CA2057326C - Method for determining electromagnetically the locations of underground conductive bodies - Google Patents

Method for determining electromagnetically the locations of underground conductive bodies

Info

Publication number
CA2057326C
CA2057326C CA002057326A CA2057326A CA2057326C CA 2057326 C CA2057326 C CA 2057326C CA 002057326 A CA002057326 A CA 002057326A CA 2057326 A CA2057326 A CA 2057326A CA 2057326 C CA2057326 C CA 2057326C
Authority
CA
Canada
Prior art keywords
electromagnetic field
field
primary
reference coil
receiver
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 - Lifetime
Application number
CA002057326A
Other languages
English (en)
French (fr)
Other versions
CA2057326A1 (en
Inventor
Svante Holmqvist
Robert Pantze
Stig Strombergsson
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.)
Boliden Mineral AB
Original Assignee
Boliden Mineral AB
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
Application filed by Boliden Mineral AB filed Critical Boliden Mineral AB
Publication of CA2057326A1 publication Critical patent/CA2057326A1/en
Application granted granted Critical
Publication of CA2057326C publication Critical patent/CA2057326C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01V3/08—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
    • G01V3/107—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 using compensating coil or loop arrangements

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)
CA002057326A 1991-01-04 1991-12-10 Method for determining electromagnetically the locations of underground conductive bodies Expired - Lifetime CA2057326C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9100018A SE9100018L (sv) 1991-01-04 1991-01-04 Saett foer elektromagnetisk bestaemning av ledande kroppars laege under markytan
SE9100018-2 1991-01-04

Publications (2)

Publication Number Publication Date
CA2057326A1 CA2057326A1 (en) 1992-07-05
CA2057326C true CA2057326C (en) 1995-11-07

Family

ID=20381532

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002057326A Expired - Lifetime CA2057326C (en) 1991-01-04 1991-12-10 Method for determining electromagnetically the locations of underground conductive bodies

Country Status (6)

Country Link
US (1) US5208539A ( )
EP (1) EP0494130B1 ( )
AU (1) AU640543B2 ( )
CA (1) CA2057326C ( )
ES (1) ES2072743T3 ( )
SE (1) SE9100018L ( )

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5652519A (en) * 1994-01-13 1997-07-29 Jesse G. Robison Method and apparatus for measuring pollutants contaminating earth formation
US5892362A (en) * 1994-01-13 1999-04-06 Jesse G. Robison Method and apparatus for spacially continuous two-dimensional imaging of subsurface conditions through surface induction techniques
DE19547956A1 (de) * 1995-12-21 1997-06-26 Klaus Ebinger Elektromagnetisches Suchverfahren und Sondenanordnung zur Ortung von unter der Oberfläche liegenden Objekten
SE9703429L (sv) * 1997-09-23 1998-11-02 Boliden Ab Förfarande för elektromagnetisk sondering av borrhål jämte en sändar- och en mottagaranordning för förfarandets förverkligande
US6853194B2 (en) * 2000-03-22 2005-02-08 The Johns Hopkins University Electromagnetic target discriminator sensor system and method for detecting and identifying metal targets
US6725161B1 (en) * 2001-04-26 2004-04-20 Applied Minds, Inc. Method for locating and identifying underground structures with horizontal borehole to surface tomography
US6837105B1 (en) * 2003-09-18 2005-01-04 Baker Hughes Incorporated Atomic clock for downhole applications
AU2015207977B2 (en) 2014-08-06 2021-01-21 Xcalibur Mph Switzerland Sa Systems and methods for active cancellation of transient signals and dynamic loop configuration
CN107884834A (zh) * 2017-10-19 2018-04-06 中煤科工集团西安研究院有限公司 同源多场瞬变电磁探测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919397A (en) * 1956-04-30 1959-12-29 Lawrence W Morley Method and apparatus for inductive prospecting
FR2283451A1 (fr) * 1974-06-14 1976-03-26 Rech Geolog Miniere Methode et appareil de reconnaissance geophysique dans les forages par ondes tres basses frequences
AR207374A1 (es) * 1974-09-13 1976-09-30 Ciba Geigy Ag Procedimiento para la obtencion de granulados de pigmentos dispersables que no producen polvillo
US4314251A (en) * 1979-07-30 1982-02-02 The Austin Company Remote object position and orientation locater
GB2148012B (en) * 1983-10-05 1987-04-01 Robert Wesley Cobcroft Induced magnetic field borehole surveying method and probe
AU577546B2 (en) * 1983-10-05 1988-09-29 Commonwealth Of Australia, The Induced magnetic field borehole surveying method

Also Published As

Publication number Publication date
SE9100018L (sv) 1992-07-05
CA2057326A1 (en) 1992-07-05
US5208539A (en) 1993-05-04
AU640543B2 (en) 1993-08-26
SE9100018D0 (sv) 1991-01-04
ES2072743T3 (es) 1995-07-16
EP0494130A1 (en) 1992-07-08
AU8887091A (en) 1992-07-09
EP0494130B1 (en) 1995-05-24

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Legal Events

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