SE9100018L - Saett foer elektromagnetisk bestaemning av ledande kroppars laege under markytan - Google Patents

Saett foer elektromagnetisk bestaemning av ledande kroppars laege under markytan

Info

Publication number
SE9100018L
SE9100018L SE9100018A SE9100018A SE9100018L SE 9100018 L SE9100018 L SE 9100018L SE 9100018 A SE9100018 A SE 9100018A SE 9100018 A SE9100018 A SE 9100018A SE 9100018 L SE9100018 L SE 9100018L
Authority
SE
Sweden
Prior art keywords
field
primary
ground
values
phase
Prior art date
Application number
SE9100018A
Other languages
Unknown language ( )
English (en)
Other versions
SE9100018D0 (sv
Inventor
S Holmqvist
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
Priority to SE9100018A priority Critical patent/SE9100018L/sv
Publication of SE9100018D0 publication Critical patent/SE9100018D0/sv
Priority to AU88870/91A priority patent/AU640543B2/en
Priority to CA002057326A priority patent/CA2057326C/en
Priority to US07/815,809 priority patent/US5208539A/en
Priority to ES92850002T priority patent/ES2072743T3/es
Priority to EP92850002A priority patent/EP0494130B1/en
Publication of SE9100018L publication Critical patent/SE9100018L/sv

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)
SE9100018A 1991-01-04 1991-01-04 Saett foer elektromagnetisk bestaemning av ledande kroppars laege under markytan SE9100018L (sv)

Priority Applications (6)

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
AU88870/91A AU640543B2 (en) 1991-01-04 1991-12-06 A method for determining electromagnetically the locations of underground conductive bodies
CA002057326A CA2057326C (en) 1991-01-04 1991-12-10 Method for determining electromagnetically the locations of underground conductive bodies
US07/815,809 US5208539A (en) 1991-01-04 1991-12-30 Method for determining electromagnetically the locations of underground ore deposits
ES92850002T ES2072743T3 (es) 1991-01-04 1992-01-03 Metodo y aparato para detectar electromagneticamente los emplazamientos de cuerpos conductores subterraneos.
EP92850002A EP0494130B1 (en) 1991-01-04 1992-01-03 Method and apparatus for electromagnetically detecting the locations of underground conductive bodies

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE9100018D0 SE9100018D0 (sv) 1991-01-04
SE9100018L true SE9100018L (sv) 1992-07-05

Family

ID=20381532

Family Applications (1)

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

Country Status (6)

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

Families Citing this family (10)

* 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
SE508746C2 (sv) * 1997-09-23 1998-11-02 Boliden Ab Förfarande för elektromagnetisk sondering av borrhål jämte en sändar- och en mottagaranordning för förfarandets förverkligande
EP1266244B1 (en) * 2000-03-22 2004-10-06 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
CN114991751B (zh) * 2022-06-24 2024-12-06 新疆大学 一种地下采区磁性矿体赋存状态随钻实时探测装置

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
AU577546B2 (en) * 1983-10-05 1988-09-29 Commonwealth Of Australia, The Induced magnetic field borehole surveying method
GB2148012B (en) * 1983-10-05 1987-04-01 Robert Wesley Cobcroft Induced magnetic field borehole surveying method and probe

Also Published As

Publication number Publication date
AU640543B2 (en) 1993-08-26
US5208539A (en) 1993-05-04
EP0494130B1 (en) 1995-05-24
AU8887091A (en) 1992-07-09
CA2057326A1 (en) 1992-07-05
ES2072743T3 (es) 1995-07-16
EP0494130A1 (en) 1992-07-08
SE9100018D0 (sv) 1991-01-04
CA2057326C (en) 1995-11-07

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