EA200400234A1 - Способ и прибор для многокомпонентной индукционной измерительной системы - Google Patents
Способ и прибор для многокомпонентной индукционной измерительной системыInfo
- 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
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)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- General Induction Heating (AREA)
- Measurement Of Resistance Or Impedance (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
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
ID=27001343
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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- 2002-08-05 EP EP02768426A patent/EP1421413A2/en not_active Ceased
- 2002-08-05 CN CN02818748.2A patent/CN1278135C/zh not_active Expired - Fee Related
- 2002-08-05 AU AU2002330989A patent/AU2002330989A1/en not_active Abandoned
- 2002-08-05 CA CA002455388A patent/CA2455388A1/en not_active Abandoned
- 2002-08-05 EA EA200400234A patent/EA007443B1/ru not_active IP Right Cessation
- 2002-08-05 WO PCT/US2002/024781 patent/WO2003025342A2/en not_active Application Discontinuation
- 2002-08-07 US US10/214,436 patent/US6900640B2/en not_active Expired - Fee Related
-
2004
- 2004-02-03 NO NO20040475A patent/NO335141B1/no not_active IP Right Cessation
- 2004-04-14 US US10/824,093 patent/US7268556B2/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US10294775B2 (en) | 2013-02-28 | 2019-05-21 | Weatherford Technology Holdings, Llc | Downhole communication |
US10753196B2 (en) | 2013-02-28 | 2020-08-25 | Weatherford Technology Holdings, Llc | Downhole communication |
US11156078B2 (en) | 2013-02-28 | 2021-10-26 | Weatherford Technology Holdings, Llc | Downhole communication |
RU2671016C2 (ru) * | 2014-06-17 | 2018-10-29 | Халлибертон Энерджи Сервисез, Инк. | Датчик магнитного сопротивления для обнаружения намагничиваемой конструкции в подземной среде |
US10544670B2 (en) | 2014-06-17 | 2020-01-28 | Halliburton Energy Services, Inc. | Reluctance sensor for measuring a magnetizable structure in a subterranean environment |
US10222504B2 (en) | 2015-06-26 | 2019-03-05 | Halliburton Energy Services, Inc. | Antennas for wellbore logging tools having a plurality of ferrite channels orthogonal to the plurality of winding grooves |
RU2683016C1 (ru) * | 2015-06-26 | 2019-03-25 | Хэллибертон Энерджи Сервисиз, Инк. | Антенны для инструментов геофизического исследования в стволе скважины и способы изготовления |
RU2683466C1 (ru) * | 2015-06-26 | 2019-03-28 | Хэллибертон Энерджи Сервисиз, Инк. | Антенна для инструментов геофизического исследования в стволе скважины и способ ее изготовления |
US10627537B2 (en) | 2015-06-26 | 2020-04-21 | Halliburton Energy Services, Inc. | Antenna assemblies using ferrites for wellbore logging tools and a method of manufacturing |
Also Published As
Publication number | Publication date |
---|---|
EP1421413A2 (en) | 2004-05-26 |
NO20040475L (no) | 2004-04-02 |
WO2003025342A3 (en) | 2003-12-24 |
CN1278135C (zh) | 2006-10-04 |
US20030076107A1 (en) | 2003-04-24 |
CA2455388A1 (en) | 2003-03-27 |
US6900640B2 (en) | 2005-05-31 |
WO2003025342A2 (en) | 2003-03-27 |
EA007443B1 (ru) | 2006-10-27 |
AU2002330989A1 (en) | 2003-04-01 |
NO335141B1 (no) | 2014-09-29 |
CN1559011A (zh) | 2004-12-29 |
WO2003025342A9 (en) | 2004-03-04 |
US20040196047A1 (en) | 2004-10-07 |
US7268556B2 (en) | 2007-09-11 |
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