FI71203C - Foerfarande och anordning foer bestaemning av markens elektriska ledningsfoermaoga - Google Patents
Foerfarande och anordning foer bestaemning av markens elektriska ledningsfoermaoga Download PDFInfo
- Publication number
- FI71203C FI71203C FI812349A FI812349A FI71203C FI 71203 C FI71203 C FI 71203C FI 812349 A FI812349 A FI 812349A FI 812349 A FI812349 A FI 812349A FI 71203 C FI71203 C FI 71203C
- Authority
- FI
- Finland
- Prior art keywords
- transmitter
- receiver
- magnetic
- electrical conductivity
- field
- Prior art date
Links
- 230000005684 electric field Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 8
- 239000002689 soil Substances 0.000 claims description 24
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 11
- 230000001419 dependent effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
- G01V3/165—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat operating with magnetic or electric fields produced or modified by the object or by the detecting device
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Electromagnetism (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 Electric Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7909875A SE419269B (sv) | 1979-11-29 | 1979-11-29 | Forfarande och anordning for bestemning av markens elektriska ledningsformaga |
| SE7909875 | 1979-11-29 | ||
| PCT/SE1980/000306 WO1981001617A1 (en) | 1979-11-29 | 1980-11-28 | A method and apparatus for determining the electrical conductivity of the ground |
| SE8000306 | 1980-11-28 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI812349L FI812349L (fi) | 1981-07-27 |
| FI71203B FI71203B (fi) | 1986-08-14 |
| FI71203C true FI71203C (fi) | 1986-11-24 |
Family
ID=20339434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI812349A FI71203C (fi) | 1979-11-29 | 1981-07-27 | Foerfarande och anordning foer bestaemning av markens elektriska ledningsfoermaoga |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4492924A (esLanguage) |
| EP (1) | EP0030218B1 (esLanguage) |
| JP (1) | JPS56501661A (esLanguage) |
| AT (1) | ATE17967T1 (esLanguage) |
| AU (1) | AU536380B2 (esLanguage) |
| BR (1) | BR8008935A (esLanguage) |
| CA (1) | CA1161900A (esLanguage) |
| DE (1) | DE3071424D1 (esLanguage) |
| DK (1) | DK304381A (esLanguage) |
| FI (1) | FI71203C (esLanguage) |
| NO (1) | NO812565L (esLanguage) |
| SE (1) | SE419269B (esLanguage) |
| WO (1) | WO1981001617A1 (esLanguage) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991010923A1 (en) * | 1990-01-16 | 1991-07-25 | Tesla-10 Pty. Ltd. | Connector for trailing instrumentation |
| US6035537A (en) * | 1997-09-30 | 2000-03-14 | The Gillette Company | Razor cartridge with metal clip retaining blades |
| ZA9811489B (en) | 1997-12-19 | 1999-06-18 | Anglo Amer Corp South Africa | Airborne electromagnetic system |
| GB9800276D0 (en) * | 1998-01-07 | 1998-03-04 | Marconi Gec Ltd | Mine detector |
| GB9818875D0 (en) | 1998-08-28 | 1998-10-21 | Norske Stats Oljeselskap | Method and apparatus for determining the nature of subterranean reservoirs |
| GB0002422D0 (en) | 2000-02-02 | 2000-03-22 | Norske Stats Oljeselskap | Method and apparatus for determining the nature of subterranean reservoirs |
| DK1309887T4 (en) * | 2000-08-14 | 2017-10-16 | Electromagnetic Geoservices Asa | Method and apparatus for determining the nature of underground reservoirs |
| AUPR323001A0 (en) * | 2001-02-21 | 2001-03-15 | Macquarie Research Limited | An apparatus and method for detecting an object in a medium |
| GB2413188B (en) | 2001-08-07 | 2006-01-11 | Electromagnetic Geoservices As | Method and apparatus for determining the nature of subterranean reservoirs |
| GB2383133A (en) * | 2001-08-07 | 2003-06-18 | Statoil Asa | Investigation of subterranean reservoirs |
| GB2385923B (en) | 2002-05-24 | 2004-07-28 | Statoil Asa | System and method for electromagnetic wavefield resolution |
| AU2003286017B2 (en) * | 2002-11-20 | 2009-12-17 | Geotech Ltd. | Airbone electromagnetic time domain system, computer product and method |
| GB2399640B (en) | 2003-03-17 | 2007-02-21 | Statoil Asa | Method and apparatus for determining the nature of submarine reservoirs |
| GB2409900B (en) | 2004-01-09 | 2006-05-24 | Statoil Asa | Processing seismic data representing a physical system |
| GB2422673B (en) * | 2005-02-01 | 2010-03-24 | Electromagnetic Geoservices As | Optimum signal for sea bed logging |
| GB2434868B (en) | 2006-02-06 | 2010-05-12 | Statoil Asa | Method of conducting a seismic survey |
| GB2435693A (en) * | 2006-02-09 | 2007-09-05 | Electromagnetic Geoservices As | Seabed electromagnetic surveying |
| GB2439378B (en) * | 2006-06-09 | 2011-03-16 | Electromagnetic Geoservices As | Instrument for measuring electromagnetic signals |
| GB2442749B (en) | 2006-10-12 | 2010-05-19 | Electromagnetic Geoservices As | Positioning system |
| US8564296B2 (en) * | 2006-12-06 | 2013-10-22 | Technoimaging, Llc. | Systems and methods for remote electromagnetic exploration for mineral and energy resources |
| US9110183B2 (en) | 2006-12-06 | 2015-08-18 | Technoimaging, Llc | Systems and methods for remote electromagnetic exploration for mineral and energy resources using stationary long-range transmitters |
| GB2445582A (en) | 2007-01-09 | 2008-07-16 | Statoil Asa | Method for analysing data from an electromagnetic survey |
| RU2392628C1 (ru) * | 2009-04-20 | 2010-06-20 | Государственное образовательное учреждение высшего профессионального образования Омский государственный университет путей сообщения | Способ определения наличия соединения в месте пересечения горизонтальных элементов заземляющего устройства |
| CA2829617C (en) * | 2011-03-31 | 2017-09-05 | Laurentian University Of Sudbury | Multi-component electromagnetic prospecting apparatus and method of use thereof |
| EP3150493A1 (fr) * | 2014-02-28 | 2017-04-05 | Action Communication | Plateforme aéroportée pour aéronef comportant des moyens correcteurs d'assiette et attelage associé |
| EP3364215A1 (en) * | 2017-02-21 | 2018-08-22 | Action Communication | Airborne towed meshless frame for geophysical measurement devices |
| US10845498B2 (en) * | 2018-11-06 | 2020-11-24 | Saudi Arabian Oil Company | Drone-based electromagnetics for early detection of shallow drilling hazards |
| JP7223395B2 (ja) * | 2018-11-20 | 2023-02-16 | 有限会社ネオサイエンス | 空中電磁探査装置、及び空中電磁探査の方法 |
| KR101993364B1 (ko) * | 2018-12-28 | 2019-06-26 | 한국지질자원연구원 | 가탐심도의 조정이 가능한 비행선 기반의 전자탐사 시스템 |
| EP4305653A1 (en) | 2021-03-12 | 2024-01-17 | Essex Industries, Inc. | Rocker switch |
| US11688568B2 (en) | 2021-03-15 | 2023-06-27 | Essex Industries, Inc. | Five-position switch |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA795919A (en) * | 1968-10-01 | Her Majesty In Right Of Canada As Represented By The Minister Of Natural Resources | Radiohm method for earth resistivity mapping | |
| US3014176A (en) * | 1957-02-01 | 1961-12-19 | Dominion Aerotronics Ltd | Airborne electromagnetic prospecting apparatus |
| US2931973A (en) * | 1957-10-24 | 1960-04-05 | Canadian Airborne Geophysics L | Electromagnetic exploration method |
| US2955251A (en) * | 1957-10-24 | 1960-10-04 | Int Nickel Co | Geophysical exploring |
| GB1239953A (en) * | 1967-06-06 | 1971-07-21 | Rech S Geol Et Minieres Bureau | Improvements in or relating to methods and apparatus for determining the electrical resistance of the sub-soil |
| GB1261732A (en) * | 1968-03-09 | 1972-01-26 | Barringer Research Ltd | Electromagnetic exploration method and apparatus |
| US3763419A (en) * | 1969-03-06 | 1973-10-02 | Barringer Research Ltd | Geophysical exploration method using the vertical electric component of a vlf field as a reference |
| JPS5438758B2 (esLanguage) * | 1973-06-29 | 1979-11-22 | ||
| US3936728A (en) * | 1973-11-29 | 1976-02-03 | Mcphar Geophysics Limited | Method and means for investigating the distribution of electrical conductivity in the ground |
| FR2288988A1 (fr) * | 1974-07-30 | 1976-05-21 | Duroux Jean | Procede et appareil de prospection en mer par mesure de champs electromagnetiques |
| SE389202B (sv) * | 1974-10-11 | 1976-10-25 | Barringer Research Ltd | Sett att detaktera en ledande kropp, serskilt for utforande av geofysisk prospektering och for detektering av metaller, minor och vapen |
| FR2368048A1 (fr) * | 1976-10-15 | 1978-05-12 | Elf Aquitaine | Dispositif de reception et de mesure directe en continu de signaux electriques magnetiques. |
| FR2390743A1 (fr) * | 1977-05-09 | 1978-12-08 | Geophysique Cie Gle | Prospection electromagnetique du sous-sol par induction, associee a une prospection par sondage electrique |
-
1979
- 1979-11-29 SE SE7909875A patent/SE419269B/sv not_active IP Right Cessation
-
1980
- 1980-11-12 CA CA000364512A patent/CA1161900A/en not_active Expired
- 1980-11-28 US US06/285,077 patent/US4492924A/en not_active Expired - Lifetime
- 1980-11-28 WO PCT/SE1980/000306 patent/WO1981001617A1/en not_active Ceased
- 1980-11-28 BR BR8008935A patent/BR8008935A/pt unknown
- 1980-11-28 AT AT80850180T patent/ATE17967T1/de not_active IP Right Cessation
- 1980-11-28 JP JP50013081A patent/JPS56501661A/ja active Pending
- 1980-11-28 DE DE8080850180T patent/DE3071424D1/de not_active Expired
- 1980-11-28 AU AU65760/80A patent/AU536380B2/en not_active Ceased
- 1980-11-28 EP EP80850180A patent/EP0030218B1/en not_active Expired
-
1981
- 1981-07-09 DK DK304381A patent/DK304381A/da not_active Application Discontinuation
- 1981-07-27 NO NO812565A patent/NO812565L/no unknown
- 1981-07-27 FI FI812349A patent/FI71203C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3071424D1 (en) | 1986-03-27 |
| JPS56501661A (esLanguage) | 1981-11-12 |
| AU536380B2 (en) | 1984-05-03 |
| EP0030218A2 (en) | 1981-06-10 |
| FI812349L (fi) | 1981-07-27 |
| DK304381A (da) | 1981-07-09 |
| AU6576080A (en) | 1981-06-19 |
| US4492924A (en) | 1985-01-08 |
| WO1981001617A1 (en) | 1981-06-11 |
| ATE17967T1 (de) | 1986-02-15 |
| CA1161900A (en) | 1984-02-07 |
| BR8008935A (pt) | 1981-10-20 |
| EP0030218B1 (en) | 1986-02-12 |
| NO812565L (no) | 1981-07-27 |
| EP0030218A3 (en) | 1982-02-03 |
| SE419269B (sv) | 1981-07-20 |
| FI71203B (fi) | 1986-08-14 |
| SE7909875L (sv) | 1981-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI71203C (fi) | Foerfarande och anordning foer bestaemning av markens elektriska ledningsfoermaoga | |
| US3936728A (en) | Method and means for investigating the distribution of electrical conductivity in the ground | |
| US4994747A (en) | Method and apparatus for detecting underground electrically conductive objects | |
| US4295095A (en) | Apparatus and method for detecting the location of metallic objects having alternating current passing therethrough | |
| AU640862B2 (en) | Improved long feature vertical or horizontal electrical conductor detection methodology using phase coherent electromagnetic instrumentation | |
| US7474102B2 (en) | Rectangular-wave transmitting metal detector | |
| US2652530A (en) | Electromagnetic induction method and apparatus for locating subterranenan electrically conductive bodies | |
| NO754170L (esLanguage) | ||
| US4393350A (en) | Method for rapidly detecting subterranean tunnels by detecting a non-null value of a resultant horizontal magnetic field component | |
| US3836841A (en) | Electromagnetic device for determining the conductance of a nearby body by a single supercooled inductor coil | |
| US3149278A (en) | Method of geophysical prospecting by measuring the earth's magnetic time transients simultaneously in two different directions | |
| US5038106A (en) | Detector of metalliferous objects having two pairs of receiving loops symmetrical and orthogonal to a driving loop | |
| US4290020A (en) | Method and apparatus for detecting subterranean anomalies by generating two parallel magnetic fields | |
| Dunbar | The performance of a magnetic loop transmitter-receiver system submerged in the sea | |
| US5777476A (en) | Ground global tomography (CGT) using modulation of the ionospheric electrojets | |
| Huiming et al. | Detecting underground cables and metal conducting pipes by using EM methods | |
| CA1161113A (en) | Geophysical surveying method | |
| GB1513595A (en) | Radio frequency dielectric induction well logging system | |
| Zhao et al. | Simulation of seawater eddy current loss in in-situ detection system for the magnetic properties of seabed sediments | |
| RlIfOEN | GurAMSYE AUYNN• AS NOR DYEYIOZ OF 01TUN• LN• BY SCCkT'lERNWBD ELC IlASKS CWAYM LARRY a. SOLJA• RZYX | |
| JPH0659048A (ja) | 誘導送信式埋設管探知装置及びその送信器 | |
| Cress et al. | Sensing of gradient electromagnetic fields from subsurface conducting targets | |
| BURLAN-ROTAR et al. | CONSIDERATIONS ON CONTACTLESS MEASUREMENTS IN HYDROGEOLOGY USING VERY LOW FREQUENCY ELECTROMAGNETIC TECHNIQUES | |
| Otten et al. | Application of active audiomagnetotellurics (AAMT) in the geothermal field of Travale, Tuscany | |
| RU2059270C1 (ru) | Способ определения фазы геоэлектрического импеданса |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: BOLIDEN AKTIEBOLAG |