DE3773982D1 - Verfahren und geraet zur bohrlochuntersuchung mit einer anordnung von elementen. - Google Patents
Verfahren und geraet zur bohrlochuntersuchung mit einer anordnung von elementen.Info
- Publication number
- DE3773982D1 DE3773982D1 DE8787400898T DE3773982T DE3773982D1 DE 3773982 D1 DE3773982 D1 DE 3773982D1 DE 8787400898 T DE8787400898 T DE 8787400898T DE 3773982 T DE3773982 T DE 3773982T DE 3773982 D1 DE3773982 D1 DE 3773982D1
- Authority
- DE
- Germany
- Prior art keywords
- examination
- arrangement
- elements
- drill holes
- drill
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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
- G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/855,119 US4851781A (en) | 1986-04-22 | 1986-04-22 | Method and apparatus for investigating a borehole using an array of elements |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3773982D1 true DE3773982D1 (de) | 1991-11-28 |
Family
ID=25320404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787400898T Expired - Lifetime DE3773982D1 (de) | 1986-04-22 | 1987-04-17 | Verfahren und geraet zur bohrlochuntersuchung mit einer anordnung von elementen. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4851781A (de) |
EP (1) | EP0243258B1 (de) |
BR (1) | BR8701803A (de) |
DE (1) | DE3773982D1 (de) |
NO (1) | NO871493L (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5012193A (en) * | 1989-11-01 | 1991-04-30 | Schlumberger Technology Corp. | Method and apparatus for filtering data signals produced by exploration of earth formations |
US5256966A (en) * | 1991-04-19 | 1993-10-26 | Combustion Engineering, Inc. | Method for detecting flaws in a steam generator tube using a flexible eddy current probe having coil bank switching |
FR2686159B1 (fr) * | 1992-01-14 | 1997-07-18 | Schlumberger Services Petrol | Procede et dispositif de diagraphie a electrodes azimutales passives. |
US6302203B1 (en) | 2000-03-17 | 2001-10-16 | Schlumberger Technology Corporation | Apparatus and method for communicating with devices positioned outside a liner in a wellbore |
GB2379508B (en) | 2001-04-23 | 2005-06-08 | Computalog Usa Inc | Electrical measurement apparatus and method |
CA2415921C (en) * | 2002-01-14 | 2013-11-26 | Computalog Usa Inc. | Method and apparatus for full offset resistivity imaging for use in boreholes |
US11008505B2 (en) | 2013-01-04 | 2021-05-18 | Carbo Ceramics Inc. | Electrically conductive proppant |
US9434875B1 (en) | 2014-12-16 | 2016-09-06 | Carbo Ceramics Inc. | Electrically-conductive proppant and methods for making and using same |
BR112015015733A2 (pt) | 2013-01-04 | 2017-07-11 | Carbo Ceramics Inc | partículas de areia revestidas com resina eletricamente condutivas e métodos para detectar, localizar e caracterizar as partículas de areia eletricamente condutivas |
US20140361778A1 (en) * | 2013-06-06 | 2014-12-11 | Schlumberger Technology Corporation | Apparatus and methods for measuring spontaneous potential of an earth formation |
US9551210B2 (en) | 2014-08-15 | 2017-01-24 | Carbo Ceramics Inc. | Systems and methods for removal of electromagnetic dispersion and attenuation for imaging of proppant in an induced fracture |
WO2019088998A1 (en) | 2017-10-31 | 2019-05-09 | Halliburton Energy Services, Inc. | Calculation of mud angle for imaging wells with oil based muds |
WO2019088996A1 (en) | 2017-10-31 | 2019-05-09 | Halliburton Energy Services, Inc. | Software tuning of borehole imagers |
MX2020003072A (es) | 2017-10-31 | 2020-07-28 | Halliburton Energy Services Inc | Procesamiento de imagenes de resistividad en pozos con lodos a base de aceite. |
WO2019177588A1 (en) | 2018-03-13 | 2019-09-19 | Halliburton Energy Services, Inc. | Borehole imaging tool |
US11914097B2 (en) | 2018-03-29 | 2024-02-27 | Halliburton Energy Services, Inc. | Method for combined resistivity and permitivity determination with borehole imagers |
WO2019191476A1 (en) | 2018-03-30 | 2019-10-03 | Halliburton Energy Services, Inc. | Dip detection in logging image processing |
US11543555B2 (en) | 2018-04-11 | 2023-01-03 | Halliburton Energy Services, Inc. | Method to estimate formation resistivity |
US11143779B2 (en) | 2018-04-16 | 2021-10-12 | Halliburton Energy Services, Inc. | Deconvolution-based enhancement of apparent resistivity and bed boundary identification in borehole resistivity imaging |
US10970814B2 (en) | 2018-08-30 | 2021-04-06 | Halliburton Energy Services, Inc. | Subsurface formation imaging |
NO20210261A1 (en) | 2018-11-15 | 2021-02-25 | Halliburton Energy Services Inc | Method For Resistivity Determination With Borehole Imagers |
WO2020139363A1 (en) | 2018-12-28 | 2020-07-02 | Halliburton Energy Services, Inc. | An electromagnetic insulating component used in well logging tool pad |
BR112021016278A2 (pt) | 2019-04-24 | 2021-11-09 | Halliburton Energy Services Inc | Aparelho e método para gerar um testemunho reconstruído |
WO2020231411A1 (en) | 2019-05-14 | 2020-11-19 | Halliburton Energy Services, Inc. | System and method for measuring mud properties |
BR112021019359A2 (pt) | 2019-05-17 | 2021-11-30 | Halliburton Energy Services Inc | Ferramenta de fundo de poço e método |
US11365625B2 (en) | 2019-10-08 | 2022-06-21 | Halliburton Energy Services, Inc. | Determining broadband mud properties |
US11746642B2 (en) | 2019-11-08 | 2023-09-05 | Halliburton Energy Services, Inc. | Electromagnetic imager design |
US11348218B2 (en) | 2020-03-30 | 2022-05-31 | Halliburton Energy Services, Inc. | Hybrid interpretation approach for borehole imaging |
US11549358B2 (en) | 2020-10-22 | 2023-01-10 | Halliburton Energy Services, Inc. | Deep learning methods for enhancing borehole images |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA685727A (en) * | 1964-05-05 | Schlumberger Limited | Method of and apparatus for borehole logging | |
US3065405A (en) * | 1958-12-16 | 1962-11-20 | Emi Ltd | Borehole survey apparatus |
US3136942A (en) * | 1959-06-16 | 1964-06-09 | Schlumberger Well Surv Corp | Electrical well logging methods and apparatus having a focussed electrode system including plural survey current electrodes |
US3388325A (en) * | 1966-02-23 | 1968-06-11 | Schlumberger Well Surv Corp | Apparatus for supplying an equal potential to circumferential portions of a circumferentially extending electrode |
US3521154A (en) * | 1967-07-03 | 1970-07-21 | Schlumberger Technology Corp | Methods and apparatus for enhancing well logging signals by the use of multiple measurements of the same formation characteristic |
US3493849A (en) * | 1968-07-31 | 1970-02-03 | Schlumberger Technology Corp | Methods and apparatus for investigating earth formations wherein the vertical resolution of a first exploring means is altered to approximate the vertical resolution of a second exploring means |
US4117394A (en) * | 1977-06-10 | 1978-09-26 | Schlumberger Technology Corporation | Well logging apparatus with pad-mounted vertical electrode array for measuring the resistivity of the flushed zone |
US4286218A (en) * | 1979-08-06 | 1981-08-25 | Mobil Oil Corporation | Multiple site magnetotelluric measurements |
US4523148A (en) * | 1980-10-20 | 1985-06-11 | Gearhart Industries, Inc. | Method and apparatus for determining the spontaneous earth potential log from downhole gradient measurements |
US4468623A (en) * | 1981-07-30 | 1984-08-28 | Schlumberger Technology Corporation | Method and apparatus using pad carrying electrodes for electrically investigating a borehole |
-
1986
- 1986-04-22 US US06/855,119 patent/US4851781A/en not_active Expired - Fee Related
-
1987
- 1987-04-09 NO NO871493A patent/NO871493L/no unknown
- 1987-04-15 BR BR8701803A patent/BR8701803A/pt not_active IP Right Cessation
- 1987-04-17 EP EP87400898A patent/EP0243258B1/de not_active Expired
- 1987-04-17 DE DE8787400898T patent/DE3773982D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0243258A3 (en) | 1988-01-13 |
EP0243258B1 (de) | 1991-10-23 |
BR8701803A (pt) | 1988-01-26 |
NO871493D0 (no) | 1987-04-09 |
NO871493L (no) | 1987-10-23 |
US4851781A (en) | 1989-07-25 |
EP0243258A2 (de) | 1987-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |