RU2008136183A - Электромагнитная разведка - Google Patents
Электромагнитная разведка Download PDFInfo
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- RU2008136183A RU2008136183A RU2008136183/28A RU2008136183A RU2008136183A RU 2008136183 A RU2008136183 A RU 2008136183A RU 2008136183/28 A RU2008136183/28 A RU 2008136183/28A RU 2008136183 A RU2008136183 A RU 2008136183A RU 2008136183 A RU2008136183 A RU 2008136183A
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- 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
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
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- 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
- G01V3/17—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 electromagnetic waves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (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)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
1. Способ определения природы подземного пласта, содержащий этапы, на которых: ! разворачивают передающую антенну в виде электрического диполя; ! прикладывают электромагнитное (ЭМ) поле к пласту, используя передатчик; ! измеряют ток и напряжение на выводах антенны во время ЭМ передачи; и ! определяют природу пласта по изменениям измеряемого напряжения. ! 2. Способ по п.1, в котором входной импеданс антенны рассчитывают по измеренному току и напряжению, а природу пласта определяют по изменениям импеданса. ! 3. Способ по п.2, в котором изменения импеданса используют для расчета удельного сопротивления пласта, и природу пласта определяют на основе удельного сопротивления. ! 4. Способ по п.3, в котором удельное сопротивление комбинируют с существующей геологической информацией о пласте для определения природы пласта. ! 5. Способ по п.4, в котором существующая геологическая информация содержит сейсмические данные. ! 6. Способ по п.2, в котором отслеживают электропроводность морской воды и при определении входного импеданса антенны учитывают изменения электропроводности морской воды. ! 7. Способ по п.2, в котором отслеживают высоту антенны над морским дном и изменения высоты антенны учитывают при определении входного импеданса антенны. ! 8. Способ по п.1, в котором передающую антенну разворачивают так, чтобы ее ось располагалась, в общем, горизонтально. ! 9. Способ по п.1, в котором при передаче ЭМ поля передатчик буксируют над морским дном. ! 10. Способ по п.1, в котором передатчик буксируют на расстоянии от 20 до 200 м от морского дна. ! 11. Способ по п.1, в котором передатчик буксируют на расстоянии от морского дна, которое значительно меньше, ч�
Claims (16)
1. Способ определения природы подземного пласта, содержащий этапы, на которых:
разворачивают передающую антенну в виде электрического диполя;
прикладывают электромагнитное (ЭМ) поле к пласту, используя передатчик;
измеряют ток и напряжение на выводах антенны во время ЭМ передачи; и
определяют природу пласта по изменениям измеряемого напряжения.
2. Способ по п.1, в котором входной импеданс антенны рассчитывают по измеренному току и напряжению, а природу пласта определяют по изменениям импеданса.
3. Способ по п.2, в котором изменения импеданса используют для расчета удельного сопротивления пласта, и природу пласта определяют на основе удельного сопротивления.
4. Способ по п.3, в котором удельное сопротивление комбинируют с существующей геологической информацией о пласте для определения природы пласта.
5. Способ по п.4, в котором существующая геологическая информация содержит сейсмические данные.
6. Способ по п.2, в котором отслеживают электропроводность морской воды и при определении входного импеданса антенны учитывают изменения электропроводности морской воды.
7. Способ по п.2, в котором отслеживают высоту антенны над морским дном и изменения высоты антенны учитывают при определении входного импеданса антенны.
8. Способ по п.1, в котором передающую антенну разворачивают так, чтобы ее ось располагалась, в общем, горизонтально.
9. Способ по п.1, в котором при передаче ЭМ поля передатчик буксируют над морским дном.
10. Способ по п.1, в котором передатчик буксируют на расстоянии от 20 до 200 м от морского дна.
11. Способ по п.1, в котором передатчик буксируют на расстоянии от морского дна, которое значительно меньше, чем длина волны на частотах ЭМ передатчика.
12. Способ по п.1, в котором форма передаваемого сигнала содержит гармоники, используемые при определении входного импеданса антенны.
13. Способ по п.1, в котором длина волны ЭМ передатчика определяется формулой:
0,01h≤λ≤30h,
где λ - длина волны передачи через подводные пласты, a h - расстояние от морского дна до исследуемого пласта.
14. Способ по п.1, в котором частота передачи составляет от 0,01 Гц до 1 кГц.
15. Способ получения отчета о разведке, заключающийся в том, что выполняют способ по любому из пп.1-14 и формируют отчет из изменений напряжения вместе с соответствующими выводами.
16. Способ получения отчета о разведке, заключающийся в том, что выполняют способ по любому из пп.1-14 и формируют отчет из изменений импеданса вместе с соответствующими выводами.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0602656.1 | 2006-02-09 | ||
GB0602656A GB2435693A (en) | 2006-02-09 | 2006-02-09 | Seabed electromagnetic surveying |
Publications (1)
Publication Number | Publication Date |
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RU2008136183A true RU2008136183A (ru) | 2010-03-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2008136183/28A RU2008136183A (ru) | 2006-02-09 | 2007-02-09 | Электромагнитная разведка |
Country Status (10)
Country | Link |
---|---|
US (1) | US8188748B2 (ru) |
EP (1) | EP1982216A2 (ru) |
CN (1) | CN101379414A (ru) |
AU (1) | AU2007213522A1 (ru) |
CA (1) | CA2641813A1 (ru) |
DK (1) | DK200801000A (ru) |
GB (1) | GB2435693A (ru) |
NO (1) | NO20083824L (ru) |
RU (1) | RU2008136183A (ru) |
WO (1) | WO2007091086A2 (ru) |
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-
2006
- 2006-02-09 GB GB0602656A patent/GB2435693A/en not_active Withdrawn
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2007
- 2007-02-09 AU AU2007213522A patent/AU2007213522A1/en not_active Abandoned
- 2007-02-09 EP EP07712693A patent/EP1982216A2/en not_active Withdrawn
- 2007-02-09 US US12/278,933 patent/US8188748B2/en not_active Expired - Fee Related
- 2007-02-09 WO PCT/GB2007/000459 patent/WO2007091086A2/en active Application Filing
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- 2007-02-09 RU RU2008136183/28A patent/RU2008136183A/ru not_active Application Discontinuation
- 2007-02-09 CA CA002641813A patent/CA2641813A1/en not_active Abandoned
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2008
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- 2008-09-08 NO NO20083824A patent/NO20083824L/no not_active Application Discontinuation
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CN101379414A (zh) | 2009-03-04 |
NO20083824L (no) | 2008-09-08 |
EP1982216A2 (en) | 2008-10-22 |
DK200801000A (da) | 2008-09-15 |
GB0602656D0 (en) | 2006-03-22 |
CA2641813A1 (en) | 2007-08-16 |
WO2007091086A3 (en) | 2008-06-19 |
US8188748B2 (en) | 2012-05-29 |
AU2007213522A1 (en) | 2007-08-16 |
GB2435693A (en) | 2007-09-05 |
US20100052688A1 (en) | 2010-03-04 |
WO2007091086A2 (en) | 2007-08-16 |
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