NL9100772A - Verbeteringen in of met betrekking tot het geleiden van een gereedschap langs een ondergrondse baan. - Google Patents
Verbeteringen in of met betrekking tot het geleiden van een gereedschap langs een ondergrondse baan. Download PDFInfo
- Publication number
- NL9100772A NL9100772A NL9100772A NL9100772A NL9100772A NL 9100772 A NL9100772 A NL 9100772A NL 9100772 A NL9100772 A NL 9100772A NL 9100772 A NL9100772 A NL 9100772A NL 9100772 A NL9100772 A NL 9100772A
- Authority
- NL
- Netherlands
- Prior art keywords
- tool
- loop
- magnetic
- measuring phase
- magnetic field
- Prior art date
Links
- 238000005259 measurement Methods 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 45
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000005358 geomagnetic field Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000009466 transformation Effects 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
- G01V3/08—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
-
- 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
-
- 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
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB909010096A GB9010096D0 (en) | 1990-05-04 | 1990-05-04 | Improvements in or relating to guiding of a tool along a subterranean path |
| GB9010096 | 1990-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL9100772A true NL9100772A (nl) | 1991-12-02 |
Family
ID=10675506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL9100772A NL9100772A (nl) | 1990-05-04 | 1991-05-03 | Verbeteringen in of met betrekking tot het geleiden van een gereedschap langs een ondergrondse baan. |
Country Status (7)
| Country | Link |
|---|---|
| CA (1) | CA2041622A1 (it) |
| DE (1) | DE4114784A1 (it) |
| FR (1) | FR2661712A1 (it) |
| GB (2) | GB9010096D0 (it) |
| IT (1) | IT1248782B (it) |
| NL (1) | NL9100772A (it) |
| NO (1) | NO911740L (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515931A (en) * | 1994-11-15 | 1996-05-14 | Vector Magnetics, Inc. | Single-wire guidance system for drilling boreholes |
| CN113464120B (zh) * | 2021-09-06 | 2021-12-03 | 中国石油集团川庆钻探工程有限公司 | 工具面状态的预测方法和系统、滑动定向钻井方法和系统 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3529682A (en) * | 1968-10-03 | 1970-09-22 | Bell Telephone Labor Inc | Location detection and guidance systems for burrowing device |
| US4710708A (en) * | 1981-04-27 | 1987-12-01 | Develco | Method and apparatus employing received independent magnetic field components of a transmitted alternating magnetic field for determining location |
| GB2175096A (en) * | 1985-05-07 | 1986-11-19 | Radiodetection Ltd | Electromagnetic transducer assemblies and means for determining relative speed and/or configuration using such assemblies |
| US4875014A (en) * | 1988-07-20 | 1989-10-17 | Tensor, Inc. | System and method for locating an underground probe having orthogonally oriented magnetometers |
-
1990
- 1990-05-04 GB GB909010096A patent/GB9010096D0/en active Pending
-
1991
- 1991-04-26 GB GB9109116A patent/GB2243693A/en not_active Withdrawn
- 1991-05-01 CA CA002041622A patent/CA2041622A1/en not_active Abandoned
- 1991-05-02 FR FR9105393A patent/FR2661712A1/fr not_active Withdrawn
- 1991-05-03 NO NO91911740A patent/NO911740L/no unknown
- 1991-05-03 IT ITMI911219A patent/IT1248782B/it active IP Right Grant
- 1991-05-03 NL NL9100772A patent/NL9100772A/nl not_active Application Discontinuation
- 1991-05-06 DE DE4114784A patent/DE4114784A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB9109116D0 (en) | 1991-06-12 |
| GB2243693A (en) | 1991-11-06 |
| CA2041622A1 (en) | 1991-11-05 |
| ITMI911219A0 (it) | 1991-05-03 |
| NO911740D0 (no) | 1991-05-03 |
| DE4114784A1 (de) | 1991-11-07 |
| NO911740L (no) | 1991-11-05 |
| IT1248782B (it) | 1995-01-28 |
| GB9010096D0 (en) | 1990-06-27 |
| FR2661712A1 (fr) | 1991-11-08 |
| ITMI911219A1 (it) | 1992-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |