CA2978192C - Reduction ou prevention de la dissipation d'un courant electrique et d'un signal magnetique associe dans un puits de forage - Google Patents
Reduction ou prevention de la dissipation d'un courant electrique et d'un signal magnetique associe dans un puits de forage Download PDFInfo
- Publication number
- CA2978192C CA2978192C CA2978192A CA2978192A CA2978192C CA 2978192 C CA2978192 C CA 2978192C CA 2978192 A CA2978192 A CA 2978192A CA 2978192 A CA2978192 A CA 2978192A CA 2978192 C CA2978192 C CA 2978192C
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- Prior art keywords
- conductor
- ground
- insulating layer
- toolface
- wellbore
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
- E21B47/0228—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor
- E21B47/0232—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor at least one of the energy sources or one of the detectors being located on or above the ground surface
Landscapes
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
L'invention concerne un système de référence de face de coupe artificielle qui comprend une alimentation électrique fournissant un courant à un câble de terre et à un câble de référence. Un point de terre est couplé au câble de terre et relié électriquement à la terre. Un puits de forage de référence comprend un conducteur de référence relié électriquement à la terre. Le conducteur de référence est relié électriquement au câble de référence. Le conducteur de référence comprend une partie non isolée et une partie isolée autour de laquelle est placée une couche isolante. Un capteur de guidage positionné à l'extérieur du puits de forage de référence comprend au moins un magnétomètre. L'alimentation électrique peut être utilisée pour fournir un courant par l'intermédiaire du conducteur de référence, dans la terre par l'intermédiaire de la partie isolée, et par l'intermédiaire du point de terre de telle sorte qu'un champ magnétique de référence est généré le long du conducteur de référence. Le capteur de guidage peut mesurer le champ magnétique de référence à l'aide d'un magnétomètre. Une face de coupe magnétique artificielle peut être calculée à partir de cette mesure.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562141636P | 2015-04-01 | 2015-04-01 | |
| US62/141,636 | 2015-04-01 | ||
| US14/884,414 US9938773B2 (en) | 2014-10-17 | 2015-10-15 | Active magnetic azimuthal toolface for vertical borehole kickoff in magnetically perturbed environments |
| US14/884,414 | 2015-10-15 | ||
| PCT/US2016/025110 WO2016182640A1 (fr) | 2015-04-01 | 2016-03-31 | Réduction ou prévention de la dissipation d'un courant électrique et d'un signal magnétique associé dans un puits de forage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2978192A1 CA2978192A1 (fr) | 2016-11-17 |
| CA2978192C true CA2978192C (fr) | 2019-03-12 |
Family
ID=57249228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2978192A Active CA2978192C (fr) | 2015-04-01 | 2016-03-31 | Reduction ou prevention de la dissipation d'un courant electrique et d'un signal magnetique associe dans un puits de forage |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA2978192C (fr) |
| RU (1) | RU2017134129A (fr) |
| WO (1) | WO2016182640A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165617A (zh) * | 2017-07-20 | 2017-09-15 | 合肥裕朗机电科技有限公司 | 一种自浮式电子单点测量仪器 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2981788A (en) * | 1958-12-03 | 1961-04-25 | Anaconda Wire & Cable Co | Power cables |
| US4593770A (en) * | 1984-11-06 | 1986-06-10 | Mobil Oil Corporation | Method for preventing the drilling of a new well into one of a plurality of production wells |
| US5676212A (en) * | 1996-04-17 | 1997-10-14 | Vector Magnetics, Inc. | Downhole electrode for well guidance system |
| US7568532B2 (en) * | 2006-06-05 | 2009-08-04 | Halliburton Energy Services, Inc. | Electromagnetically determining the relative location of a drill bit using a solenoid source installed on a steel casing |
| WO2010141004A1 (fr) * | 2009-06-01 | 2010-12-09 | Halliburton Energy Services, Inc. | Fil de guidage pour télémétrie à transmission de mesure de distance et souterraine |
| WO2014089402A2 (fr) * | 2012-12-07 | 2014-06-12 | Halliburton Energy Services Inc. | Système de télémétrie à excitation superficielle pour application de drainage par gravité au moyen de vapeur (sagd) |
-
2016
- 2016-03-31 WO PCT/US2016/025110 patent/WO2016182640A1/fr active Application Filing
- 2016-03-31 CA CA2978192A patent/CA2978192C/fr active Active
- 2016-03-31 RU RU2017134129A patent/RU2017134129A/ru not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2017134129A (ru) | 2019-04-03 |
| CA2978192A1 (fr) | 2016-11-17 |
| WO2016182640A1 (fr) | 2016-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20171229 |