EP0209318A2 - Vorrichtung zum Steuern der Bohrrichtung während des Bohrens eines Bohrloches - Google Patents

Vorrichtung zum Steuern der Bohrrichtung während des Bohrens eines Bohrloches Download PDF

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Publication number
EP0209318A2
EP0209318A2 EP86305285A EP86305285A EP0209318A2 EP 0209318 A2 EP0209318 A2 EP 0209318A2 EP 86305285 A EP86305285 A EP 86305285A EP 86305285 A EP86305285 A EP 86305285A EP 0209318 A2 EP0209318 A2 EP 0209318A2
Authority
EP
European Patent Office
Prior art keywords
drilling
drill collar
course
bore hole
drilling apparatus
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
EP86305285A
Other languages
English (en)
French (fr)
Other versions
EP0209318A3 (en
EP0209318B1 (de
Inventor
Gordon Douglas
Peter Allen
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.)
CAMBRIDGE RADIATION TECHNOLOGY LIMITED
Original Assignee
Cambridge Radiation Technology Ltd
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 Cambridge Radiation Technology Ltd filed Critical Cambridge Radiation Technology Ltd
Publication of EP0209318A2 publication Critical patent/EP0209318A2/de
Publication of EP0209318A3 publication Critical patent/EP0209318A3/en
Application granted granted Critical
Publication of EP0209318B1 publication Critical patent/EP0209318B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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 OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well

Definitions

  • This invention relates to the control of drilling courses in the directional drilling of bore holes, for example in the fields of oil extraction, oil exploration, mineral exploration and geothermal energy extraction.
  • the invention is concerned with apparatus' for use in rotary drilling, rather than turbine drilling which uses down hole motors.
  • a typical assembly of drill string components near the bottom of a bore hole may consist of a drill bit, drill collars and stabilisers, this being known as a bottom hole assembly.
  • a drill collar is a heavy drill pipe whose function it is to transmit the drilling torque dnd axial thrust to the drill bit as well as to provide weight and to provide a connection to the other drill string components above.
  • a stabiliser is a device which is approximately the same diameter as the bore hole wall and acts to centralise the drill collar in its vicinity. Sections of drill collar, stabilisers and the drill bit are joined by screwed connectors.
  • An aim of the invention is the attainment and/or maintenance of desired drilling courses by the use of means which provide a controlled deformation or displacement to the drill string.
  • drilling apparatus comprises a rotatable drill collar, a drill bit carried by the end of the drill collar, two spaced stabilisers which act to locate the drill collar within a bore hole being drilled and control means for controlling the drilling course, the control means comprising sensing means for sensing the actual drilling course, information storage means for storing a predetermined required drilling course, comparison means for comparing the sensed course with the required course and for delivering an error signal in dependence upon the comparison, and actuating means which do not rotate with the collar and which apply a controlled lateral force or displacement to the drill collar in order to deflect the latter between the spaced stabilisers to vary the drilling course in dependence upon said error signal.
  • the sensing means preferably sense direction and inclination of the bore hole course relative to the earths magnetic and gravitational fields respectively.
  • the actuating means preferably include a specially adapted control stabiliser which may be located between said spaced stabilisers which may be conventional stabilisers.
  • One of the spaced stabilisers will be located close to the drilling bit (the “near bit stabiliser") and the other typically 30 to 100ft behind.
  • the control stabiliser controls the drilling direction by deflecting the drill collar through controlled magnitudes in controlled radial directions, using the two spaced stabilisers as support points.
  • the deflection of the drill collar results in a change in the angle of the drilling bit relative to the current direction of the bore hole. This change in angle results in a change in drilling direction.
  • the information storage means may be provided with information which relates to the desired direction and inclination of the bore hole course, and also to the maximum desired curvature of the bore hole during the transition from the initial bore hole course to the desired bore hole course. Information can be supplied to the information storage means either when the latter is on the surface prior to drilling or when in situ during the drilling operation when a course change may be required.
  • a following timed sequence of drill string rotations, stop rotations, or reverse rotations provides the required information of direction, inclination and curvature which is recognised and stored by the information storage means.
  • the coded rotation of the drill collar could be sensed from the voltage produced by an electrical generator driven by rotation of the drill collar.
  • An alternative method of supplying information is to lower down the inside of the drill string a programmer unit by means of an electrically conductive line.
  • the information storage means may be magnetically or acoustically coupled to the programmer unit and the required information transmitted by a timed sequence of electrical and magnetic or acoustic pulses.
  • the comparison means and the subsequent generation of signals to drive the actuating means are generated by an algorithm which is stored and processed electronically.
  • the actuating means deflects the drill collar, in the vicinity of the control stabiliser, in two orthogonal directions by amounts giving the desired magnitude and direction of deflection.
  • the forces to produce these deflections may be provided by flexible tubes or bags which when supplied with hydraulic fluid expand until the required deflections are obtained.
  • a measure of the required deflections are the forces which are applied by the actuators since the essence of the control is to deflect the drill collar between, and relative to, the two conventional stabilisers in the bottom hole assembly. These forces are functions of the hydraulic fluid pressures which are applied to the actuators. Signals resulting from the measurement of these pressures are utilised by the control means, as feedback signals, indicating the attained magnitude and direction of deflection of the drill collar.
  • the required hydraulic fluid flow and pressures may be generated by a suitable reciprocating pump or pumps which are driven from the rotating drill collar. Control of the hydraulic fluid is exercised by suitable valves which divert the fluid flow in accordance with control signals generated by the comparison means.
  • the actuating means may include devices other than tubes or bags to apply the controlled lateral force to the drill string.
  • devices other than tubes or bags to apply the controlled lateral force to the drill string.
  • the drilling means comprise a drill collar 10 carrying at its extremity a drill bit 12.
  • the collar 10 is supported and centred in the bore hole 14 by two spaced stabilisers, namely a near bit stabiliser 16 and a far bit stabiliser 18.
  • a control stabiliser 20 which applies to the drill collar 10 a controlled lateral force or displacement (indicated by arrow 22) in order to deflect the latter between the spaced supports constituted by the stabilisers 16, 18.
  • the lateral forces applied to the drill collar 10 by the bore 14 are indicated at 21 in Figure 1.
  • Figure 1 illustrates the undeflected drill collar at 24.and the deflected drill collar at 26, the change in drilling direction being indicated by the angle 28.
  • FIG 2 shows a half section through the control stabiliser 20, on an enlarged scale.
  • the control stabiliser 20 has a housing 31 which contains the sensing means, information storage means and comparison means, together with batteries, hydraulic pump, valves and other equipment necessary for the operation of the actuating means.
  • the batteries are for powering the electronic and other equipment associated with the control means.
  • the hydraulic pump is driven from the rotating drill collar by virtue of the relative rotation between the rotating drill collar and the normally stationary housing.
  • the wall contact assembly 33 which is externally similar to a conventional stabiliser, provides the reaction to the radial force applied to the drill collar by means of the actuator assembly 34.
  • the wall contact assembly may rotate with the drill collar, in which case the forward joint 35, which is connected to the wall contact assembly by a nose casing 36, is arranged to allow angulation about axes normal to and passing through the axis of the drill collar, while preventing rotation about the axis of the drill collar and minimising radial and axial movement.
  • Bearings 37 connect the rotating wall contact assembly with the non-rotating assembly consisting of an angulation coupling 38, an actuator casing 39 and an anti-rotation device 40.
  • the angulation coupling 38 is similar in performance to the forward joint and allows angulation about axes normal to and passing through the axis of the drill collar but prevents relative rotation about the axis of the drill collar and prevents all relative translational movements.
  • the anti-rotation device 40 is designed to apply radial force to the bore hole wall 14 and provide torsional resistance preventing rotation, while having minimal resistance to axial movement.
  • the housing 31 is connected rigidly to an actuator bridge member 41.
  • This assembly is located onto the drill collar by means of spaced bearings 42.
  • This assembly is also connected to the actuator casing by means of a rear joint 43 which has the same properties as the forward joint and similar properties to the angulation coupling.
  • the actuator assembly 34 consists of four individual actuators 44. These actuators 44 lie within the annular space 46 between the actuator-casing 39 and the actuator bridge member 41 and each actuator is disposed at equal intervals around the periphery, as best shown in Figure 3 The movement of the drill collar relative to the wall contact assembly is achieved by applying different pressures, in a controlled manner, to each of the four actuators 44.
  • the form of the actuators could be a flexible hose or tube 44 or a variation thereof, with one end blanked off and the other end connected to a hydraulic supply and return pipe.
  • the flexible material could be woven polyester or nylon coated with a suitable elastomer such as Viton.
  • each tube 44 is fitted into the annular space 46 reserved for the actuators, as shown in Figure 3.
  • the cross section of each tube 44 would be partially flattened.
  • the actuator bridge member 41 and hence the drill collar 10 will be moved radially with respect to the actuator housing.
  • the use of four actuators allows the actuator bridge member 41 to be positioned at any location relativ to the actuator housing only within the limits of maximum radial movement.
  • An alternative mode of operation of this form of the invention is with the wall contact assembly not rotating with the drill collar.
  • the forward joint 35 is located on the drill collar by means of a bearing assembly 45 and the bearings 37 are locked to provide a rigid connection. It may be useful to configure this form of the invention so that the modes of operation can be interchanged by means of simple adjustments. With the wall contact assembly not rotating it may be that the anti-rotation device is not required, this function being provided by the wall contact assembly itself.
  • the sensing means 50 sense the actual drilling course which is compared with the predetermined required drilling course stored in the information storage means 52. This comparison is carried over in the comparison means 54 which produce an error signal in dependance upon the comparison. The error signal is fed back by a feedback loop 56 to the actuating means 58 (constituted by the control stabiliser 20) which applies the controlled lateral force to the drill collar.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
EP19860305285 1985-07-13 1986-07-09 Vorrichtung zum Steuern der Bohrrichtung während des Bohrens eines Bohrloches Expired - Lifetime EP0209318B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8517749 1985-07-13
GB08517749A GB2177738B (en) 1985-07-13 1985-07-13 Control of drilling courses in the drilling of bore holes

Publications (3)

Publication Number Publication Date
EP0209318A2 true EP0209318A2 (de) 1987-01-21
EP0209318A3 EP0209318A3 (en) 1988-05-04
EP0209318B1 EP0209318B1 (de) 1990-10-31

Family

ID=10582270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860305285 Expired - Lifetime EP0209318B1 (de) 1985-07-13 1986-07-09 Vorrichtung zum Steuern der Bohrrichtung während des Bohrens eines Bohrloches

Country Status (3)

Country Link
EP (1) EP0209318B1 (de)
DE (1) DE3675279D1 (de)
GB (1) GB2177738B (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0594418A1 (de) * 1992-10-23 1994-04-27 Halliburton Company Automatisches Bohrsystem zur Verwendung im Bohrloch
EP1024245A3 (de) * 1999-01-30 2000-08-23 Michael King Russell Kontrollierbarer Stabilisator
WO2001029371A1 (de) * 1999-10-16 2001-04-26 Dmt Welldone Drilling Services Gmbh Vorrichtung zum niederbringen verlaufkontrollierter bohrungen
FR2817905A1 (fr) 2000-12-07 2002-06-14 Inst Francais Du Petrole Dispositif de forage directionnel rotary comportant un moyen de flexion a glissieres
US6467557B1 (en) 1998-12-18 2002-10-22 Western Well Tool, Inc. Long reach rotary drilling assembly
US6470974B1 (en) 1999-04-14 2002-10-29 Western Well Tool, Inc. Three-dimensional steering tool for controlled downhole extended-reach directional drilling
WO2004048745A1 (en) * 2002-11-27 2004-06-10 Smart Stabilizer Systems Limited Steerable drill bit arrangement
AT501933A1 (de) * 2004-07-26 2006-12-15 Albrecht Walter Vortriebseinrichtung
US8590636B2 (en) 2006-04-28 2013-11-26 Schlumberger Technology Corporation Rotary steerable drilling system
CN113404429A (zh) * 2021-07-19 2021-09-17 万晓跃 复合式导向钻井工具及方法

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8830254D0 (en) * 1988-12-24 1989-02-22 Cambridge Radiation Tech Drilling apparatus
US5220963A (en) * 1989-12-22 1993-06-22 Patton Consulting, Inc. System for controlled drilling of boreholes along planned profile
GB9204910D0 (en) * 1992-03-05 1992-04-22 Ledge 101 Ltd Downhole tool
US5490569A (en) * 1994-03-22 1996-02-13 The Charles Machine Works, Inc. Directional boring head with deflection shoe and method of boring
US6340063B1 (en) 1998-01-21 2002-01-22 Halliburton Energy Services, Inc. Steerable rotary directional drilling method
US7306058B2 (en) 1998-01-21 2007-12-11 Halliburton Energy Services, Inc. Anti-rotation device for a steerable rotary drilling device
US6092610A (en) * 1998-02-05 2000-07-25 Schlumberger Technology Corporation Actively controlled rotary steerable system and method for drilling wells
US6158529A (en) 1998-12-11 2000-12-12 Schlumberger Technology Corporation Rotary steerable well drilling system utilizing sliding sleeve
US6269892B1 (en) 1998-12-21 2001-08-07 Dresser Industries, Inc. Steerable drilling system and method
US6109372A (en) * 1999-03-15 2000-08-29 Schlumberger Technology Corporation Rotary steerable well drilling system utilizing hydraulic servo-loop
CA2474232C (en) 1999-07-12 2007-06-19 Halliburton Energy Services, Inc. Anti-rotation device for a steerable rotary drilling device
US6948572B2 (en) 1999-07-12 2005-09-27 Halliburton Energy Services, Inc. Command method for a steerable rotary drilling device
CA2359073A1 (en) 1999-11-10 2001-05-17 Schlumberger Holdings Limited Control method for use with a steerable drilling system
FR2817903B1 (fr) 2000-12-07 2003-04-18 Inst Francais Du Petrole Dispositif de forage directionnel rotary comportant un moyen de flexion stabilise
US6840336B2 (en) 2001-06-05 2005-01-11 Schlumberger Technology Corporation Drilling tool with non-rotating sleeve
CA2351978C (en) 2001-06-28 2006-03-14 Halliburton Energy Services, Inc. Drilling direction control device
US7084782B2 (en) 2002-12-23 2006-08-01 Halliburton Energy Services, Inc. Drill string telemetry system and method
CN1791731B (zh) 2003-04-25 2011-06-01 因特森Ip控股有限公司 使用连续可变传动装置来控制一个或多个系统部件的系统和方法
US7245229B2 (en) 2003-07-01 2007-07-17 Pathfinder Energy Services, Inc. Drill string rotation encoding
CA2448723C (en) 2003-11-07 2008-05-13 Halliburton Energy Services, Inc. Variable gauge drilling apparatus and method of assembly thereof
US7222681B2 (en) 2005-02-18 2007-05-29 Pathfinder Energy Services, Inc. Programming method for controlling a downhole steering tool
CA2545377C (en) 2006-05-01 2011-06-14 Halliburton Energy Services, Inc. Downhole motor with a continuous conductive path
US8065085B2 (en) 2007-10-02 2011-11-22 Gyrodata, Incorporated System and method for measuring depth and velocity of instrumentation within a wellbore using a bendable tool
US8185312B2 (en) 2008-10-22 2012-05-22 Gyrodata, Incorporated Downhole surveying utilizing multiple measurements
US8095317B2 (en) 2008-10-22 2012-01-10 Gyrodata, Incorporated Downhole surveying utilizing multiple measurements
US8065087B2 (en) 2009-01-30 2011-11-22 Gyrodata, Incorporated Reducing error contributions to gyroscopic measurements from a wellbore survey system
US8408331B2 (en) 2010-01-08 2013-04-02 Schlumberger Technology Corporation Downhole downlinking system employing a differential pressure transducer
CA2794510C (en) 2010-03-30 2017-09-19 Gyrodata, Incorporated Bending of a shaft of a steerable borehole drilling tool
US8570833B2 (en) 2010-05-24 2013-10-29 Schlumberger Technology Corporation Downlinking communication system and method
US8792304B2 (en) 2010-05-24 2014-07-29 Schlumberger Technology Corporation Downlinking communication system and method using signal transition detection
US9366087B2 (en) 2013-01-29 2016-06-14 Schlumberger Technology Corporation High dogleg steerable tool
WO2018112205A1 (en) 2016-12-14 2018-06-21 Helmerich & Payne, Inc. Mobile utility articulating boom system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637032A (en) * 1970-01-22 1972-01-25 John D Jeter Directional drilling apparatus
US3993127A (en) * 1974-08-08 1976-11-23 Viktor Gavrilovich Chepelev Apparatus for positioning a working implement in a borehole
US4040494A (en) * 1975-06-09 1977-08-09 Smith International, Inc. Drill director
GB2048340A (en) * 1979-05-18 1980-12-10 Salzgitter Maschinen Ag Centering and Guidance Device for Drilling Rods
US4284154A (en) * 1979-07-19 1981-08-18 Inco Limited Non-rotating spring loaded stabilizer
GB2077811A (en) * 1980-06-12 1981-12-23 Shirley Kirk Risinger A steering tool adapted to control the angle and direction of a rotary well drilling string in the drilling of a well bore through earth formation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE410753B (sv) * 1978-03-06 1979-10-29 Haglund Mats Torbjorn Anordning for att styra en borrkrona i en bestemd bana

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637032A (en) * 1970-01-22 1972-01-25 John D Jeter Directional drilling apparatus
US3993127A (en) * 1974-08-08 1976-11-23 Viktor Gavrilovich Chepelev Apparatus for positioning a working implement in a borehole
US4040494A (en) * 1975-06-09 1977-08-09 Smith International, Inc. Drill director
GB2048340A (en) * 1979-05-18 1980-12-10 Salzgitter Maschinen Ag Centering and Guidance Device for Drilling Rods
US4284154A (en) * 1979-07-19 1981-08-18 Inco Limited Non-rotating spring loaded stabilizer
GB2077811A (en) * 1980-06-12 1981-12-23 Shirley Kirk Risinger A steering tool adapted to control the angle and direction of a rotary well drilling string in the drilling of a well bore through earth formation

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0594418A1 (de) * 1992-10-23 1994-04-27 Halliburton Company Automatisches Bohrsystem zur Verwendung im Bohrloch
US6467557B1 (en) 1998-12-18 2002-10-22 Western Well Tool, Inc. Long reach rotary drilling assembly
EP1024245A3 (de) * 1999-01-30 2000-08-23 Michael King Russell Kontrollierbarer Stabilisator
US6290003B1 (en) 1999-01-30 2001-09-18 Smart Stabilizer Systems Limited Controllable stabilizer
US6470974B1 (en) 1999-04-14 2002-10-29 Western Well Tool, Inc. Three-dimensional steering tool for controlled downhole extended-reach directional drilling
US6708783B2 (en) 1999-04-14 2004-03-23 Western Well Tool, Inc. Three-dimensional steering tool for controlled downhole extended-reach directional drilling
WO2001029371A1 (de) * 1999-10-16 2001-04-26 Dmt Welldone Drilling Services Gmbh Vorrichtung zum niederbringen verlaufkontrollierter bohrungen
FR2817905A1 (fr) 2000-12-07 2002-06-14 Inst Francais Du Petrole Dispositif de forage directionnel rotary comportant un moyen de flexion a glissieres
WO2004048745A1 (en) * 2002-11-27 2004-06-10 Smart Stabilizer Systems Limited Steerable drill bit arrangement
GB2411190A (en) * 2002-11-27 2005-08-24 Smart Stabilizer Systems Ltd Steerable drill bit arrangement
GB2411190B (en) * 2002-11-27 2006-04-05 Smart Stabilizer Systems Ltd Steerable drill bit arrangement
US7445060B2 (en) 2002-11-27 2008-11-04 Smart Stabilizer Systems Limited Steerable drill bit arrangement
AT501933A1 (de) * 2004-07-26 2006-12-15 Albrecht Walter Vortriebseinrichtung
US8590636B2 (en) 2006-04-28 2013-11-26 Schlumberger Technology Corporation Rotary steerable drilling system
CN113404429A (zh) * 2021-07-19 2021-09-17 万晓跃 复合式导向钻井工具及方法
CN113404429B (zh) * 2021-07-19 2023-12-22 万晓跃 复合式导向钻井工具及方法

Also Published As

Publication number Publication date
GB2177738B (en) 1988-08-03
EP0209318A3 (en) 1988-05-04
EP0209318B1 (de) 1990-10-31
DE3675279D1 (de) 1990-12-06
GB8517749D0 (en) 1985-08-21
GB2177738A (en) 1987-01-28

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