方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2390270A (en) * | 1942-01-05 | 1945-12-04 | Phillips Petroleum Co | Method of surface prospecting |
| US2343140A (en) * | 1942-01-08 | 1944-02-29 | Nordel Corp | Apparatus for making geophysical explorations |
| US2375775A (en) * | 1943-02-25 | 1945-05-15 | Nordel Corp | Electrical prospecting system |
| US2977417A (en) * | 1958-08-18 | 1961-03-28 | Collins Radio Co | Minimum-shift data communication system |
| US3113265A (en) * | 1958-11-28 | 1963-12-03 | Atlantic Refining Co | Method and means of electrical prospecting using analog models and electrode impedance cancelling apparatus |
| DE1294547B (de) * | 1964-08-08 | 1969-05-08 | Wandel & Goltermann | Verfahren zum Messen von an Vierpolen auftretenden frequenzabhaengigen Gruppenlaufzeitverzerrungen |
| DE1516253C3 (de) * | 1965-05-17 | 1974-12-12 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren und Schaltungsanordnung zur Messung der Phasenverzerrungen eines elektrischen Vierpols, insbesondere Übertragungssystems |
-
1970
- 1970-01-05 SE SE00081/70A patent/SE352742B/xx unknown
- 1970-12-28 US US102020A patent/US3701940A/en not_active Expired - Lifetime
- 1970-12-30 JP JP45123155A patent/JPS5023641B1/ja active Pending
- 1970-12-31 DE DE2064656A patent/DE2064656C3/de not_active Expired
- 1970-12-31 FR FR7047595A patent/FR2075177A5/fr not_active Expired
-
1971
- 1971-01-01 GB GB6971A patent/GB1320871A/en not_active Expired
- 1971-01-04 NO NO718A patent/NO128130B/no unknown
- 1971-01-05 FI FI12/71A patent/FI55096C/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| US3701940A (en) | 1972-10-31 |
| SE352742B (fr) | 1973-01-08 |
| FR2075177A5 (fr) | 1971-10-08 |
| JPS5023641B1 (fr) | 1975-08-09 |
| FI55096C (fi) | 1979-05-10 |
| DE2064656B2 (de) | 1977-10-20 |
| GB1320871A (en) | 1973-06-20 |
| DE2064656A1 (de) | 1972-11-09 |
| DE2064656C3 (de) | 1978-06-15 |
| FI55096B (fi) | 1979-01-31 |
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