DK80591D0 - Retningsboreapparat og fremgangsmaade - Google Patents

Retningsboreapparat og fremgangsmaade

Info

Publication number
DK80591D0
DK80591D0 DK91805A DK80591A DK80591D0 DK 80591 D0 DK80591 D0 DK 80591D0 DK 91805 A DK91805 A DK 91805A DK 80591 A DK80591 A DK 80591A DK 80591 D0 DK80591 D0 DK 80591D0
Authority
DK
Denmark
Prior art keywords
directory
procedure
Prior art date
Application number
DK91805A
Other languages
English (en)
Other versions
DK80591A (da
DK173482B1 (da
Inventor
James Bain Noble
Original Assignee
James Bain Noble
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
Priority claimed from GB888825771A external-priority patent/GB8825771D0/en
Priority claimed from GB898903447A external-priority patent/GB8903447D0/en
Priority claimed from GB898913594A external-priority patent/GB8913594D0/en
Application filed by James Bain Noble filed Critical James Bain Noble
Publication of DK80591A publication Critical patent/DK80591A/da
Publication of DK80591D0 publication Critical patent/DK80591D0/da
Application granted granted Critical
Publication of DK173482B1 publication Critical patent/DK173482B1/da

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/20Drives for drilling, used in the borehole combined with surface drive
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling
    • E21B7/06Deflecting the direction of boreholes
    • E21B7/068Deflecting the direction of boreholes drilled by a down-hole drilling motor
DK199100805A 1988-11-03 1991-04-30 Retningsboreapparat DK173482B1 (da)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
GB888825771A GB8825771D0 (en) 1988-11-03 1988-11-03 Directional drilling device
GB8825771 1988-11-03
GB8903447 1989-02-15
GB898903447A GB8903447D0 (en) 1989-02-15 1989-02-15 Directional drilling device
GB898913594A GB8913594D0 (en) 1989-06-13 1989-06-13 Directional drilling device
GB8913594 1989-06-13
GB8901318 1989-11-03
PCT/GB1989/001318 WO1990005235A1 (en) 1988-11-03 1989-11-03 Directional drilling apparatus and method

Publications (3)

Publication Number Publication Date
DK80591A DK80591A (da) 1991-04-30
DK80591D0 true DK80591D0 (da) 1991-04-30
DK173482B1 DK173482B1 (da) 2000-12-18

Family

ID=27264151

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199100805A DK173482B1 (da) 1988-11-03 1991-04-30 Retningsboreapparat

Country Status (9)

Country Link
US (1) US5113953A (da)
EP (1) EP0441890B1 (da)
AU (1) AU635509B2 (da)
BR (1) BR8907750A (da)
CA (1) CA2002135C (da)
DE (1) DE68914286T2 (da)
DK (1) DK173482B1 (da)
NO (1) NO178834C (da)
WO (1) WO1990005235A1 (da)

Families Citing this family (141)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0467642A3 (en) * 1990-07-17 1993-03-10 Camco Drilling Group Limited Earth drilling system and method for controlling the direction of a borehole
JPH0814233B2 (ja) * 1990-07-18 1996-02-14 株式会社ハーモニック・ドライブ・システムズ 部材の姿勢制御装置および掘削機の掘削方向制御装置
US5265682A (en) * 1991-06-25 1993-11-30 Camco Drilling Group Limited Steerable rotary drilling systems
US5213168A (en) * 1991-11-01 1993-05-25 Amoco Corporation Apparatus for drilling a curved subterranean borehole
JP2995118B2 (ja) * 1992-01-23 1999-12-27 石油公団 部材の位置決め装置およびこの装置を用いた掘削機の掘削方向制御装置
US5358059A (en) * 1993-09-27 1994-10-25 Ho Hwa Shan Apparatus and method for the dynamic measurement of a drill string employed in drilling
US5413184A (en) * 1993-10-01 1995-05-09 Landers; Carl Method of and apparatus for horizontal well drilling
US5853056A (en) * 1993-10-01 1998-12-29 Landers; Carl W. Method of and apparatus for horizontal well drilling
GB2282614A (en) * 1993-10-05 1995-04-12 Anadrill Int Sa Bottom hole assembly for directional drilling
DE19501396A1 (de) * 1994-01-20 1995-07-27 Sidekick Tools Inc Verfahren und Bohrwerkzeug für das Bohren eines Bohrloches in die Erde
US5421420A (en) * 1994-06-07 1995-06-06 Schlumberger Technology Corporation Downhole weight-on-bit control for directional drilling
US5485889A (en) * 1994-07-25 1996-01-23 Sidekick Tools Inc. Steering drill bit while drilling a bore hole
US5617926A (en) * 1994-08-05 1997-04-08 Schlumberger Technology Corporation Steerable drilling tool and system
US5484029A (en) * 1994-08-05 1996-01-16 Schlumberger Technology Corporation Steerable drilling tool and system
US5727641A (en) * 1994-11-01 1998-03-17 Schlumberger Technology Corporation Articulated directional drilling motor assembly
US5520256A (en) * 1994-11-01 1996-05-28 Schlumberger Technology Corporation Articulated directional drilling motor assembly
US5542482A (en) * 1994-11-01 1996-08-06 Schlumberger Technology Corporation Articulated directional drilling motor assembly
GB9521972D0 (en) * 1995-10-26 1996-01-03 Camco Drilling Group Ltd A drilling assembly for drilling holes in subsurface formations
US5738178A (en) * 1995-11-17 1998-04-14 Baker Hughes Incorporated Method and apparatus for navigational drilling with a downhole motor employing independent drill string and bottomhole assembly rotary orientation and rotation
EP0811744A1 (de) * 1996-06-07 1997-12-10 Baker Hughes Incorporated Verfahren und Vorrichtung zum Abteufen einer Bohrung in unterirdische Formationen
US6102138A (en) * 1997-08-20 2000-08-15 Baker Hughes Incorporated Pressure-modulation valve assembly
US6607044B1 (en) * 1997-10-27 2003-08-19 Halliburton Energy Services, Inc. Three dimensional steerable system and method for steering bit to drill borehole
US6092610A (en) * 1998-02-05 2000-07-25 Schlumberger Technology Corporation Actively controlled rotary steerable system and method for drilling wells
CA2246040A1 (en) 1998-08-28 2000-02-28 Roderick D. Mcleod Lateral jet drilling system
US6158529A (en) * 1998-12-11 2000-12-12 Schlumberger Technology Corporation Rotary steerable well drilling system utilizing sliding sleeve
US6263984B1 (en) 1999-02-18 2001-07-24 William G. Buckman, Sr. Method and apparatus for jet drilling drainholes from wells
US6257353B1 (en) 1999-02-23 2001-07-10 Lti Joint Venture Horizontal drilling method and apparatus
US6283230B1 (en) 1999-03-01 2001-09-04 Jasper N. Peters Method and apparatus for lateral well drilling utilizing a rotating nozzle
US6109372A (en) * 1999-03-15 2000-08-29 Schlumberger Technology Corporation Rotary steerable well drilling system utilizing hydraulic servo-loop
US6216802B1 (en) 1999-10-18 2001-04-17 Donald M. Sawyer Gravity oriented directional drilling apparatus and method
AU1401101A (en) 1999-11-10 2001-06-06 Petroleum Research And Development N.V. Control method for use with a steerable drilling system
AU4158501A (en) 2000-02-16 2001-08-27 Performance Res And Drilling L Horizontal directional drilling in wells
US6412578B1 (en) * 2000-08-21 2002-07-02 Dhdt, Inc. Boring apparatus
US6378629B1 (en) 2000-08-21 2002-04-30 Saturn Machine & Welding Co., Inc. Boring apparatus
US6962214B2 (en) 2001-04-02 2005-11-08 Schlumberger Wcp Ltd. Rotary seal for directional drilling tools
US6840336B2 (en) 2001-06-05 2005-01-11 Schlumberger Technology Corporation Drilling tool with non-rotating sleeve
US6571888B2 (en) * 2001-05-14 2003-06-03 Precision Drilling Technology Services Group, Inc. Apparatus and method for directional drilling with coiled tubing
US7188685B2 (en) 2001-12-19 2007-03-13 Schlumberge Technology Corporation Hybrid rotary steerable system
US7513318B2 (en) * 2002-02-19 2009-04-07 Smith International, Inc. Steerable underreamer/stabilizer assembly and method
US7611522B2 (en) * 2003-06-02 2009-11-03 Nuvasive, Inc. Gravity dependent pedicle screw tap hole guide and data processing device
GEP20125678B (en) 2003-04-25 2012-10-25 Intersyn IP Holdings LLK Systems and methods to control one or more system components by continuously variable transmission usage
GB2408526B (en) 2003-11-26 2007-10-17 Schlumberger Holdings Steerable drilling system
US7243739B2 (en) * 2004-03-11 2007-07-17 Rankin Iii Robert E Coiled tubing directional drilling apparatus
US7297114B2 (en) * 2005-01-25 2007-11-20 Pacesetter, Inc. System and method for distinguishing among cardiac ischemia, hypoglycemia and hyperglycemia using an implantable medical device
GB0521693D0 (en) * 2005-10-25 2005-11-30 Reedhycalog Uk Ltd Representation of whirl in fixed cutter drill bits
US7506703B2 (en) * 2006-01-18 2009-03-24 Smith International, Inc. Drilling and hole enlargement device
US7861802B2 (en) * 2006-01-18 2011-01-04 Smith International, Inc. Flexible directional drilling apparatus and method
US8590636B2 (en) * 2006-04-28 2013-11-26 Schlumberger Technology Corporation Rotary steerable drilling system
AU2007254173B2 (en) * 2006-05-17 2013-07-25 Nuvasive, Inc. Surgical trajectory monitoring system and related methods
US20080142268A1 (en) * 2006-12-13 2008-06-19 Geoffrey Downton Rotary steerable drilling apparatus and method
GB2450498A (en) * 2007-06-26 2008-12-31 Schlumberger Holdings Battery powered rotary steerable drilling system
US7669669B2 (en) * 2007-07-30 2010-03-02 Schlumberger Technology Corporation Tool face sensor method
US8899352B2 (en) * 2007-08-15 2014-12-02 Schlumberger Technology Corporation System and method for drilling
US8720604B2 (en) * 2007-08-15 2014-05-13 Schlumberger Technology Corporation Method and system for steering a directional drilling system
US7971661B2 (en) 2007-08-15 2011-07-05 Schlumberger Technology Corporation Motor bit system
US8757294B2 (en) 2007-08-15 2014-06-24 Schlumberger Technology Corporation System and method for controlling a drilling system for drilling a borehole in an earth formation
US8763726B2 (en) * 2007-08-15 2014-07-01 Schlumberger Technology Corporation Drill bit gauge pad control
US8066085B2 (en) 2007-08-15 2011-11-29 Schlumberger Technology Corporation Stochastic bit noise control
US8534380B2 (en) 2007-08-15 2013-09-17 Schlumberger Technology Corporation System and method for directional drilling a borehole with a rotary drilling system
US7836975B2 (en) 2007-10-24 2010-11-23 Schlumberger Technology Corporation Morphable bit
AU2008317311B2 (en) 2007-10-24 2013-07-04 Nuvasive, Inc. Surgical trajectory monitoring system and related methods
WO2009064732A1 (en) * 2007-11-12 2009-05-22 Schlumberger Canada Limited Wellbore depth computation
US20090171708A1 (en) * 2007-12-28 2009-07-02 International Business Machines Corporation Using templates in a computing environment
US8813869B2 (en) * 2008-03-20 2014-08-26 Schlumberger Technology Corporation Analysis refracted acoustic waves measured in a borehole
US8360172B2 (en) * 2008-04-16 2013-01-29 Baker Hughes Incorporated Steering device for downhole tools
WO2009151786A2 (en) * 2008-04-18 2009-12-17 Dreco Energy Services Ltd. Method and apparatus for controlling downhole rotational rate of a drilling tool
US20090260823A1 (en) * 2008-04-18 2009-10-22 Robert George Prince-Wright Mines and tunnels for use in treating subsurface hydrocarbon containing formations
US9963937B2 (en) 2008-04-18 2018-05-08 Dreco Energy Services Ulc Method and apparatus for controlling downhole rotational rate of a drilling tool
US7779933B2 (en) * 2008-04-30 2010-08-24 Schlumberger Technology Corporation Apparatus and method for steering a drill bit
US8061444B2 (en) * 2008-05-22 2011-11-22 Schlumberger Technology Corporation Methods and apparatus to form a well
US8714246B2 (en) 2008-05-22 2014-05-06 Schlumberger Technology Corporation Downhole measurement of formation characteristics while drilling
CA2725133A1 (en) 2008-05-23 2009-11-26 Schlumberger Canada Limited Drilling wells in compartmentalized reservoirs
US7818128B2 (en) * 2008-07-01 2010-10-19 Schlumberger Technology Corporation Forward models for gamma ray measurement analysis of subterranean formations
US8960329B2 (en) * 2008-07-11 2015-02-24 Schlumberger Technology Corporation Steerable piloted drill bit, drill system, and method of drilling curved boreholes
US20100101867A1 (en) * 2008-10-27 2010-04-29 Olivier Sindt Self-stabilized and anti-whirl drill bits and bottom-hole assemblies and systems for using the same
US8146679B2 (en) * 2008-11-26 2012-04-03 Schlumberger Technology Corporation Valve-controlled downhole motor
US7819666B2 (en) * 2008-11-26 2010-10-26 Schlumberger Technology Corporation Rotating electrical connections and methods of using the same
US8179278B2 (en) * 2008-12-01 2012-05-15 Schlumberger Technology Corporation Downhole communication devices and methods of use
US8276805B2 (en) 2008-12-04 2012-10-02 Schlumberger Technology Corporation Method and system for brazing
US8376366B2 (en) * 2008-12-04 2013-02-19 Schlumberger Technology Corporation Sealing gland and methods of use
US7980328B2 (en) * 2008-12-04 2011-07-19 Schlumberger Technology Corporation Rotary steerable devices and methods of use
US8157024B2 (en) * 2008-12-04 2012-04-17 Schlumberger Technology Corporation Ball piston steering devices and methods of use
US8783382B2 (en) * 2009-01-15 2014-07-22 Schlumberger Technology Corporation Directional drilling control devices and methods
US7975780B2 (en) * 2009-01-27 2011-07-12 Schlumberger Technology Corporation Adjustable downhole motors and methods for use
US8301382B2 (en) 2009-03-27 2012-10-30 Schlumberger Technology Corporation Continuous geomechanically stable wellbore trajectories
US20100243242A1 (en) * 2009-03-27 2010-09-30 Boney Curtis L Method for completing tight oil and gas reservoirs
US9022144B2 (en) 2009-04-23 2015-05-05 Schlumberger Technology Corporation Drill bit assembly having electrically isolated gap joint for measurement of reservoir properties
US9109403B2 (en) 2009-04-23 2015-08-18 Schlumberger Technology Corporation Drill bit assembly having electrically isolated gap joint for electromagnetic telemetry
US8322416B2 (en) 2009-06-18 2012-12-04 Schlumberger Technology Corporation Focused sampling of formation fluids
US8919459B2 (en) * 2009-08-11 2014-12-30 Schlumberger Technology Corporation Control systems and methods for directional drilling utilizing the same
US8307914B2 (en) * 2009-09-09 2012-11-13 Schlumberger Technology Corporation Drill bits and methods of drilling curved boreholes
US8469104B2 (en) 2009-09-09 2013-06-25 Schlumberger Technology Corporation Valves, bottom hole assemblies, and method of selectively actuating a motor
EP2513422A4 (en) 2009-10-20 2017-11-08 Schlumberger Technology B.V. Methods for characterization of formations, navigating drill paths, and placing wells in earth boreholes
US9347266B2 (en) 2009-11-13 2016-05-24 Schlumberger Technology Corporation Stator inserts, methods of fabricating the same, and downhole motors incorporating the same
US8777598B2 (en) * 2009-11-13 2014-07-15 Schlumberger Technology Corporation Stators for downwhole motors, methods for fabricating the same, and downhole motors incorporating the same
US20110116961A1 (en) 2009-11-13 2011-05-19 Hossein Akbari Stators for downhole motors, methods for fabricating the same, and downhole motors incorporating the same
US8235146B2 (en) 2009-12-11 2012-08-07 Schlumberger Technology Corporation Actuators, actuatable joints, and methods of directional drilling
US8245781B2 (en) * 2009-12-11 2012-08-21 Schlumberger Technology Corporation Formation fluid sampling
US8235145B2 (en) * 2009-12-11 2012-08-07 Schlumberger Technology Corporation Gauge pads, cutters, rotary components, and methods for directional drilling
US8905159B2 (en) * 2009-12-15 2014-12-09 Schlumberger Technology Corporation Eccentric steering device and methods of directional drilling
US8473435B2 (en) * 2010-03-09 2013-06-25 Schlumberger Technology Corporation Use of general bayesian networks in oilfield operations
WO2011158111A2 (en) 2010-06-18 2011-12-22 Schlumberger Canada Limited Rotary steerable tool actuator tool face control
US8694257B2 (en) 2010-08-30 2014-04-08 Schlumberger Technology Corporation Method for determining uncertainty with projected wellbore position and attitude
US9435649B2 (en) 2010-10-05 2016-09-06 Schlumberger Technology Corporation Method and system for azimuth measurements using a gyroscope unit
US9309884B2 (en) 2010-11-29 2016-04-12 Schlumberger Technology Corporation Downhole motor or pump components, method of fabrication the same, and downhole motors incorporating the same
US9175515B2 (en) * 2010-12-23 2015-11-03 Schlumberger Technology Corporation Wired mud motor components, methods of fabricating the same, and downhole motors incorporating the same
US8890341B2 (en) 2011-07-29 2014-11-18 Schlumberger Technology Corporation Harvesting energy from a drillstring
US20130032399A1 (en) * 2011-08-02 2013-02-07 Halliburton Energy Services, Inc. Systems and Methods for Directional Pulsed-Electric Drilling
US9181754B2 (en) 2011-08-02 2015-11-10 Haliburton Energy Services, Inc. Pulsed-electric drilling systems and methods with formation evaluation and/or bit position tracking
US9556679B2 (en) 2011-08-19 2017-01-31 Precision Energy Services, Inc. Rotary steerable assembly inhibiting counterclockwise whirl during directional drilling
GB2498831B (en) 2011-11-20 2014-05-28 Schlumberger Holdings Directional drilling attitude hold controller
US9556678B2 (en) 2012-05-30 2017-01-31 Penny Technologies S.À R.L. Drilling system, biasing mechanism and method for directionally drilling a borehole
US9057223B2 (en) 2012-06-21 2015-06-16 Schlumberger Technology Corporation Directional drilling system
US9140114B2 (en) 2012-06-21 2015-09-22 Schlumberger Technology Corporation Instrumented drilling system
US9121223B2 (en) 2012-07-11 2015-09-01 Schlumberger Technology Corporation Drilling system with flow control valve
US9303457B2 (en) 2012-08-15 2016-04-05 Schlumberger Technology Corporation Directional drilling using magnetic biasing
US9366087B2 (en) 2013-01-29 2016-06-14 Schlumberger Technology Corporation High dogleg steerable tool
US9932820B2 (en) 2013-07-26 2018-04-03 Schlumberger Technology Corporation Dynamic calibration of axial accelerometers and magnetometers
CA2928467C (en) 2013-11-25 2018-04-24 Halliburton Energy Services, Inc. Rotary steerable drilling system
US9850712B2 (en) 2013-12-12 2017-12-26 Schlumberger Technology Corporation Determining drilling state for trajectory control
US9869140B2 (en) 2014-07-07 2018-01-16 Schlumberger Technology Corporation Steering system for drill string
US10316598B2 (en) 2014-07-07 2019-06-11 Schlumberger Technology Corporation Valve system for distributing actuating fluid
US10006249B2 (en) 2014-07-24 2018-06-26 Schlumberger Technology Corporation Inverted wellbore drilling motor
US10184873B2 (en) 2014-09-30 2019-01-22 Schlumberger Technology Corporation Vibrating wire viscometer and cartridge for the same
CA2960995A1 (en) * 2014-11-10 2016-05-19 Halliburton Energy Services, Inc. Nonlinear toolface control system for a rotary steerable drilling tool
US10378286B2 (en) 2015-04-30 2019-08-13 Schlumberger Technology Corporation System and methodology for drilling
US10633924B2 (en) 2015-05-20 2020-04-28 Schlumberger Technology Corporation Directional drilling steering actuators
WO2016187372A1 (en) 2015-05-20 2016-11-24 Schlumberger Technology Corporation Steering pads with shaped front faces
US10697240B2 (en) 2015-07-29 2020-06-30 Halliburton Energy Services, Inc. Steering force control mechanism for a downhole drilling tool
US10851591B2 (en) 2015-10-12 2020-12-01 Halliburton Energy Services, Inc. Actuation apparatus of a directional drilling module
US9650834B1 (en) * 2016-01-06 2017-05-16 Isodrill, Llc Downhole apparatus and method for torsional oscillation abatement
US9464482B1 (en) 2016-01-06 2016-10-11 Isodrill, Llc Rotary steerable drilling tool
US9657561B1 (en) 2016-01-06 2017-05-23 Isodrill, Inc. Downhole power conversion and management using a dynamically variable displacement pump
WO2018112205A1 (en) 2016-12-14 2018-06-21 Helmerich & Payne, Inc. Mobile utility articulating boom system
US11274499B2 (en) * 2017-08-31 2022-03-15 Halliburton Energy Services, Inc. Point-the-bit bottom hole assembly with reamer
GB2585294B (en) 2018-02-23 2022-08-31 Schlumberger Technology Bv Rotary steerable system with cutters
US10947814B2 (en) 2018-08-22 2021-03-16 Schlumberger Technology Corporation Pilot controlled actuation valve system
WO2020131098A1 (en) * 2018-12-21 2020-06-25 Halliburton Energy Services, Inc. Drilling a borehole with a steering system using a modular cam arrangement
US11668184B2 (en) 2019-04-01 2023-06-06 Schlumberger Technology Corporation Instrumented rotary tool with compliant connecting portions
US11434748B2 (en) 2019-04-01 2022-09-06 Schlumberger Technology Corporation Instrumented rotary tool with sensor in cavity
CN113187473B (zh) * 2021-05-12 2023-05-30 河南工程学院 一种煤层钻孔专用地层地质测定装置及其方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2291100A (en) * 1940-07-05 1942-07-28 Eastman Oil Well Survey Co Deflecting tool
GB1268938A (en) * 1969-04-08 1972-03-29 Michael King Russell Improvements in or relating to control means for drilling devices
US3667556A (en) * 1970-01-05 1972-06-06 John Keller Henderson Directional drilling apparatus
AU457061B2 (en) * 1970-03-19 1974-12-12 Western Mining Corporation Limited Improved orientation device
US3743034A (en) * 1971-05-03 1973-07-03 Shell Oil Co Steerable drill string
GB1388713A (en) * 1972-03-24 1975-03-26 Russell M K Directional drilling of boreholes
US4431069A (en) * 1980-07-17 1984-02-14 Dickinson Iii Ben W O Method and apparatus for forming and using a bore hole
DE3326885C1 (de) * 1983-07-26 1984-08-16 Christensen, Inc., Salt Lake City, Utah Verfahren und Vorrichtung zum Richtungsbohren in unterirdische Gesteinsformationen
US4577701A (en) * 1984-08-08 1986-03-25 Mobil Oil Corporation System of drilling deviated wellbores
US4667751A (en) * 1985-10-11 1987-05-26 Smith International, Inc. System and method for controlled directional drilling
US4811798A (en) * 1986-10-30 1989-03-14 Team Construction And Fabrication, Inc. Drilling motor deviation tool
US4697651A (en) * 1986-12-22 1987-10-06 Mobil Oil Corporation Method of drilling deviated wellbores

Also Published As

Publication number Publication date
DK80591A (da) 1991-04-30
EP0441890B1 (en) 1994-03-30
BR8907750A (pt) 1991-08-27
NO178834C (no) 1996-06-12
CA2002135A1 (en) 1990-05-03
AU635509B2 (en) 1993-03-25
NO911720D0 (no) 1991-05-02
DE68914286D1 (de) 1994-05-05
NO911720L (no) 1991-07-02
DE68914286T2 (de) 1994-11-03
DK173482B1 (da) 2000-12-18
NO178834B (no) 1996-03-04
US5113953A (en) 1992-05-19
EP0441890A1 (en) 1991-08-21
CA2002135C (en) 1999-02-02
WO1990005235A1 (en) 1990-05-17
AU4630189A (en) 1990-05-28

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