CA2647032A1 - Steering tool - Google Patents

Steering tool Download PDF

Info

Publication number
CA2647032A1
CA2647032A1 CA002647032A CA2647032A CA2647032A1 CA 2647032 A1 CA2647032 A1 CA 2647032A1 CA 002647032 A CA002647032 A CA 002647032A CA 2647032 A CA2647032 A CA 2647032A CA 2647032 A1 CA2647032 A1 CA 2647032A1
Authority
CA
Canada
Prior art keywords
steering
tool
steering tool
housing
comprised
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.)
Granted
Application number
CA002647032A
Other languages
French (fr)
Other versions
CA2647032C (en
Inventor
Kennedy Kirkhope
Paul Rieder
Lisa Yung
Richard T. Hay
Gary M. Crase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Halliburton Energy Services Inc
Original Assignee
Halliburton Energy Services, Inc.
Kennedy Kirkhope
Paul Rieder
Lisa Yung
Richard T. Hay
Gary M. Crase
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Halliburton Energy Services, Inc., Kennedy Kirkhope, Paul Rieder, Lisa Yung, Richard T. Hay, Gary M. Crase filed Critical Halliburton Energy Services, Inc.
Publication of CA2647032A1 publication Critical patent/CA2647032A1/en
Application granted granted Critical
Publication of CA2647032C publication Critical patent/CA2647032C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/062—Deflecting the direction of boreholes the tool shaft rotating inside a non-rotating guide travelling with the shaft
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/10—Correction of deflected boreholes

Abstract

A steering tool for use in drilling a borehole, including a tubular housing, a tool actuating device movably supported within the housing, a plurality of hydraulically actuated steering devices circumferentially spaced about the housing, and a hydraulic control system interposed between the tool actuating device and the steering devices for converting an actuating movement of the tool actuating device to independent actuation of the steering devices.

Claims (61)

1. A steering tool for use in drilling a borehole, comprising:

(a) a tubular housing, the housing having an interior, an exterior, and defining a housing bore;

(b) a tool actuating device movably supported within the interior of the housing, the tool actuating device being capable of an actuating movement relative to the housing;

(c) a plurality of hydraulically actuated steering devices circumferentially spaced about the exterior of the housing, the steering devices being independently actuatable between a retracted position and an extended position as a result of the actuating movement of the tool actuating device;

(d) a hydraulic control system contained within the interior of the housing and operably interposed between the tool actuating device and the steering devices, for converting the actuating movement of the tool actuating device to independent actuation of the steering devices between the retracted position and the extended position; and (e) a hydraulic fluid for use in the hydraulic control system in order to actuate the steering devices, wherein the hydraulic fluid is isolated from other fluids.
2. The steering tool as claimed in claim 1 wherein the hydraulic fluid is comprised of a hydraulic oil.
3. The steering tool as claimed in claim 1 wherein the hydraulic control system is comprised of a pressurization device for pressurizing the hydraulic fluid to provide a supply of pressurized hydraulic fluid.
4. The steering tool as claimed in claim 3 wherein the steering tool is configured so that each of the steering devices is actuated to the retracted position when the housing is at a target orientation.
5. The steering tool as claimed in claim 3, further comprising a shaft extending through the housing bore, the shaft being capable of a drilling movement relative to the housing.
6. The steering tool as claimed in claim S wherein the shaft defines a shaft bore for conducting a drilling fluid through the steering tool.
7. The steering tool as claimed in claim 6 wherein the pressurization device is comprised of a pump and wherein the pump is associated with both the housing and the shaft.
8. The steering tool as claimed in claim 7 wherein the drilling movement of the shaft is a rotary movement and wherein the pump is comprised of a swash plate pump.
9. The steering tool as claimed in claim 3 wherein the hydraulic control system is further comprised of a plurality of valve mechanisms, wherein each of the valve mechanisms is associated with the tool actuating device and with one of the steering devices, and wherein each of the valve mechanisms is capable of selectively providing communication of its associated steering device with the pressurized hydraulic fluid as a result of the actuating movement of the tool actuating device.
10, The steering tool as claimed in claim 9 wherein each of the valve mechanisms is comprised of a mechanical valve actuator for the valve mechanism, wherein the mechanical valve actuators are located in the interior of the housing, wherein the mechanical valve actuators are circumferentially spaced about the interior of the housing, and wherein the mechanical valve actuators are located adjacent to the tool actuating device so that they may be moved by the actuating movement of the tool actuating device.
11. The steering tool as claimed in claim 10 wherein the mechanical valve actuators are capable of movement by the tool actuating device between a first actuator position and a second actuator position and wherein the steering tool is configured so that each of the steering devices is actuated to the retracted position when its associated mechanical valve actuator is in the first actuator position and so that each of the steering devices is actuated to the extended position when its associated mechanical valve actuator is in the second actuator position.
12. The steering tool as claimed in claim 11 wherein the hydraulic control system is further comprised of a reservoir for the hydraulic fluid and wherein the reservoir has a reservoir pressure which is lower than a pressure of the pressurized hydraulic fluid.
13. The steering tool as claimed in claim 12 wherein each of the steering devices is in communication only with the reservoir when its associated mechanical valve actuator is in the first actuator position and wherein each of the steering devices is in communication only with the pressurized hydraulic fluid when its associated mechanical valve actuator is in the second actuator position.
14. The steering tool as claimed in claim 12 wherein the pressurization device draws the hydraulic fluid from the reservoir in order to provide the supply of the pressurized hydraulic fluid.
15. The steering tool as claimed in claim 12 wherein the steering tool is configured so that each of the mechanical valve actuators is at the first actuator position when the housing is at the target orientation.
16. The steering tool as claimed in claim 15 wherein each of the valve mechanisms is further comprised of a valve mechanism biasing device for biasing the mechanical valve actuator toward the first actuator position.
17. The steering tool as claimed in claim 11 wherein each of the valve mechanisms is further comprised of a mechanical actuator dampening mechanism for dampening the movement of the mechanical valve actuator.
18. The steering tool as claimed in claim 17 wherein the mechanical actuator dampening mechanism is comprised of a fluid metering device operably connected with the mechanical valve actuator.
19. The steering tool as claimed in claim 18 wherein the fluid metering device is comprised of:

(a) a dampening cylinder;

(b) a metering piston reciprocably contained within the dampening cylinder so that the dampening cylinder is divided into a first chamber and a second chamber;
and (c) a restricted flowpath between the first chamber and the second chamber for permitting a restricted flow of a fluid between the first chamber and the second chamber as the metering piston reciprocates relative to the dampening cylinder as a result of movement of the mechanical valve actuator.
20. The steering tool as claimed in claim 11 wherein each of the mechanical valve actuators is comprised of an actuating lever.
21. The steering tool as claimed in claim 20 wherein each of the actuating levers is comprised of a pivot point and wherein each of the actuating levers is substantially balanced about the pivot point.
22. The steering tool as claimed in claim 11 wherein each of the steering devices and their associated mechanical valve actuators are circumferentially offset from each other by substantially 180 degrees.
23. The steering tool as claimed in claim 3 wherein the tool actuating device is comprised of a pendulum pivotably supported within the interior of the housing and wherein the actuating movement is a pivoting movement relative to the housing in order to maintain a vertical orientation of the pendulum.
24. The steering tool as claimed in claim 23 wherein the pendulum is comprised of a tubular member which is located within the interior of the housing such that the pendulum surrounds the housing bore.
25. The steering tool as claimed in claim 24 wherein the pendulum is pivotably supported within the housing by a universal joint.
26. The steering tool as claimed in claim 25 wherein the pendulum is contained in a viscous medium so that the pivoting movement of the pendulum is subject to viscous damping.
27. The steering tool as claimed in claim 26, further comprising a pendulum chamber for containing the pendulum and the viscous medium,
28. The steering tool as claimed in claim 27 wherein the viscous medium is comprised of a hydraulic oil.
29. The steering tool as claimed in claim 27 wherein the pendulum chamber is isolated from the hydraulic control system so that the viscous medium is isolated from the hydraulic fluid.
30. The steering tool as claimed in claim 29 wherein the hydraulic control system is further comprised of a hydraulic fluid pressure balancing mechanism for transmitting to the hydraulic fluid a first ambient pressure at a first pressure balancing position on the exterior of the housing.
31. The steering tool as claimed in claim 30, further comprising a viscous medium pressure balancing mechanism for transmitting to the viscous medium a second ambient pressure at a second pressure balancing position on the exterior of the housing.
32. The steering tool as claimed in claim 31 wherein the housing has an upper end and a lower end, wherein the steering devices are located between the upper end and the lower end, and wherein the second pressure balancing position is between the upper end of the housing and the steering devices.
33. The steering tool as claimed in claim 32 wherein the first pressure balancing position is between the steering devices and the lower end of the steering tool.
34. The steering tool as claimed in claim 33 wherein the hydraulic control system is further comprised of an emergency relief valve and wherein the hydraulic control system communicates with the pendulum chamber when the emergency relief valve is in an open position, thereby releasing the hydraulic fluid into the pendulum chamber.
35. The steering tool as claimed in claim 23 wherein the hydraulic control system is further comprised of a plurality of valve mechanisms, wherein each of the valve mechanisms is associated with the tool actuating device and with one of the steering devices, and wherein each of the valve mechanisms is capable of selectively providing communication of its associated steering device with the pressurized hydraulic fluid as a result of the actuating movement of the tool actuating device.
36. The steering tool as claimed in claim 35 wherein each of the valve mechanisms is comprised of a mechanical valve actuator for the valve mechanism, wherein the mechanical valve actuators are located in the interior of the housing, wherein the mechanical valve actuators are circumferentially spaced about the interior of the housing, and wherein the mechanical valve actuators are located adjacent to the tool actuating device so that they may be moved by the actuating movement of the tool actuating device.
37. The steering tool as claimed in claim 36 wherein the mechanical valve actuators are capable of movement by the tool actuating device between a first actuator position and a second actuator position and wherein the steering tool is configured so that each of the steering devices is actuated to the retracted position when its associated mechanical valve actuator is in the first actuator position and so that each of the steering devices is actuated to the extended position when its associated mechanical valve actuator is in the second actuator position.
38. The steering tool as claimed in claim 37 wherein the pendulum is comprised of a proximal end and a distal end, wherein the proximal end of the pendulum is pivotably supported within the housing, and wherein the mechanical valve actuators are located adjacent to the distal end of the pendulum.
39. The steering tool as claimed in claim 38 wherein the pendulum has a center of gravity and wherein the center of gravity of the pendulum is located closer to the distal end of the pendulum than to the proximal end of the pendulum.
40. The steering tool as claimed in claim 39 wherein the pendulum is comprised of at least one weighting ring for adding weight to the pendulum and wherein the weighting ring is located closer to the distal end of the pendulum than to the proximal end of the pendulum.
41. The steering tool as claimed in claim 40 wherein the weighting ring is comprised of a carbide ring.
42. The steering tool as claimed in claim 38 wherein each of the mechanical valve actuators is comprised of an actuating lever.
43. The steering tool as claimed in claim 42 wherein each of the actuating levers is comprised of a pivot point and wherein each of the actuating levers is substantially balanced about the pivot point.
44. The steering tool as claimed in claim 37 wherein each of the steering devices and their associated mechanical valve actuators are circumferentially offset from each other by substantially 180 degrees,
45. The steering tool as claimed in claim 3 wherein the steering tool is comprised of four steering devices which are circumferentially spaced from each other by ninety degrees.
46. The steering tool as claimed in claim 3 wherein each of the steering devices is comprised of at least one steering piston which is actuatable between the retracted position and the extended position.
47. The steering tool as claimed in claim 46 wherein each of the steering devices is comprised of a plurality of steering pistons which are simultaneously actuatable between the retracted position and the extended position.
48. The steering tool as claimed in claim 47 wherein each of the steering devices is further comprised of a steering blade connected with the steering pistons.
49. The steering tool as claimed in claim 48 wherein each of the steering devices is further comprised of a steering device biasing mechanism for biasing the steering device toward the retracted position.
50. The steering tool as claimed in claim 48 wherein the steering blades may be replaced without disassembling the steering tool.
51. The steering tool as claimed in claim 3 wherein the housing has an upper end and a lower end, wherein the steering tool is further comprised of a stabilizer associated with the housing, and wherein the stabilizer is located between the upper end of the housing and the steering devices.
52. The steering tool as claimed in claim 51 wherein the stabilizer is comprised of a plurality of stabilizer blades and wherein the stabilizer blades may be replaced without disassembling the steering tool.
53. The steering tool as claimed in claim 3 wherein the steering tool is adapted to be configured as a component of a drilling motor having a motor housing and a motor drive shaft such that the housing of the steering tool is connected with the motor housing and such that the motor drive shaft extends through the housing bore.
54. The steering tool as claimed in claim 3 wherein the steering tool is adapted such that a drill string may extend through the housing bore and such that the housing of the steering tool may be rotatably connected with the drill string.
55. The steering tool as claimed in claim 54, further comprising a borehole engaging device associated with the housing for engaging a borehole in order to inhibit the steering tool from rotating in the borehole when the drill string is rotated.
56. The steering tool as claimed in claim 3 wherein the steering tool is adapted such that the housing of the steering tool may be fixedly connected with a drill string so that the housing of the steering tool rotates when the drill string is rotated.
57. The steering tool as claimed in claim 42 wherein the housing has an upper end and a lower end, wherein the steering tool is further comprised of a stabilizer associated with the housing, and wherein the stabilizer is located between the upper end of the housing and the steering devices.
58. The steering tool as claimed in claim 57 wherein the steering tool is adapted to be configured as a component of a drilling motor having a motor housing and a motor drive shaft such that the housing of the steering tool is connected with the motor housing and such that the motor drive shaft extends through the housing bore,
59. The steering tool as claimed in claim 58 wherein the steering tool is comprised of four steering devices which are circumferentially spaced from each other by ninety degrees.
60. The steering tool as claimed in claim 11 wherein the actuating movement of the tool actuating device is caused by a force selected from the group of forces consisting of a gravitational force, an inertial force and a magnetic force.
61. The steering tool as claimed in claim 60 wherein the actuating movement of the tool actuating device is caused by a gravitational force in response to a change in an orientation of the housing relative to gravity.
CA2647032A 2006-04-07 2007-04-04 Steering tool Active CA2647032C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/399,349 2006-04-07
US11/399,349 US7413034B2 (en) 2006-04-07 2006-04-07 Steering tool
PCT/CA2007/000561 WO2007115397A1 (en) 2006-04-07 2007-04-04 Steering tool

Publications (2)

Publication Number Publication Date
CA2647032A1 true CA2647032A1 (en) 2007-10-18
CA2647032C CA2647032C (en) 2012-05-29

Family

ID=38573951

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2647032A Active CA2647032C (en) 2006-04-07 2007-04-04 Steering tool

Country Status (8)

Country Link
US (1) US7413034B2 (en)
EP (2) EP3098377B1 (en)
AU (1) AU2007236499B2 (en)
BR (1) BRPI0710493A2 (en)
CA (1) CA2647032C (en)
MX (1) MX2008012994A (en)
NO (2) NO342610B1 (en)
WO (1) WO2007115397A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10662754B2 (en) 2013-07-06 2020-05-26 Evolution Engineering Inc. Directional drilling apparatus and methods

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2005206589A1 (en) * 2004-01-22 2005-08-04 Cmte Development Limited Automated drill string position survey
US7481282B2 (en) * 2005-05-13 2009-01-27 Weatherford/Lamb, Inc. Flow operated orienter
GB0712451D0 (en) 2007-06-27 2007-08-08 Sondex Plc Direction adjustment tool for downhole drilling apparatus
US7866415B2 (en) * 2007-08-24 2011-01-11 Baker Hughes Incorporated Steering device for downhole tools
US20090133931A1 (en) * 2007-11-27 2009-05-28 Schlumberger Technology Corporation Method and apparatus for hydraulic steering of downhole rotary drilling systems
GB2483825B (en) * 2008-01-17 2012-06-06 Weatherford Lamb Flow operated orienter
US9915138B2 (en) * 2008-09-25 2018-03-13 Baker Hughes, A Ge Company, Llc Drill bit with hydraulically adjustable axial pad for controlling torsional fluctuations
WO2010141004A1 (en) 2009-06-01 2010-12-09 Halliburton Energy Services, Inc. Guide wire for ranging and subsurface broadcast telemetry
WO2010147699A1 (en) * 2009-06-17 2010-12-23 Halliburton Energy Services, Inc. Drilling collision avoidance apparatus, methods, and systems
US8082987B2 (en) * 2009-07-01 2011-12-27 Smith International, Inc. Hydraulically locking stabilizer
WO2011002461A1 (en) 2009-07-02 2011-01-06 Halliburton Energy Services, Inc. Borehole array for ranging and crosswell telemetry
US9581718B2 (en) 2010-03-31 2017-02-28 Halliburton Energy Services, Inc. Systems and methods for ranging while drilling
CN101858198B (en) * 2010-05-06 2015-02-11 中国石油集团钻井工程技术研究院 Controllable hydraulic power integrated unit for underground deviation correction
CN101871320B (en) * 2010-05-26 2012-09-26 中国地质大学（武汉） Automatic hydraulic offset-correcting method for horizontal drilling and specific drilling tool
WO2011160027A2 (en) * 2010-06-18 2011-12-22 7Schlumberger Canada Limited Oil operated rotary steerable system
US8869916B2 (en) 2010-09-09 2014-10-28 National Oilwell Varco, L.P. Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter
BR112013005716B1 (en) 2010-09-09 2020-07-07 National Oilwell Varco, L.P. DIRECTIONAL ROTATING DRILLING EQUIPMENT
US20120255780A1 (en) * 2011-04-07 2012-10-11 Axel Schmidt Method and apparatus for calculating and correcting for directional drilling tool face offsets
GB201114286D0 (en) * 2011-08-19 2011-10-05 Smart Stabilizer Systems Ltd Valve for a downhole steering tool
US8640793B2 (en) * 2011-10-19 2014-02-04 Earth Tool Company, Llc Dynamic steering tool
US9376865B2 (en) 2012-05-25 2016-06-28 Halliburton Energy Services, Inc. Rotational locking mechanisms for drilling motors and powertrains
EP2855825B1 (en) 2012-05-30 2020-03-11 B&W Mud Motors, LLC Drilling system, biasing mechanism and method for directionally drilling a borehole
IN2014DN10334A (en) * 2012-06-06 2015-08-07 Baker Hughes Inc
IN2014DN10389A (en) * 2012-06-12 2015-08-14 Halliburton Energy Services Inc
CN103437704B (en) * 2013-08-02 2015-09-23 中石化石油工程机械有限公司 Backup directional type rotary steerable drilling device
WO2015122917A1 (en) 2014-02-14 2015-08-20 Halliburton Energy Services Inc. Individually variably configurable drag members in an anti-rotation device
WO2015122916A1 (en) 2014-02-14 2015-08-20 Halliburton Energy Services Inc. Uniformly variably configurable drag members in an anti-rotation device
US10041303B2 (en) 2014-02-14 2018-08-07 Halliburton Energy Services, Inc. Drilling shaft deflection device
CN104265168B (en) * 2014-07-28 2016-08-17 西南石油大学 Drill-bit type rotary guiding device is pointed in interior a kind of biasing
WO2016043752A1 (en) 2014-09-18 2016-03-24 Halliburton Energy Services, Inc. Releasable locking mechanism for locking a housing to a drilling shaft of a rotary drilling system
AU2014412066B2 (en) 2014-11-19 2018-10-18 Halliburton Energy Services, Inc. Drilling direction correction of a steerable subterranean drill in view of a detected formation tendency
CA3013075A1 (en) 2016-02-16 2017-08-24 Extreme Rock Destruction LLC Drilling machine
WO2017172563A1 (en) 2016-03-31 2017-10-05 Schlumberger Technology Corporation Equipment string communication and steering
US11255136B2 (en) 2016-12-28 2022-02-22 Xr Lateral Llc Bottom hole assemblies for directional drilling
US10890030B2 (en) * 2016-12-28 2021-01-12 Xr Lateral Llc Method, apparatus by method, and apparatus of guidance positioning members for directional drilling
WO2019014142A1 (en) 2017-07-12 2019-01-17 Extreme Rock Destruction, LLC Laterally oriented cutting structures
CA3096714C (en) * 2017-11-27 2023-01-17 Ian Gray Simple rotary steerable drilling system
CN108005580B (en) * 2017-12-29 2023-10-20 中国地质大学（北京） Static mechanical automatic vertical drilling tool with zero deflection under vertical attitude
US11629557B2 (en) * 2018-04-27 2023-04-18 National Oilwell Varco, L.P. Hybrid bearing assemblies for downhole motors
US11828117B2 (en) 2019-05-06 2023-11-28 Schlumberger Technology Corporation High-pressure drilling assembly
WO2021087108A1 (en) * 2019-10-31 2021-05-06 Schlumberger Technology Corporation Downhole rotating connection
WO2022238666A1 (en) 2021-05-12 2022-11-17 Reme, Llc Fluid control valve for rotary steerable tool
WO2023012442A1 (en) 2021-08-03 2023-02-09 Reme, Llc Piston shut-off valve for rotary steerable tool

Family Cites Families (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2153680A (en) 1936-01-30 1939-04-11 James H Schumacher Direction control mechanism for well drilling tools
US2075064A (en) 1936-05-26 1937-03-30 James H Schumacher Direction control mechanism for well drilling tools
GB867025A (en) * 1958-11-19 1961-05-03 British Petroleum Co Improvements relating to borehole drilling
US3141512A (en) 1958-11-19 1964-07-21 British Petroleum Co Straight borehole drilling with automatic detecting and correcting means
US3243001A (en) 1963-12-17 1966-03-29 Pan American Petroleum Corp Rotary well drilling device
US3637032A (en) 1970-01-22 1972-01-25 John D Jeter Directional drilling apparatus
US3595326A (en) 1970-02-03 1971-07-27 Schlumberger Technology Corp Directional drilling apparatus
DE3046122C2 (en) 1980-12-06 1984-05-17 Bergwerksverband Gmbh, 4300 Essen Equipment for making targeted bores with a target boring bar
US4394881A (en) * 1980-06-12 1983-07-26 Shirley Kirk R Drill steering apparatus
DE4017761A1 (en) 1990-06-01 1991-12-05 Eastman Christensen Co DRILLING TOOL FOR DRILLING HOLES IN SUBSTRATE ROCK INFORMATION
US5265682A (en) 1991-06-25 1993-11-30 Camco Drilling Group Limited Steerable rotary drilling systems
GB9113713D0 (en) 1991-06-25 1991-08-14 Camco Drilling Group Ltd Improvements in or relating to steerable rotary drilling systems
US5553678A (en) 1991-08-30 1996-09-10 Camco International Inc. Modulated bias units for steerable rotary drilling systems
GB9204910D0 (en) 1992-03-05 1992-04-22 Ledge 101 Ltd Downhole tool
US5314030A (en) 1992-08-12 1994-05-24 Massachusetts Institute Of Technology System for continuously guided drilling
GB9411228D0 (en) 1994-06-04 1994-07-27 Camco Drilling Group Ltd A modulated bias unit for rotary drilling
US5842149A (en) 1996-10-22 1998-11-24 Baker Hughes Incorporated Closed loop drilling system
US6206108B1 (en) 1995-01-12 2001-03-27 Baker Hughes Incorporated Drilling system with integrated bottom hole assembly
GB9503828D0 (en) 1995-02-25 1995-04-19 Camco Drilling Group Ltd "Improvements in or relating to steerable rotary drilling systems"
GB9503830D0 (en) 1995-02-25 1995-04-19 Camco Drilling Group Ltd "Improvements in or relating to steerable rotary drilling systems"
GB9503829D0 (en) 1995-02-25 1995-04-19 Camco Drilling Group Ltd "Improvememnts in or relating to steerable rotary drilling systems"
GB9503827D0 (en) 1995-02-25 1995-04-19 Camco Drilling Group Ltd "Improvements in or relating to steerable rotary drilling systems
US6021377A (en) 1995-10-23 2000-02-01 Baker Hughes Incorporated Drilling system utilizing downhole dysfunctions for determining corrective actions and simulating drilling conditions
GB9521972D0 (en) 1995-10-26 1996-01-03 Camco Drilling Group Ltd A drilling assembly for drilling holes in subsurface formations
US5957221A (en) 1996-02-28 1999-09-28 Baker Hughes Incorporated Downhole core sampling and testing apparatus
DE69801646T2 (en) 1997-01-30 2002-07-04 Baker Hughes Inc DRILLING DEVICE WITH STEERING DEVICE FOR USE WITH A WRAPPED PIPELINE
US6609579B2 (en) 1997-01-30 2003-08-26 Baker Hughes Incorporated Drilling assembly with a steering device for coiled-tubing operations
US6179066B1 (en) 1997-12-18 2001-01-30 Baker Hughes Incorporated Stabilization system for measurement-while-drilling sensors
US6173793B1 (en) 1998-12-18 2001-01-16 Baker Hughes Incorporated Measurement-while-drilling devices with pad mounted sensors
US6727696B2 (en) 1998-03-06 2004-04-27 Baker Hughes Incorporated Downhole NMR processing
US6247542B1 (en) 1998-03-06 2001-06-19 Baker Hughes Incorporated Non-rotating sensor assembly for measurement-while-drilling applications
FR2780753B1 (en) 1998-07-03 2000-08-25 Inst Francais Du Petrole DEVICE AND METHOD FOR CONTROLLING THE PATH OF A WELL
US7413032B2 (en) 1998-11-10 2008-08-19 Baker Hughes Incorporated Self-controlled directional drilling systems and methods
WO2000028188A1 (en) 1998-11-10 2000-05-18 Baker Hughes Incorporated Self-controlled directional drilling systems and methods
GB9902023D0 (en) 1999-01-30 1999-03-17 Pacitti Paolo Directionally-controlled eccentric
US6739409B2 (en) 1999-02-09 2004-05-25 Baker Hughes Incorporated Method and apparatus for a downhole NMR MWD tool configuration
CA2381324C (en) 1999-08-05 2006-05-30 Baker Hughes Incorporated Continuous wellbore drilling system with stationary sensor measurements
US6257356B1 (en) 1999-10-06 2001-07-10 Aps Technology, Inc. Magnetorheological fluid apparatus, especially adapted for use in a steerable drill string, and a method of using same
EP1222359B1 (en) 1999-10-13 2007-01-10 Baker Hughes Incorporated Apparatus for transferring electrical energy between rotating and non-rotating members of downhole tools
CA2327920C (en) 1999-12-10 2005-09-13 Baker Hughes Incorporated Apparatus and method for simultaneous drilling and casing wellbores
US6427783B2 (en) 2000-01-12 2002-08-06 Baker Hughes Incorporated Steerable modular drilling assembly
US6439325B1 (en) 2000-07-19 2002-08-27 Baker Hughes Incorporated Drilling apparatus with motor-driven pump steering control
US20040035199A1 (en) 2000-11-01 2004-02-26 Baker Hughes Incorporated Hydraulic and mechanical noise isolation for improved formation testing
CA2345560C (en) 2000-11-03 2010-04-06 Canadian Downhole Drill Systems Inc. Rotary steerable drilling tool
US6564883B2 (en) 2000-11-30 2003-05-20 Baker Hughes Incorporated Rib-mounted logging-while-drilling (LWD) sensors
US6550548B2 (en) 2001-02-16 2003-04-22 Kyle Lamar Taylor Rotary steering tool system for directional drilling
US6837315B2 (en) 2001-05-09 2005-01-04 Schlumberger Technology Corporation Rotary steerable drilling tool
US7004263B2 (en) 2001-05-09 2006-02-28 Schlumberger Technology Corporation Directional casing drilling
US6840336B2 (en) 2001-06-05 2005-01-11 Schlumberger Technology Corporation Drilling tool with non-rotating sleeve
US6913095B2 (en) 2002-05-15 2005-07-05 Baker Hughes Incorporated Closed loop drilling assembly with electronics outside a non-rotating sleeve
US7556105B2 (en) 2002-05-15 2009-07-07 Baker Hughes Incorporated Closed loop drilling assembly with electronics outside a non-rotating sleeve
US6761232B2 (en) 2002-11-11 2004-07-13 Pathfinder Energy Services, Inc. Sprung member and actuator for downhole tools
US7185715B2 (en) 2003-03-10 2007-03-06 Baker Hughes Incorporated Apparatus and method of controlling motion and vibration of an NMR sensor in a drilling bha
US7228918B2 (en) 2003-05-05 2007-06-12 Baker Hughes Incorporated System and method for forming an underground bore
US7287604B2 (en) 2003-09-15 2007-10-30 Baker Hughes Incorporated Steerable bit assembly and methods
US7306056B2 (en) 2003-11-05 2007-12-11 Baker Hughes Incorporated Directional cased hole side track method applying rotary closed loop system and casing mill
GB2408526B (en) 2003-11-26 2007-10-17 Schlumberger Holdings Steerable drilling system
US7182153B2 (en) * 2004-01-09 2007-02-27 Schlumberger Technology Corporation Methods of casing drilling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10662754B2 (en) 2013-07-06 2020-05-26 Evolution Engineering Inc. Directional drilling apparatus and methods

Also Published As

Publication number Publication date
NO20084692L (en) 2009-01-06
EP2007964A4 (en) 2011-07-06
CA2647032C (en) 2012-05-29
EP3098377B1 (en) 2017-11-29
EP2007964A1 (en) 2008-12-31
MX2008012994A (en) 2008-10-17
EP2007964B1 (en) 2017-01-25
NO342610B1 (en) 2018-06-18
US7413034B2 (en) 2008-08-19
AU2007236499B2 (en) 2011-05-19
AU2007236499A1 (en) 2007-10-18
NO20180498A1 (en) 2009-01-06
US20070235227A1 (en) 2007-10-11
WO2007115397A1 (en) 2007-10-18
BRPI0710493A2 (en) 2011-08-16
EP3098377A1 (en) 2016-11-30
NO344006B1 (en) 2019-08-12

Similar Documents

Publication Publication Date Title
CA2647032A1 (en) Steering tool
EP2242893B1 (en) Steerable system
FI123639B (en) Method and arrangement for controlling rock drilling
RU2471066C2 (en) Method to use sensor of drilling tool end position
JP6821802B2 (en) Rotary steerable device
CA2586298A1 (en) Rotary steerable drilling system
CA2614403A1 (en) System and method for actuating wellbore tools
CA2532618A1 (en) Bi-directional rotary steerable system actuator assembly and method
CA2523725A1 (en) Steerable drilling apparatus having a differential displacement side-force exerting mechanism
NO317469B1 (en) Perkusjonsverktoy
NO334262B1 (en) Device for directional control of drilling tools
GB2422387A (en) Steerable Drilling System
PL124043B1 (en) Hydraulic boring apparatus
US6568485B2 (en) Stalled motor by-pass valve
NO327434B1 (en) Apparatus for absorbing shock
AU630750B2 (en) Hydraulic drilling outfit
EP0694115A1 (en) Drilling arrangement and drilling feed mechanism
US4015728A (en) Material handling apparatus
US20220412167A1 (en) Drilling apparatus and method for use with rotating drill pipe
AU2006250112B2 (en) Impulse generator and impulse tool with impulse generator
SE533373C2 (en) Wing rotation mechanism and plow
JP3535212B2 (en) Channel switching device
SU1257144A1 (en) Hydraulic drive for power shovel working equipment

Legal Events

Date Code Title Description
EEER Examination request