NO316985B1 - Fremgangsmate for bestemmelse av elektrisk ledningsevne i et bergartslag - Google Patents
Fremgangsmate for bestemmelse av elektrisk ledningsevne i et bergartslag Download PDFInfo
- Publication number
- NO316985B1 NO316985B1 NO19972539A NO972539A NO316985B1 NO 316985 B1 NO316985 B1 NO 316985B1 NO 19972539 A NO19972539 A NO 19972539A NO 972539 A NO972539 A NO 972539A NO 316985 B1 NO316985 B1 NO 316985B1
- Authority
- NO
- Norway
- Prior art keywords
- magnetic field
- frequency
- coils
- transmitter
- conductivity
- Prior art date
Links
- 239000011435 rock Substances 0.000 title claims description 23
- 238000000034 method Methods 0.000 title claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 21
- 230000006698 induction Effects 0.000 claims description 15
- 230000001419 dependent effect Effects 0.000 claims description 13
- 238000011161 development Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 7
- 238000012886 linear function Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000005755 formation reaction Methods 0.000 claims 5
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 description 10
- 230000014509 gene expression Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 230000018109 developmental process Effects 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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 Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Tires In General (AREA)
- Conductive Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP94203529 | 1994-12-05 | ||
| PCT/EP1995/004821 WO1996018120A1 (en) | 1994-12-05 | 1995-12-04 | Determining electrical conductivity of an earth layer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO972539L NO972539L (no) | 1997-06-04 |
| NO972539D0 NO972539D0 (no) | 1997-06-04 |
| NO316985B1 true NO316985B1 (no) | 2004-07-19 |
Family
ID=8217427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19972539A NO316985B1 (no) | 1994-12-05 | 1997-06-04 | Fremgangsmate for bestemmelse av elektrisk ledningsevne i et bergartslag |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US5721491A (de) |
| EP (1) | EP0796445B1 (de) |
| JP (1) | JP3539972B2 (de) |
| CN (1) | CN1109253C (de) |
| AU (1) | AU687656B2 (de) |
| BR (1) | BR9509952A (de) |
| CA (1) | CA2205971C (de) |
| DE (1) | DE69517822T2 (de) |
| MX (1) | MX9704138A (de) |
| NO (1) | NO316985B1 (de) |
| NZ (1) | NZ297792A (de) |
| OA (1) | OA10489A (de) |
| RU (1) | RU2150131C1 (de) |
| WO (1) | WO1996018120A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5698982A (en) * | 1996-03-18 | 1997-12-16 | Computalog Research, Inc. | Method and system for skin effect correction in a multiple transmit frequency induction logging system |
| EA001862B1 (ru) * | 1996-07-01 | 2001-10-22 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Электрокаротаж слоистого грунтового образования |
| US6819110B2 (en) * | 2002-03-26 | 2004-11-16 | Schlumberger Technology Corporation | Electromagnetic resistivity logging instrument with transverse magnetic dipole component antennas providing axially extended response |
| US7386430B2 (en) * | 2004-03-19 | 2008-06-10 | Schlumberger Technology Corporation | Method of correcting triaxial induction arrays for borehole effect |
| US7299131B2 (en) * | 2004-12-17 | 2007-11-20 | Baker Hughes Incorporated | Induction resistivity imaging principles and devices in oil based mud |
| US20070272522A1 (en) * | 2006-05-24 | 2007-11-29 | Kuo Yee T | Conveyor belt driver chain |
| CN102121374B (zh) * | 2011-02-17 | 2012-07-11 | 长江大学 | 一种探测金属套管外地层电阻率的井中时域脉冲电磁法 |
| US8854045B2 (en) | 2012-07-11 | 2014-10-07 | Pico Technologies Llc | Electronics for a thin bed array induction logging system |
| CN112327059B (zh) * | 2020-08-12 | 2021-11-16 | 浙江大学 | 一种基于电磁涡流法的非接触的土壤电导率测量系统 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3259837A (en) * | 1963-02-05 | 1966-07-05 | Dresser Ind | Induction logging apparatus utilizing plural frequencies for investigating different zones surrounding a borehole |
| US3893021A (en) * | 1973-08-27 | 1975-07-01 | Texaco Inc | Dual radio frequency method for determining dielectric and conductivity properties of earth formations using normalized measurements |
-
1995
- 1995-12-01 US US08/566,249 patent/US5721491A/en not_active Expired - Fee Related
- 1995-12-04 CN CN95196622A patent/CN1109253C/zh not_active Expired - Fee Related
- 1995-12-04 CA CA002205971A patent/CA2205971C/en not_active Expired - Fee Related
- 1995-12-04 JP JP51733096A patent/JP3539972B2/ja not_active Expired - Fee Related
- 1995-12-04 AU AU43034/96A patent/AU687656B2/en not_active Ceased
- 1995-12-04 MX MX9704138A patent/MX9704138A/es not_active IP Right Cessation
- 1995-12-04 NZ NZ297792A patent/NZ297792A/en not_active IP Right Cessation
- 1995-12-04 WO PCT/EP1995/004821 patent/WO1996018120A1/en active IP Right Grant
- 1995-12-04 BR BR9509952A patent/BR9509952A/pt not_active IP Right Cessation
- 1995-12-04 RU RU97111162A patent/RU2150131C1/ru not_active IP Right Cessation
- 1995-12-04 EP EP95941694A patent/EP0796445B1/de not_active Expired - Lifetime
- 1995-12-04 DE DE69517822T patent/DE69517822T2/de not_active Expired - Fee Related
-
1997
- 1997-05-30 OA OA70017A patent/OA10489A/en unknown
- 1997-06-04 NO NO19972539A patent/NO316985B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| MX9704138A (es) | 1997-09-30 |
| NO972539L (no) | 1997-06-04 |
| BR9509952A (pt) | 1997-10-14 |
| RU2150131C1 (ru) | 2000-05-27 |
| OA10489A (en) | 2002-04-12 |
| EP0796445A1 (de) | 1997-09-24 |
| US5721491A (en) | 1998-02-24 |
| CN1109253C (zh) | 2003-05-21 |
| JPH10509802A (ja) | 1998-09-22 |
| CN1168722A (zh) | 1997-12-24 |
| AU4303496A (en) | 1996-06-26 |
| EP0796445B1 (de) | 2000-07-05 |
| NZ297792A (en) | 1997-11-24 |
| JP3539972B2 (ja) | 2004-07-07 |
| DE69517822T2 (de) | 2000-11-30 |
| NO972539D0 (no) | 1997-06-04 |
| CA2205971A1 (en) | 1996-06-13 |
| CA2205971C (en) | 2004-09-07 |
| WO1996018120A1 (en) | 1996-06-13 |
| DE69517822D1 (de) | 2000-08-10 |
| AU687656B2 (en) | 1998-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |