EA200400234A1 - Способ и прибор для многокомпонентной индукционной измерительной системы - Google Patents

Способ и прибор для многокомпонентной индукционной измерительной системы

Info

Publication number
EA200400234A1
EA200400234A1 EA200400234A EA200400234A EA200400234A1 EA 200400234 A1 EA200400234 A1 EA 200400234A1 EA 200400234 A EA200400234 A EA 200400234A EA 200400234 A EA200400234 A EA 200400234A EA 200400234 A1 EA200400234 A1 EA 200400234A1
Authority
EA
Eurasian Patent Office
Prior art keywords
induction
formation
conductive
eddy currents
sets
Prior art date
Application number
EA200400234A
Other languages
English (en)
Other versions
EA007443B1 (ru
Inventor
Отто Фанини
Станислав В. Форганг
Гуламаббас А. Мерчант
Бертольд Кригсхаузер
Лиминг Ю
Original Assignee
Бейкер Хьюз Инкорпорейтед
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
Priority claimed from US09/922,393 external-priority patent/US6677756B2/en
Application filed by Бейкер Хьюз Инкорпорейтед filed Critical Бейкер Хьюз Инкорпорейтед
Publication of EA200400234A1 publication Critical patent/EA200400234A1/ru
Publication of EA007443B1 publication Critical patent/EA007443B1/ru

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
    • G01V3/18—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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • General Induction Heating (AREA)

Abstract

Предложен усовершенствованный индукционный прибор для оценивания удельного сопротивления пласта (формации). Прибор содержит электромагнитные генераторы и датчики, выполненные с возможностью генерирования и приема магнитных полей в радиальных направлениях, которые ортогональны продольной оси прибора. При этом достигается минимальная чувствительность к погрешностям, ассоциированным с паразитными вихревыми токами, индуцированными в металлических компонентах, окружающих генераторные и приемные катушки. Настоящее изобретение позволяет увеличить эффективный импеданс поверхности прибора за счет повышения самоиндукции траекторий, по которым протекают индуцированные вихревые токи по поверхности многокомпонентных индукционных приборов. Прибор дает возможность разработчикам скважинных приборов создавать более эффективные и лучше защищенные комплекты радиального индукционного каротажа для существующих и будущих скважинных приборов, работающих в частотной и временной областях. Прибор позволяет комбинировать радиальные наборы с коаксиальными наборами, с помощью которых традиционно измеряют удельное сопротивление формации в горизонтальном направлении. Данная комбинация позволяет получить полный тензор удельного сопротивления и на ее основе оценить анизотропию формации. Прибор содержит проводящий немагнитный корпус, который уменьшает влияние проводящих материалов, находящихся вблизи катушек, особенно приемных. На корпус прибора наносится непроводящее покрытие для того, чтобы предотвратить утечку вихревых токов из корпуса в проводящий буровой раствор в скважине с их последующим возвратом в
EA200400234A 2001-08-03 2002-08-05 Способ и прибор для многокомпонентной индукционной измерительной системы EA007443B1 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/922,393 US6677756B2 (en) 2001-08-03 2001-08-03 Multi-component induction instrument
US36157002P 2002-03-04 2002-03-04
PCT/US2002/024781 WO2003025342A2 (en) 2001-08-03 2002-08-05 A method and apparatus for a multi-component induction instrumentmeasuring system

Publications (2)

Publication Number Publication Date
EA200400234A1 true EA200400234A1 (ru) 2004-08-26
EA007443B1 EA007443B1 (ru) 2006-10-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EA200400234A EA007443B1 (ru) 2001-08-03 2002-08-05 Способ и прибор для многокомпонентной индукционной измерительной системы

Country Status (8)

Country Link
US (2) US6900640B2 (ru)
EP (1) EP1421413A2 (ru)
CN (1) CN1278135C (ru)
AU (1) AU2002330989A1 (ru)
CA (1) CA2455388A1 (ru)
EA (1) EA007443B1 (ru)
NO (1) NO335141B1 (ru)
WO (1) WO2003025342A2 (ru)

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US7268556B2 (en) 2007-09-11
EA007443B1 (ru) 2006-10-27
WO2003025342A2 (en) 2003-03-27
AU2002330989A1 (en) 2003-04-01
CN1278135C (zh) 2006-10-04
US20030076107A1 (en) 2003-04-24
US6900640B2 (en) 2005-05-31
WO2003025342A9 (en) 2004-03-04
US20040196047A1 (en) 2004-10-07
CN1559011A (zh) 2004-12-29
WO2003025342A3 (en) 2003-12-24
CA2455388A1 (en) 2003-03-27
NO335141B1 (no) 2014-09-29
NO20040475L (no) 2004-04-02

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