CA2490953A1 - Magnetization of target well casing string tubulars for enhanced passive ranging - Google Patents
Magnetization of target well casing string tubulars for enhanced passive ranging Download PDFInfo
- Publication number
- CA2490953A1 CA2490953A1 CA002490953A CA2490953A CA2490953A1 CA 2490953 A1 CA2490953 A1 CA 2490953A1 CA 002490953 A CA002490953 A CA 002490953A CA 2490953 A CA2490953 A CA 2490953A CA 2490953 A1 CA2490953 A1 CA 2490953A1
- Authority
- CA
- Canada
- Prior art keywords
- magnetic field
- tubular
- wellbore
- magnetized
- tubulars
- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- 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
Abstract
A method for magnetizing a wellbore tubular is disclosed. The method includes magnetizing a wellbore tubular at three or more discrete locations on the tubular. In exemplary embodiments the magnetized wellbore tubular includes at least one pair of opposing magnetic poles located between longitudinally opposed ends of the tubular. Wellbore tubulars magnetized in accordance with this invention may be coupled to one another to provide a magnetic profile about a section of a casing string. Passive ranging measurements of the magnetic field about the casing string may be utilized to survey and guide drilling of a twin well. Such an approach advantageously obviates the need for simultaneous access to both wells.
Claims (50)
1. A method for creating a magnetic profile around a plurality of wellbore tubulars, the magnetic profile operable to enhance subsequent passive ranging techniques, the method comprising:
(a) magnetizing a wellbore tubular at three or more locations along a length of the tubular; and, (b) repeating (a) for each of the plurality of wellbore tubulars.
(a) magnetizing a wellbore tubular at three or more locations along a length of the tubular; and, (b) repeating (a) for each of the plurality of wellbore tubulars.
2. The method of claim 1, wherein the tubular in (a) is magnetized at six or more locations along the length of the tubular.
3. The method of claim 1, wherein (a) further comprises magnetizing the tubular with an electromagnetic coil positioned around an outer circumference of the tubular.
4. The method of claim 1, further comprising positioning a magnetic shield adjacent to a magnetization source positioned around an outer circumference of the tubular.
5. The method of claim 1, wherein (a) further comprises magnetizing the tubular with an electromagnetic coil positioned within the tubular.
6. The method of claim 1, wherein (a) further comprises magnetizing the tubular such that at least one pair of opposing magnetic poles is located between the longitudinally opposed ends thereof.
7. The method of claim 6, wherein each of said magnetized wellbore tubulars includes at least three pairs of opposing magnetic poles.
8. The method of claim 1, further comprising:
(c) coupling a first wellbore tubular to a second wellbore tubular.
(c) coupling a first wellbore tubular to a second wellbore tubular.
9. The method of claim 8, wherein the first wellbore tubular or the second wellbore tubular is magnetized in accordance with (a), but where the first wellbore tubular and the second wellbore tubular are not both magnetized in accordance with (a).
10. The method of claim 8, wherein the first wellbore tubular and the second wellbore tubular are both magnetized in accordance with (a).
11. The method of claim 8, further comprising:
(d) lowering the coupled wellbore tubulars into a borehole.
(d) lowering the coupled wellbore tubulars into a borehole.
12. The method of claim 1, further comprising:
(c) measuring a magnetic field strength at each of the magnetized locations along the length of the tubular.
(c) measuring a magnetic field strength at each of the magnetized locations along the length of the tubular.
13. The method of claim 12, further comprising:
(d) inputting the magnetic field strength measurements into a mathematical model to generate a magnetic field map.
(d) inputting the magnetic field strength measurements into a mathematical model to generate a magnetic field map.
14. The method of claim 6, wherein (a) further comprises magnetizing a wellbore tubular positioned in a borehole.
15. The method of claim 14, wherein (a) further comprises magnetizing coupled wellbore tubulars positioned in a borehole.
16. A method for creating a magnetic profile around a length of coupled wellbore tubulars, the magnetic profile operable to enhance subsequent passive ranging techniques the method comprising:
(a) magnetizing a tubular at three or more locations along a length of the tubular, such that the magnetized tubular includes at least one pair of opposing magnetic poles located between the longitudinally opposed ends thereof;
(b) repeating (a) for each of a plurality of wellbore tubulars; and (c) coupling at least two of the magnetized wellbore tubulars to one another.
(a) magnetizing a tubular at three or more locations along a length of the tubular, such that the magnetized tubular includes at least one pair of opposing magnetic poles located between the longitudinally opposed ends thereof;
(b) repeating (a) for each of a plurality of wellbore tubulars; and (c) coupling at least two of the magnetized wellbore tubulars to one another.
17. The method of claim 16, wherein the wellbore tubular magnetized in (a) comprises at least three opposing magnetic poles.
18. The method of claim 16, wherein the length of coupled wellbore tubulars has a ratio of pairs of opposing magnetic poles to wellbore tubulars in the range from about 2 to about 12.
19. The method of claim 16, wherein an average longitudinal spacing between the pairs of opposing magnetic poles is less than an average length of the magnetized wellbore tubulars.
20. The method of claim 19, wherein the longitudinal spacing of the pairs of opposing magnetic poles is in the range from about one half to about one twelfth the average length of the wellbore tubulars.
21. The method of claim 16, wherein (a) further comprises magnetizing the wellbore tubular at six or more locations along the length of the wellbore tubular.
22. The method of claim 16, wherein (a) further comprises magnetizing the tubular with an electromagnetic coil positioned around an outer circumference of the tubular.
23. The method of claim 16, further comprising:
(d) measuring a magnetic field at each of the magnetized locations along the length of each magnetized tubular.
(d) measuring a magnetic field at each of the magnetized locations along the length of each magnetized tubular.
24. The method of claim 16, further comprising:
(e) inputting said magnetic field measurements into a mathematical model to generate a magnetic field map about the length of coupled wellbore tubulars.
(e) inputting said magnetic field measurements into a mathematical model to generate a magnetic field map about the length of coupled wellbore tubulars.
25. The method of claim 16, further comprising:
(d) lowering the wellbore tubulars into a borehole.
(d) lowering the wellbore tubulars into a borehole.
26. A method for creating a magnetic profile around a wellbore tubular, the magnetic profile operable to enhance subsequent passive ranging techniques, the method comprising:
(a) providing a magnetic field generating device in proximity with a wellbore tubular, the magnetic field generating device producing magnetic flux that intersects at least a portion of the wellbore tubular; and (b) creating relative motion between the magnetic field generating device and the wellbore tubular along at least a portion of a length of the wellbore tubular, such that the magnetic field generating device magnetizes at least two discrete portions of the wellbore tubular, the at least two discrete portions providing at least one pair of opposing magnetic poles located between longitudinally opposed ends of the wellbore tubular.
(a) providing a magnetic field generating device in proximity with a wellbore tubular, the magnetic field generating device producing magnetic flux that intersects at least a portion of the wellbore tubular; and (b) creating relative motion between the magnetic field generating device and the wellbore tubular along at least a portion of a length of the wellbore tubular, such that the magnetic field generating device magnetizes at least two discrete portions of the wellbore tubular, the at least two discrete portions providing at least one pair of opposing magnetic poles located between longitudinally opposed ends of the wellbore tubular.
27. The method of claim 26, wherein:
(a) comprises providing an electromagnetic coil about the wellbore tubular;
and (b) comprises moving the coil along the longitudinal axis of the wellbore tubular.
(a) comprises providing an electromagnetic coil about the wellbore tubular;
and (b) comprises moving the coil along the longitudinal axis of the wellbore tubular.
28. The method of claim 26, wherein:
(a) comprises providing an electromagnetic coil about the wellbore tubular;
and (b) comprises lowering the wellbore tubular through the electromagnetic coil into a borehole.
(a) comprises providing an electromagnetic coil about the wellbore tubular;
and (b) comprises lowering the wellbore tubular through the electromagnetic coil into a borehole.
29. The method of claim 26, wherein (b) further comprises maintaining the magnetic field generating device in a generally stationary position while moving the wellbore tubular.
30. A method for surveying a borehole having a known or predictable magnetic profile, said profile resulting from controlled magnetization of wellbore tubulars, the method comprising:
(a) positioning a downhole tool having a magnetic field measurement device in the borehole, said tool positioned within sensory range of a magnetic field from a target well, wherein (i) the target well comprises a plurality of magnetized wellbore tubulars positioned in the target well, each magnetized wellbore tubular having at least one pair of opposing magnetic poles located between longitudinally opposed ends of the wellbore tubular, and said magnetized wellbore tubulars coupled to one another;
(b) measuring a local magnetic field using the magnetic field measurement device; and, (c) processing the local magnetic field measured in (b) to determine at least one of (i) a distance or (ii) a direction from the borehole to the target well.
(a) positioning a downhole tool having a magnetic field measurement device in the borehole, said tool positioned within sensory range of a magnetic field from a target well, wherein (i) the target well comprises a plurality of magnetized wellbore tubulars positioned in the target well, each magnetized wellbore tubular having at least one pair of opposing magnetic poles located between longitudinally opposed ends of the wellbore tubular, and said magnetized wellbore tubulars coupled to one another;
(b) measuring a local magnetic field using the magnetic field measurement device; and, (c) processing the local magnetic field measured in (b) to determine at least one of (i) a distance or (ii) a direction from the borehole to the target well.
31. The method of claim 30, wherein the plurality of magnetized wellbore tubulars has a ratio of pairs of opposing magnetic poles to magnetized wellbore tubulars in a range of from about 2 to about 12.
32. The method of claim 30, wherein the pairs of opposing magnetic poles have an average longitudinal spacing in the range of about one half to about one twelfth the average length of the magnetized wellbore tubulars.
33. The method of claim 30, wherein the magnetic field measurement device includes a tri-axial magnetometer.
34. The method of claim 30, wherein (b) further comprises measuring a first and second orthogonal magnetic field vectors.
35. The method of claim 34, wherein (b) further comprises measuring a third orthogonal magnetic field vector.
36. The method of claim 30, wherein the processing in (c) further comprises:
(1) processing (i) the local magnetic field measured in (b) and (ii) a reference magnetic field to determine a portion of the local magnetic field attributable to the target well;
(2) processing the portion of the local magnetic field attributable to the target well to determine at least one of (i) a distance or (ii) a direction from the borehole to the target well.
(1) processing (i) the local magnetic field measured in (b) and (ii) a reference magnetic field to determine a portion of the local magnetic field attributable to the target well;
(2) processing the portion of the local magnetic field attributable to the target well to determine at least one of (i) a distance or (ii) a direction from the borehole to the target well.
37. The method of claim 36, wherein the reference magnetic field is measured at a site substantially free of magnetic interference.
38. The method of claim 36, wherein the portion of the local magnetic field attributable to the target well is determined according to the equations:
M TX = B X - M EX
M TY = B Y - M EY
M TZ = B X - M EZ
wherein M TX, M TY, and M TZ represent x, y, and z components of the portion of the local magnetic field attributable to the target well, B X, B Y, and B Z represent x, y, and z components of the local magnetic field, and M EX, M EY, and M EZ represent x, y, and z, components of the reference magnetic field.
M TX = B X - M EX
M TY = B Y - M EY
M TZ = B X - M EZ
wherein M TX, M TY, and M TZ represent x, y, and z components of the portion of the local magnetic field attributable to the target well, B X, B Y, and B Z represent x, y, and z components of the local magnetic field, and M EX, M EY, and M EZ represent x, y, and z, components of the reference magnetic field.
39. The method of claim 36, wherein (c) further comprises:
(3) determining a field strength of the local magnetic field attributable to the target well; and (4) processing the field strength to determine the distance from the borehole to the target well.
(3) determining a field strength of the local magnetic field attributable to the target well; and (4) processing the field strength to determine the distance from the borehole to the target well.
40. The method of claim 39, wherein the field strength is determined according to the equation:
wherein M represents the field strength and M TX, M TY, and M TZ represent x, y, and z components of the portion of the local magnetic field attributable to the target well.
wherein M represents the field strength and M TX, M TY, and M TZ represent x, y, and z components of the portion of the local magnetic field attributable to the target well.
41. The method of claim 39, wherein processing the field strength in (4) comprises inputting the field strength into a mathematical model, the mathematical model including a computed magnetic field map about the target well.
42. The method of claim 36, wherein (c) further comprises:
(3) determining a tool face to target of the local magnetic field attributable to the target well; and (4) processing the tool face to target to determine the direction from the borehole to the target well.
(3) determining a tool face to target of the local magnetic field attributable to the target well; and (4) processing the tool face to target to determine the direction from the borehole to the target well.
43. The method of claim 42, wherein the tool face to target is determined according to the equation:
wherein TFT represents the tool face to target, M TX and M TY represent x and y components of the portion of the local magnetic field attributable to the target well, and G X
and G Y represent x and y components of a local gravitational field.
wherein TFT represents the tool face to target, M TX and M TY represent x and y components of the portion of the local magnetic field attributable to the target well, and G X
and G Y represent x and y components of a local gravitational field.
44. The method of claim 30, wherein the downhole tool comprises first and second longitudinally spaced magnetic field sensors.
45. The method of claim 30, wherein:
(b) further comprises measuring a longitudinal component of the local magnetic field using the magnetic field measurement device; and (c) further comprises processing the longitudinal component measured in (b) to determine a longitudinal position of the magnetic field measurement device relative to one of the pairs of opposing magnetic poles on the wellbore tubulars in the target well.
(b) further comprises measuring a longitudinal component of the local magnetic field using the magnetic field measurement device; and (c) further comprises processing the longitudinal component measured in (b) to determine a longitudinal position of the magnetic field measurement device relative to one of the pairs of opposing magnetic poles on the wellbore tubulars in the target well.
46. A method of drilling substantially parallel twin wells, the method comprising:
(a) drilling a first well;
(b) deploying a casing string in the first well, a magnetized section of the casing string including a plurality of magnetized wellbore tubulars, the magnetized section of the casing string further including a plurality of pairs of opposing magnetic poles, the opposing magnetic poles having an average longitudinal spacing of less than a length of the magnetized wellbore tubulars;
(c) drilling a portion of a second well, the portion of the second well located within sensory range of magnetic flux from the magnetized section of the casing string;
(d) measuring a local magnetic field in the second well;
(e) processing the local magnetic field measured in (d) to determine a direction for subsequent drilling of the second well; and (f) drilling the second well along the direction for subsequent drilling determined in (e).
(a) drilling a first well;
(b) deploying a casing string in the first well, a magnetized section of the casing string including a plurality of magnetized wellbore tubulars, the magnetized section of the casing string further including a plurality of pairs of opposing magnetic poles, the opposing magnetic poles having an average longitudinal spacing of less than a length of the magnetized wellbore tubulars;
(c) drilling a portion of a second well, the portion of the second well located within sensory range of magnetic flux from the magnetized section of the casing string;
(d) measuring a local magnetic field in the second well;
(e) processing the local magnetic field measured in (d) to determine a direction for subsequent drilling of the second well; and (f) drilling the second well along the direction for subsequent drilling determined in (e).
47. The method of claim 46, further comprising:
(g) repeating (c), (d), (e), and (f).
(g) repeating (c), (d), (e), and (f).
48. The method of claim 46, wherein (e) further comprises:
(1) processing (i) the local magnetic field measured in (d) and (ii) a reference magnetic field to determine a portion of the local magnetic field attributable to the target well;
(2) determining (i) a magnetic field strength and (ii) a tool face to target of the local magnetic field attributable to the target well; and (3) processing (i) the field strength and (ii) the tool face to target determined in (2) to determined a direction for subsequent drilling of the borehole.
(1) processing (i) the local magnetic field measured in (d) and (ii) a reference magnetic field to determine a portion of the local magnetic field attributable to the target well;
(2) determining (i) a magnetic field strength and (ii) a tool face to target of the local magnetic field attributable to the target well; and (3) processing (i) the field strength and (ii) the tool face to target determined in (2) to determined a direction for subsequent drilling of the borehole.
49. The method of claim 46, wherein (d) and (e) further comprise using a closed loop control system.
50. The method of claim 46, wherein (e) is executed downhole.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2727885A CA2727885C (en) | 2004-12-20 | 2004-12-20 | Enhanced passive ranging methodology for well twinning |
| CA2727964A CA2727964C (en) | 2004-12-20 | 2004-12-20 | Magnetization of target well casing string tubulars for enhanced passive ranging |
| CA2490953A CA2490953C (en) | 2004-12-20 | 2004-12-20 | Magnetization of target well casing string tubulars for enhanced passive ranging |
| US11/301,762 US7656161B2 (en) | 2004-12-20 | 2005-12-13 | Magnetization of target well casing strings tubulars for enhanced passive ranging |
| GB0525802A GB2421795C (en) | 2004-12-20 | 2005-12-19 | Magnetization of target well casing string tubulars for enhanced passive ranging |
| US12/425,554 US7816922B2 (en) | 2004-12-20 | 2009-04-17 | Magnetization of target well casing string tubulars for enhanced passive ranging |
| US12/426,694 US8026722B2 (en) | 2004-12-20 | 2009-04-20 | Method of magnetizing casing string tubulars for enhanced passive ranging |
| US12/754,357 US7816923B2 (en) | 2004-12-20 | 2010-04-05 | Enhanced passive ranging methodology for well twinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2490953A CA2490953C (en) | 2004-12-20 | 2004-12-20 | Magnetization of target well casing string tubulars for enhanced passive ranging |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2727885A Division CA2727885C (en) | 2004-12-20 | 2004-12-20 | Enhanced passive ranging methodology for well twinning |
| CA2727964A Division CA2727964C (en) | 2004-12-20 | 2004-12-20 | Magnetization of target well casing string tubulars for enhanced passive ranging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2490953A1 true CA2490953A1 (en) | 2006-06-20 |
| CA2490953C CA2490953C (en) | 2011-03-29 |
Family
ID=35736399
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2490953A Expired - Fee Related CA2490953C (en) | 2004-12-20 | 2004-12-20 | Magnetization of target well casing string tubulars for enhanced passive ranging |
| CA2727964A Expired - Fee Related CA2727964C (en) | 2004-12-20 | 2004-12-20 | Magnetization of target well casing string tubulars for enhanced passive ranging |
| CA2727885A Expired - Fee Related CA2727885C (en) | 2004-12-20 | 2004-12-20 | Enhanced passive ranging methodology for well twinning |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2727964A Expired - Fee Related CA2727964C (en) | 2004-12-20 | 2004-12-20 | Magnetization of target well casing string tubulars for enhanced passive ranging |
| CA2727885A Expired - Fee Related CA2727885C (en) | 2004-12-20 | 2004-12-20 | Enhanced passive ranging methodology for well twinning |
Country Status (3)
| Country | Link |
|---|---|
| US (3) | US7656161B2 (en) |
| CA (3) | CA2490953C (en) |
| GB (1) | GB2421795C (en) |
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|---|---|---|---|---|
| US7712519B2 (en) | 2006-08-25 | 2010-05-11 | Smith International, Inc. | Transverse magnetization of casing string tubulars |
| US20110088890A1 (en) * | 2008-06-13 | 2011-04-21 | Brian Clark | Multiple magnetic sensor ranging method and system |
| US8026722B2 (en) | 2004-12-20 | 2011-09-27 | Smith International, Inc. | Method of magnetizing casing string tubulars for enhanced passive ranging |
| US9238959B2 (en) | 2010-12-07 | 2016-01-19 | Schlumberger Technology Corporation | Methods for improved active ranging and target well magnetization |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0515949D0 (en) * | 2005-08-03 | 2005-09-07 | Maxwell Downhole Technology Lt | Method of determining features of downhole apparatus |
| US7538650B2 (en) * | 2006-07-17 | 2009-05-26 | Smith International, Inc. | Apparatus and method for magnetizing casing string tubulars |
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| WO2014142796A1 (en) | 2013-03-11 | 2014-09-18 | Halliburton Energy Services, Inc. | Downhole ranging from multiple boreholes |
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| US11299979B2 (en) * | 2019-03-11 | 2022-04-12 | Vector Magnetics, Llc | Magnetic distance and direction measurements from a first borehole to a second borehole |
| CN112554861B (en) * | 2019-09-25 | 2022-07-15 | 中国石油化工股份有限公司 | Design method of anti-fracturing interference obstacle-detouring track |
| US11781421B2 (en) | 2020-09-22 | 2023-10-10 | Gunnar LLLP | Method and apparatus for magnetic ranging while drilling |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3725777A (en) | 1971-06-07 | 1973-04-03 | Shell Oil Co | Method for determining distance and direction to a cased borehole using measurements made in an adjacent borehole |
| US4072200A (en) | 1976-05-12 | 1978-02-07 | Morris Fred J | Surveying of subterranean magnetic bodies from an adjacent off-vertical borehole |
| US4458767A (en) | 1982-09-28 | 1984-07-10 | Mobil Oil Corporation | Method for directionally drilling a first well to intersect a second well |
| US4465140A (en) | 1982-09-28 | 1984-08-14 | Mobil Oil Corporation | Method for the magnetization of well casing |
| GB8718041D0 (en) | 1987-07-30 | 1987-09-03 | Shell Int Research | Magnetizing well tubulars |
| US4933640A (en) * | 1988-12-30 | 1990-06-12 | Vector Magnetics | Apparatus for locating an elongated conductive body by electromagnetic measurement while drilling |
| US6055213A (en) | 1990-07-09 | 2000-04-25 | Baker Hughes Incorporated | Subsurface well apparatus |
| US5485089A (en) | 1992-11-06 | 1996-01-16 | Vector Magnetics, Inc. | Method and apparatus for measuring distance and direction by movable magnetic field source |
| US5512830A (en) | 1993-11-09 | 1996-04-30 | Vector Magnetics, Inc. | Measurement of vector components of static field perturbations for borehole location |
| US5589775A (en) | 1993-11-22 | 1996-12-31 | Vector Magnetics, Inc. | Rotating magnet for distance and direction measurements from a first borehole to a second borehole |
| MY112792A (en) | 1994-01-13 | 2001-09-29 | Shell Int Research | Method of creating a borehole in an earth formation |
| GB9409550D0 (en) | 1994-05-12 | 1994-06-29 | Halliburton Co | Location determination using vector measurements |
| US5515931A (en) | 1994-11-15 | 1996-05-14 | Vector Magnetics, Inc. | Single-wire guidance system for drilling boreholes |
| US5762149A (en) | 1995-03-27 | 1998-06-09 | Baker Hughes Incorporated | Method and apparatus for well bore construction |
| US5923170A (en) | 1997-04-04 | 1999-07-13 | Vector Magnetics, Inc. | Method for near field electromagnetic proximity determination for guidance of a borehole drill |
| US6273076B1 (en) | 1997-12-16 | 2001-08-14 | Servojet Products International | Optimized lambda and compression temperature control for compression ignition engines |
| US6369679B1 (en) | 1998-04-20 | 2002-04-09 | Innovatum, Inc. | Method and apparatus for providing permanent magnetic signatures in buried cables and pipes to facilitate long-range location, tracking and burial depth determination |
| GB9926335D0 (en) | 1999-11-05 | 2000-01-12 | Powderject Res Ltd | Apparatus and method for dispensing small quantities of particles |
| US6698516B2 (en) | 2001-02-16 | 2004-03-02 | Scientific Drilling International | Method for magnetizing wellbore tubulars |
| US6530154B2 (en) * | 2001-07-19 | 2003-03-11 | Scientific Drilling International | Method to detect deviations from a wellplan while drilling in the presence of magnetic interference |
| WO2003036039A1 (en) | 2001-10-24 | 2003-05-01 | Shell Internationale Research Maatschappij B.V. | In situ production of a blending agent from a hydrocarbon containing formation |
| US20040128081A1 (en) | 2002-12-18 | 2004-07-01 | Herschel Rabitz | Quantum dynamic discriminator for molecular agents |
| US6937023B2 (en) * | 2003-02-18 | 2005-08-30 | Pathfinder Energy Services, Inc. | Passive ranging techniques in borehole surveying |
| CA2460788C (en) * | 2004-03-12 | 2013-09-24 | Pathfinder Energy Services, Inc. | Magnetic field enhancement for use in passive ranging |
-
2004
- 2004-12-20 CA CA2490953A patent/CA2490953C/en not_active Expired - Fee Related
- 2004-12-20 CA CA2727964A patent/CA2727964C/en not_active Expired - Fee Related
- 2004-12-20 CA CA2727885A patent/CA2727885C/en not_active Expired - Fee Related
-
2005
- 2005-12-13 US US11/301,762 patent/US7656161B2/en not_active Expired - Fee Related
- 2005-12-19 GB GB0525802A patent/GB2421795C/en not_active Expired - Fee Related
-
2009
- 2009-04-17 US US12/425,554 patent/US7816922B2/en not_active Expired - Fee Related
-
2010
- 2010-04-05 US US12/754,357 patent/US7816923B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8026722B2 (en) | 2004-12-20 | 2011-09-27 | Smith International, Inc. | Method of magnetizing casing string tubulars for enhanced passive ranging |
| US7712519B2 (en) | 2006-08-25 | 2010-05-11 | Smith International, Inc. | Transverse magnetization of casing string tubulars |
| US20110088890A1 (en) * | 2008-06-13 | 2011-04-21 | Brian Clark | Multiple magnetic sensor ranging method and system |
| US10113414B2 (en) * | 2008-06-13 | 2018-10-30 | Schlumberger Technology Corporation | Multiple magnetic sensor ranging method and system |
| US9238959B2 (en) | 2010-12-07 | 2016-01-19 | Schlumberger Technology Corporation | Methods for improved active ranging and target well magnetization |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2490953C (en) | 2011-03-29 |
| CA2727964A1 (en) | 2006-06-20 |
| CA2727885A1 (en) | 2006-06-20 |
| GB0525802D0 (en) | 2006-01-25 |
| US20060131013A1 (en) | 2006-06-22 |
| CA2727885C (en) | 2014-02-11 |
| CA2727964C (en) | 2014-02-11 |
| US7816923B2 (en) | 2010-10-19 |
| GB2421795C (en) | 2009-04-01 |
| US20100194395A1 (en) | 2010-08-05 |
| GB2421795A (en) | 2006-07-05 |
| US20090201025A1 (en) | 2009-08-13 |
| US7656161B2 (en) | 2010-02-02 |
| US7816922B2 (en) | 2010-10-19 |
| GB2421795B (en) | 2009-02-25 |
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