DK2976663T3 - Kompenserende kredsløb til annullering af et magnetfelt - Google Patents

Kompenserende kredsløb til annullering af et magnetfelt Download PDF

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Publication number
DK2976663T3
DK2976663T3 DK14716509.6T DK14716509T DK2976663T3 DK 2976663 T3 DK2976663 T3 DK 2976663T3 DK 14716509 T DK14716509 T DK 14716509T DK 2976663 T3 DK2976663 T3 DK 2976663T3
Authority
DK
Denmark
Prior art keywords
canceling
magnetic field
compensating circuit
compensating
circuit
Prior art date
Application number
DK14716509.6T
Other languages
English (en)
Inventor
Gordon Fox West
Benjamin David Polzer
Peter Whyte Walker
Original Assignee
Vale Sa
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 Vale Sa filed Critical Vale Sa
Application granted granted Critical
Publication of DK2976663T3 publication Critical patent/DK2976663T3/da

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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
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
    • G01V3/28—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device using induction coils
    • 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
    • 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
    • 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
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • 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
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
    • 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
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/30—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electromagnetic waves
    • 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
    • G01V3/38—Processing data, e.g. for analysis, for interpretation, for correction

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)
  • Measuring Magnetic Variables (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Near-Field Transmission Systems (AREA)
DK14716509.6T 2013-03-21 2014-03-20 Kompenserende kredsløb til annullering af et magnetfelt DK2976663T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361804080P 2013-03-21 2013-03-21
PCT/BR2014/000094 WO2014146185A2 (en) 2013-03-21 2014-03-20 Bucking circuit for annulling a magnetic field

Publications (1)

Publication Number Publication Date
DK2976663T3 true DK2976663T3 (da) 2021-08-09

Family

ID=50478115

Family Applications (1)

Application Number Title Priority Date Filing Date
DK14716509.6T DK2976663T3 (da) 2013-03-21 2014-03-20 Kompenserende kredsløb til annullering af et magnetfelt

Country Status (11)

Country Link
US (1) US9297922B2 (da)
EP (1) EP2976663B1 (da)
CN (1) CN105452905B (da)
AU (1) AU2014234970B2 (da)
BR (1) BR112015023202B1 (da)
CA (1) CA2907087C (da)
CL (1) CL2015002823A1 (da)
DK (1) DK2976663T3 (da)
PE (1) PE20151546A1 (da)
RU (1) RU2661996C2 (da)
WO (1) WO2014146185A2 (da)

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US10976464B2 (en) * 2013-12-26 2021-04-13 Halliburton Energy Services, Inc. Gradient induction logging tool having direct field cancelation with optional compensation
US10132956B2 (en) * 2014-10-01 2018-11-20 Ocean Floor Geophysics, Inc. Compensation of magnetic data for autonomous underwater vehicle mapping surveys
US20180267193A1 (en) * 2014-12-16 2018-09-20 Geotech Ltd. Electromagnetic survey system bucking system enhancement
RU2629705C1 (ru) * 2016-04-19 2017-08-31 Закрытое акционерное общество "Аэрогеофизическая разведка" Способ высокоточных электромагнитных зондирований и устройство для его осуществления
DE102017109813A1 (de) * 2017-05-08 2018-11-08 Pepperl + Fuchs Gmbh Induktiver Näherungsschalter
CN108227013A (zh) * 2018-01-29 2018-06-29 中国科学院电子学研究所 一种用于瞬变电磁勘探的接收装置
US10790700B2 (en) * 2018-05-18 2020-09-29 Tectus Corporation Power generation necklaces with field shaping systems
WO2021102446A1 (en) * 2019-11-24 2021-05-27 Purdue Research Foundation High accuracy non-invasive current sensor system
JP7495715B2 (ja) 2020-05-11 2024-06-05 株式会社京岡 磁気探査装置
CN114624782A (zh) * 2022-01-27 2022-06-14 湖南继善高科技有限公司 一种一次场补偿式电磁探测装置
CN115356774B (zh) * 2022-08-12 2023-05-23 中国科学院地质与地球物理研究所 基于同轴共面互参考线圈组的半航空电磁探测装置及方法
CN115933005B (zh) * 2022-11-11 2024-05-17 中国科学院地质与地球物理研究所 一种用于半航空电磁系统姿态误差抵消的装置及处理方法

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US5552979A (en) * 1993-11-30 1996-09-03 Philips Electronics North America Corporation Isolated current sensor for DC to high frequency applications
US5557206A (en) * 1995-02-23 1996-09-17 Geophex Ltd. Apparatus and method for detecting a weak induced magnetic field by means of two concentric transmitter loops
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Also Published As

Publication number Publication date
US20140285206A1 (en) 2014-09-25
EP2976663A2 (en) 2016-01-27
WO2014146185A3 (en) 2014-11-20
RU2661996C2 (ru) 2018-07-23
US9297922B2 (en) 2016-03-29
WO2014146185A2 (en) 2014-09-25
AU2014234970B2 (en) 2017-08-03
CN105452905B (zh) 2018-04-17
CA2907087A1 (en) 2014-09-25
CA2907087C (en) 2020-07-21
RU2015144971A (ru) 2017-04-27
BR112015023202A2 (da) 2017-08-22
BR112015023202B1 (pt) 2022-02-15
EP2976663B1 (en) 2021-05-26
CN105452905A (zh) 2016-03-30
AU2014234970A1 (en) 2015-10-01
PE20151546A1 (es) 2015-10-28
CL2015002823A1 (es) 2016-05-20

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