CA2894512C - Appareil et procedes de mesure de la proximite de puits en cours de forage - Google Patents
Appareil et procedes de mesure de la proximite de puits en cours de forage Download PDFInfo
- Publication number
- CA2894512C CA2894512C CA2894512A CA2894512A CA2894512C CA 2894512 C CA2894512 C CA 2894512C CA 2894512 A CA2894512 A CA 2894512A CA 2894512 A CA2894512 A CA 2894512A CA 2894512 C CA2894512 C CA 2894512C
- Authority
- CA
- Canada
- Prior art keywords
- borehole
- magnetic field
- magnet
- sensor
- coil
- 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.)
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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 37
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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
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
-
- 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
- E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
- E21B47/092—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting magnetic anomalies
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Un aspect de l'invention concerne un appareil permettant de déterminer une distance entre un premier trou de forage et un second trou de forage lors du forage du second trou de forage, appareil qui dans un premier mode de réalisation comprend un aimant sur un outil de forage qui tourne dans le second trou de forage pour induire un champ magnétique primaire dans un objet magnétique dans le premier trou de forage, un capteur sensiblement fixe sur l'outil de forage qui détecte un champ magnétique secondaire en provenance de l'objet magnétique en réponse au champ magnétique primaire induit, et un dispositif de commande qui détermine la distance entre le premier trou de forage et le second trou de forage d'après le champ magnétique détecté. Un autre aspect de l'invention concerne un procédé permettant de déterminer une distance entre un premier trou de forage et un second trou de forage, procédé qui dans un premier mode de réalisation comprend l'induction d'un champ magnétique primaire dans un objet magnétique dans le premier trou de forage en utilisant un aimant rotatif dans le second trou de forage, la détection d'un champ magnétique secondaire en provenance de l'objet magnétique en réponse au champ magnétique primaire induit en utilisant un capteur sensiblement fixe dans le second trou de forage, et la détermination de la distance entre le premier trou de forage et le second trou de forage d'après le champ magnétique détecté.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/713,960 | 2012-12-13 | ||
| US13/713,960 US9151150B2 (en) | 2012-10-23 | 2012-12-13 | Apparatus and methods for well-bore proximity measurement while drilling |
| PCT/US2013/073105 WO2014093096A1 (fr) | 2012-12-13 | 2013-12-04 | Appareil et procédés de mesure de la proximité de puits en cours de forage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2894512A1 CA2894512A1 (fr) | 2014-06-19 |
| CA2894512C true CA2894512C (fr) | 2018-03-13 |
Family
ID=50934835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2894512A Active CA2894512C (fr) | 2012-12-13 | 2013-12-04 | Appareil et procedes de mesure de la proximite de puits en cours de forage |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA2894512C (fr) |
| WO (1) | WO2014093096A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089519A (zh) * | 2015-09-07 | 2015-11-25 | 山西风雷钻具有限公司 | 一种具有耐磨带的无磁钻铤 |
| US10809410B2 (en) | 2016-06-09 | 2020-10-20 | Optimal Ranging, Inc. | Method and apparatus for simultaneous inductive excitation and locating of utilities |
| US10725191B2 (en) | 2016-06-09 | 2020-07-28 | Optimal Ranging, Inc. | Method and apparatus for simultaneous inductive excitation and locating of utilities |
| US11762120B2 (en) * | 2018-11-29 | 2023-09-19 | Baker Hughes Holdings Llc | Power-efficient transient electromagnetic evaluation system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5485089A (en) * | 1992-11-06 | 1996-01-16 | Vector Magnetics, Inc. | Method and apparatus for measuring distance and direction by movable magnetic field source |
| US6927741B2 (en) * | 2001-11-15 | 2005-08-09 | Merlin Technology, Inc. | Locating technique and apparatus using an approximated dipole signal |
| US8294468B2 (en) * | 2005-01-18 | 2012-10-23 | Baker Hughes Incorporated | Method and apparatus for well-bore proximity measurement while drilling |
| 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 |
| US8596382B2 (en) * | 2008-04-18 | 2013-12-03 | Schlumbeger Technology Corporation | Magnetic ranging while drilling using an electric dipole source and a magnetic field sensor |
-
2013
- 2013-12-04 WO PCT/US2013/073105 patent/WO2014093096A1/fr active Application Filing
- 2013-12-04 CA CA2894512A patent/CA2894512C/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2894512A1 (fr) | 2014-06-19 |
| WO2014093096A1 (fr) | 2014-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20150609 |