EA201070268A1 - Система податливо соединенных режущих/калибрующих элементов - Google Patents

Система податливо соединенных режущих/калибрующих элементов

Info

Publication number
EA201070268A1
EA201070268A1 EA201070268A EA201070268A EA201070268A1 EA 201070268 A1 EA201070268 A1 EA 201070268A1 EA 201070268 A EA201070268 A EA 201070268A EA 201070268 A EA201070268 A EA 201070268A EA 201070268 A1 EA201070268 A1 EA 201070268A1
Authority
EA
Eurasian Patent Office
Prior art keywords
system capable
head
connected cutting
calibrating elements
elements
Prior art date
Application number
EA201070268A
Other languages
English (en)
Other versions
EA018284B1 (ru
Inventor
Эшли Джонсон
Джеффри Даунтон
Джон Кук
Original Assignee
Шлюмбергер Текнолоджи Б.В.
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 US11/839,381 external-priority patent/US8757294B2/en
Priority claimed from US12/116,408 external-priority patent/US8534380B2/en
Priority claimed from US12/116,390 external-priority patent/US8763726B2/en
Priority claimed from US12/116,380 external-priority patent/US8066085B2/en
Priority claimed from US12/116,444 external-priority patent/US8720604B2/en
Application filed by Шлюмбергер Текнолоджи Б.В. filed Critical Шлюмбергер Текнолоджи Б.В.
Publication of EA201070268A1 publication Critical patent/EA201070268A1/ru
Publication of EA018284B1 publication Critical patent/EA018284B1/ru

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
    • E21B7/064—Deflecting the direction of boreholes specially adapted drill bits therefor
    • 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
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
    • 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
    • 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
    • E21B17/1092—Gauge section of drill bits

Abstract

Раскрыта система бурового долота для комплекта бурового оборудования. Система бурового долота может включать в себя корпусной элемент, головку и один или несколько калибрующих элементов. Головка может включать в себя первое множество резцов, соединенных с концом головки, и головка может быть соединена с корпусным элементом. Один или несколько калибрующих элементов могут включать в себя второе множество резцов, и один или несколько калибрующих элементов могут быть соединены с корпусным элементом с возможностью перемещения.
EA201070268A 2007-08-15 2008-08-14 Система податливо соединенных режущих/калибрующих элементов EA018284B1 (ru)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US11/839,381 US8757294B2 (en) 2007-08-15 2007-08-15 System and method for controlling a drilling system for drilling a borehole in an earth formation
US12/116,408 US8534380B2 (en) 2007-08-15 2008-05-07 System and method for directional drilling a borehole with a rotary drilling system
US12/116,390 US8763726B2 (en) 2007-08-15 2008-05-07 Drill bit gauge pad control
US12/116,380 US8066085B2 (en) 2007-08-15 2008-05-07 Stochastic bit noise control
US12/116,444 US8720604B2 (en) 2007-08-15 2008-05-07 Method and system for steering a directional drilling system
US12/191,172 US7845430B2 (en) 2007-08-15 2008-08-13 Compliantly coupled cutting system
US12/191,230 US20100038141A1 (en) 2007-08-15 2008-08-13 Compliantly coupled gauge pad system with movable gauge pads
US12/191,204 US7971661B2 (en) 2007-08-15 2008-08-13 Motor bit system
PCT/GB2008/002765 WO2009022145A1 (en) 2007-08-15 2008-08-14 Compliantly coupled cutting/gauge pad system

Publications (2)

Publication Number Publication Date
EA201070268A1 true EA201070268A1 (ru) 2010-10-29
EA018284B1 EA018284B1 (ru) 2013-06-28

Family

ID=40350426

Family Applications (2)

Application Number Title Priority Date Filing Date
EA201070268A EA018284B1 (ru) 2007-08-15 2008-08-14 Система податливо соединенных режущих/калибрующих элементов
EA201070269A EA201070269A1 (ru) 2007-08-15 2008-08-15 Система приводимого двигателем долота

Family Applications After (1)

Application Number Title Priority Date Filing Date
EA201070269A EA201070269A1 (ru) 2007-08-15 2008-08-15 Система приводимого двигателем долота

Country Status (5)

Country Link
US (3) US7845430B2 (ru)
EP (2) EP2176501A1 (ru)
CN (2) CN101784747B (ru)
EA (2) EA018284B1 (ru)
WO (2) WO2009022145A1 (ru)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008097843A2 (en) * 2007-02-02 2008-08-14 Halliburton Energy Services, Inc. Rotary drill bit steerable system and method
US8720604B2 (en) 2007-08-15 2014-05-13 Schlumberger Technology Corporation Method and system for steering a directional drilling system
US8899352B2 (en) * 2007-08-15 2014-12-02 Schlumberger Technology Corporation System and method for drilling
US8066085B2 (en) 2007-08-15 2011-11-29 Schlumberger Technology Corporation Stochastic bit noise control
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
US7845430B2 (en) * 2007-08-15 2010-12-07 Schlumberger Technology Corporation Compliantly coupled cutting system
US8763726B2 (en) 2007-08-15 2014-07-01 Schlumberger Technology Corporation Drill bit gauge pad 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
US8746368B2 (en) * 2008-08-13 2014-06-10 Schlumberger Technology Corporation Compliantly coupled gauge pad system
US8511946B2 (en) 2010-08-25 2013-08-20 Rotary Technologies Corporation Stabilization of boring tools
US9080399B2 (en) 2011-06-14 2015-07-14 Baker Hughes Incorporated Earth-boring tools including retractable pads, cartridges including retractable pads for such tools, and related methods
CN102561951A (zh) * 2012-01-14 2012-07-11 中国石油天然气集团公司 一种双级双速钻井工具
WO2013130654A1 (en) 2012-02-29 2013-09-06 Coyote Pharmaceuticals, Inc. Gga and gga derivatives, compositions thereof and methods for treating neurodegenerative diseases including paralysis including them
US9119808B1 (en) 2012-10-08 2015-09-01 Coyote Pharmaceuticals, Inc. Treating neurodegenerative diseases with GGA or a derivative thereof
US9970235B2 (en) * 2012-10-15 2018-05-15 Bertrand Lacour Rotary steerable drilling system for drilling a borehole in an earth formation
CN106661925A (zh) 2014-07-31 2017-05-10 哈里伯顿能源服务公司 力自平衡钻头
US10494871B2 (en) 2014-10-16 2019-12-03 Baker Hughes, A Ge Company, Llc Modeling and simulation of drill strings with adaptive systems
WO2017018990A1 (en) * 2015-07-24 2017-02-02 Halliburton Energy Services, Inc. Multiple speed drill bit assembly
US10273759B2 (en) 2015-12-17 2019-04-30 Baker Hughes Incorporated Self-adjusting earth-boring tools and related systems and methods
US10280479B2 (en) 2016-01-20 2019-05-07 Baker Hughes, A Ge Company, Llc Earth-boring tools and methods for forming earth-boring tools using shape memory materials
US10508323B2 (en) 2016-01-20 2019-12-17 Baker Hughes, A Ge Company, Llc Method and apparatus for securing bodies using shape memory materials
US10487589B2 (en) 2016-01-20 2019-11-26 Baker Hughes, A Ge Company, Llc Earth-boring tools, depth-of-cut limiters, and methods of forming or servicing a wellbore
CN105507809B (zh) * 2016-02-01 2018-01-26 西南石油大学 一种交变轨迹切削破岩工具
US10612316B2 (en) * 2017-07-27 2020-04-07 Turbo Drill Industries, Inc. Articulated universal joint with backlash reduction
US10633929B2 (en) 2017-07-28 2020-04-28 Baker Hughes, A Ge Company, Llc Self-adjusting earth-boring tools and related systems
WO2019164647A1 (en) 2018-02-23 2019-08-29 Schlumberger Technology Corporation Rotary steerable system with cutters
CN108894730A (zh) * 2018-07-24 2018-11-27 徐芝香 有包的静态推靠式旋转导向工具
EP3809259B1 (en) 2019-10-16 2023-08-16 NXP USA, Inc. Network node firmware update
US11795763B2 (en) 2020-06-11 2023-10-24 Schlumberger Technology Corporation Downhole tools having radially extendable elements

Family Cites Families (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US555367A (en) * 1896-02-25 Ventilator for bedding
US525682A (en) * 1894-09-04 Thomas k fisher
US1156147A (en) * 1913-03-28 1915-10-12 J P Karns Tunneling Machine Co Rock-reamer for drill-heads.
US2016042A (en) * 1933-09-13 1935-10-01 Miles J Lewis Well bore deflecting tool
US2304759A (en) * 1941-05-13 1942-12-08 Henry E Carroll Means for preparing pie crusts
US2355744A (en) * 1942-05-07 1944-08-15 Henry W Mckisson Brush manufacture
US3285349A (en) 1954-06-24 1966-11-15 Orpha B Brandon Method and apparatus for vibratory drillings
US3224513A (en) * 1962-11-07 1965-12-21 Jr Frank G Weeden Apparatus for downhole drilling
US4319649A (en) * 1973-06-18 1982-03-16 Jeter John D Stabilizer
CA1095023A (en) * 1977-07-20 1981-02-03 John Roddy Rock drill bit loading device
US4211292A (en) * 1978-07-27 1980-07-08 Evans Robert F Borehole angle control by gage corner removal effects
GB8529651D0 (en) * 1985-12-02 1986-01-08 Drilex Ltd Directional drilling
US4690229A (en) * 1986-01-22 1987-09-01 Raney Richard C Radially stabilized drill bit
US4842083A (en) * 1986-01-22 1989-06-27 Raney Richard C Drill bit stabilizer
GB8608857D0 (en) * 1986-04-11 1986-05-14 Drilex Aberdeen Ltd Drilling
US4739843A (en) * 1986-05-12 1988-04-26 Sidewinder Tool Joint Venture Apparatus for lateral drilling in oil and gas wells
CA2002135C (en) * 1988-11-03 1999-02-02 James Bain Noble Directional drilling apparatus and method
US5042596A (en) * 1989-02-21 1991-08-27 Amoco Corporation Imbalance compensated drill bit
US5010789A (en) * 1989-02-21 1991-04-30 Amoco Corporation Method of making imbalanced compensated drill bit
US5220963A (en) 1989-12-22 1993-06-22 Patton Consulting, Inc. System for controlled drilling of boreholes along planned profile
US5090492A (en) 1991-02-12 1992-02-25 Dresser Industries, Inc. Drill bit with vibration stabilizers
FR2675197B1 (fr) * 1991-04-12 1993-07-16 Leroy Andre Appareil de forage petrolier, gazier ou geothermique.
US5265682A (en) * 1991-06-25 1993-11-30 Camco Drilling Group Limited Steerable rotary drilling systems
US5553678A (en) 1991-08-30 1996-09-10 Camco International Inc. Modulated bias units for steerable rotary drilling systems
US5163524A (en) 1991-10-31 1992-11-17 Camco Drilling Group Ltd. Rotary drill bits
US5213168A (en) * 1991-11-01 1993-05-25 Amoco Corporation Apparatus for drilling a curved subterranean borehole
US5361859A (en) * 1993-02-12 1994-11-08 Baker Hughes Incorporated Expandable gage bit for drilling and method of drilling
US5339910A (en) * 1993-04-14 1994-08-23 Union Oil Company Of California Drilling torsional friction reducer
US5490569A (en) * 1994-03-22 1996-02-13 The Charles Machine Works, Inc. Directional boring head with deflection shoe and method of boring
US5423389A (en) 1994-03-25 1995-06-13 Amoco Corporation Curved drilling apparatus
GB9411228D0 (en) 1994-06-04 1994-07-27 Camco Drilling Group Ltd A modulated bias unit for rotary drilling
GB9420838D0 (en) * 1994-10-15 1994-11-30 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
DE69531277T2 (de) * 1994-10-15 2004-05-19 Camco Drilling Group Ltd., Stonehouse Drehbohrmeissel
GB9421924D0 (en) * 1994-11-01 1994-12-21 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
AR004469A1 (es) 1994-12-21 1998-12-16 Shell Int Research Un metodo y un conjunto pra crear un agujero de perforacion en una formacion de tierra
GB9503827D0 (en) 1995-02-25 1995-04-19 Camco Drilling Group Ltd "Improvements in or relating to steerable rotary drilling systems
GB9503828D0 (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"
GB9503830D0 (en) 1995-02-25 1995-04-19 Camco Drilling Group Ltd "Improvements in or relating to steerable rotary drilling systems"
IN188195B (ru) * 1995-05-19 2002-08-31 Validus Internat Company L L C
GB9517378D0 (en) 1995-08-24 1995-10-25 Sofitech Nv Hydraulic jetting system
GB9521972D0 (en) * 1995-10-26 1996-01-03 Camco Drilling Group Ltd A drilling assembly for drilling holes in subsurface formations
US5803196A (en) * 1996-05-31 1998-09-08 Diamond Products International Stabilizing drill bit
GB9612524D0 (en) 1996-06-14 1996-08-14 Anderson Charles A Drilling apparatus
US5765653A (en) 1996-10-09 1998-06-16 Baker Hughes Incorporated Reaming apparatus and method with enhanced stability and transition from pilot hole to enlarged bore diameter
GB2322651B (en) * 1996-11-06 2000-09-20 Camco Drilling Group Ltd A downhole unit for use in boreholes in a subsurface formation
GB9708428D0 (en) * 1997-04-26 1997-06-18 Camco Int Uk Ltd Improvements in or relating to rotary drill bits
US6321862B1 (en) 1997-09-08 2001-11-27 Baker Hughes Incorporated Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capability
US6213226B1 (en) 1997-12-04 2001-04-10 Halliburton Energy Services, Inc. Directional drilling assembly and method
US6092610A (en) * 1998-02-05 2000-07-25 Schlumberger Technology Corporation Actively controlled rotary steerable system and method for drilling wells
GB9824380D0 (en) 1998-11-07 1998-12-30 Andergauge Ltd Drilling apparatus
US6158529A (en) * 1998-12-11 2000-12-12 Schlumberger Technology Corporation Rotary steerable well drilling system utilizing sliding sleeve
US6340064B2 (en) * 1999-02-03 2002-01-22 Diamond Products International, Inc. Bi-center bit adapted to drill casing shoe
BE1012545A3 (fr) * 1999-03-09 2000-12-05 Security Dbs Elargisseur de trou de forage.
CA2474226C (en) 1999-07-12 2008-04-22 Halliburton Energy Services, Inc. Pressure compensation system for a steerable rotary drilling device
US6308787B1 (en) 1999-09-24 2001-10-30 Vermeer Manufacturing Company Real-time control system and method for controlling an underground boring machine
US6394200B1 (en) 1999-10-28 2002-05-28 Camco International (U.K.) Limited Drillout bi-center bit
EP1163419B1 (en) * 1999-11-10 2004-06-16 Schlumberger Holdings Limited Control method for use with a steerable drilling system
US6364034B1 (en) 2000-02-08 2002-04-02 William N Schoeffler Directional drilling apparatus
US6438495B1 (en) 2000-05-26 2002-08-20 Schlumberger Technology Corporation Method for predicting the directional tendency of a drilling assembly in real-time
US20010052428A1 (en) 2000-06-15 2001-12-20 Larronde Michael L. Steerable drilling tool
US6427792B1 (en) * 2000-07-06 2002-08-06 Camco International (Uk) Limited Active gauge cutting structure for earth boring drill bits
US6394193B1 (en) 2000-07-19 2002-05-28 Shlumberger Technology Corporation Downhole adjustable bent housing for directional drilling
AU2001279017A1 (en) 2000-07-28 2002-02-13 Charles T. Webb Directional drilling apparatus with shifting cam
DE60100727T2 (de) * 2000-08-21 2004-07-22 Camco International (Uk) Ltd., Stonehouse Mehrrichtungsschneidelemente für bi-zentrales Bohrwerkzeug zum Bohren eines Verrohrungsschuhs
WO2002036924A2 (en) 2000-11-03 2002-05-10 Canadian Downhole Drill Systems Inc. Rotary steerable drilling tool and method for directional drilling
EP1227214B1 (en) 2001-01-27 2004-06-30 Camco International (UK) Limited Cutting structure for drill bit
SE522135C2 (sv) 2001-07-02 2004-01-13 Uno Loef Borrverktyg för sänkborrning
US20030127252A1 (en) 2001-12-19 2003-07-10 Geoff Downton Motor Driven Hybrid Rotary Steerable System
US6732817B2 (en) 2002-02-19 2004-05-11 Smith International, Inc. Expandable underreamer/stabilizer
US6971459B2 (en) * 2002-04-30 2005-12-06 Raney Richard C Stabilizing system and methods for a drill bit
US6913095B2 (en) 2002-05-15 2005-07-05 Baker Hughes Incorporated Closed loop drilling assembly with electronics outside a non-rotating sleeve
US7334649B2 (en) * 2002-12-16 2008-02-26 Halliburton Energy Services, Inc. Drilling with casing
CN1791732B (zh) 2003-05-21 2010-09-08 国际壳牌研究有限公司 具有下扩眼部和稳定部的钻头和钻井系统
US6904984B1 (en) * 2003-06-20 2005-06-14 Rock Bit L.P. Stepped polycrystalline diamond compact insert
US7383898B2 (en) 2003-06-23 2008-06-10 Schlumberger Technology Corporation Inner and outer motor with eccentric stabilizer
US7287604B2 (en) * 2003-09-15 2007-10-30 Baker Hughes Incorporated Steerable bit assembly and methods
US7757784B2 (en) * 2003-11-17 2010-07-20 Baker Hughes Incorporated Drilling methods utilizing independently deployable multiple tubular strings
GB2408526B (en) 2003-11-26 2007-10-17 Schlumberger Holdings Steerable drilling system
GB2439661B (en) 2003-11-26 2008-06-18 Schlumberger Holdings Steerable drilling system
GB2430960B (en) 2004-06-24 2009-01-21 Baker Hughes Inc Drilling systems and methods utilizing independently deployable multiple tubular strings
GB0503742D0 (en) * 2005-02-11 2005-03-30 Hutton Richard Rotary steerable directional drilling tool for drilling boreholes
US7308955B2 (en) * 2005-03-22 2007-12-18 Reedhycalog Uk Limited Stabilizer arrangement
US20060237234A1 (en) * 2005-04-25 2006-10-26 Dennis Tool Company Earth boring tool
GB2425790B (en) * 2005-05-05 2010-09-01 Schlumberger Holdings Steerable drilling system
US8186458B2 (en) * 2005-07-06 2012-05-29 Smith International, Inc. Expandable window milling bit and methods of milling a window in casing
GB0515394D0 (en) 2005-07-27 2005-08-31 Schlumberger Holdings Steerable drilling system
CN2876307Y (zh) * 2005-09-30 2007-03-07 郑州煤炭工业（集团）有限责任公司告成煤矿 滑动伸缩无级变径煤层钻头
US8061453B2 (en) * 2006-05-26 2011-11-22 Smith International, Inc. Drill bit with asymmetric gage pad configuration
US7942214B2 (en) * 2006-11-16 2011-05-17 Schlumberger Technology Corporation Steerable drilling 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
US8534380B2 (en) * 2007-08-15 2013-09-17 Schlumberger Technology Corporation System and method for directional drilling a borehole with a rotary drilling system
US8763726B2 (en) * 2007-08-15 2014-07-01 Schlumberger Technology Corporation Drill bit gauge pad control
US7845430B2 (en) * 2007-08-15 2010-12-07 Schlumberger Technology Corporation Compliantly coupled cutting system

Also Published As

Publication number Publication date
WO2009022146A1 (en) 2009-02-19
US20100038141A1 (en) 2010-02-18
US7845430B2 (en) 2010-12-07
EA018284B1 (ru) 2013-06-28
US20100038139A1 (en) 2010-02-18
EP2176495A1 (en) 2010-04-21
US7971661B2 (en) 2011-07-05
EP2176501A1 (en) 2010-04-21
EA201070269A1 (ru) 2010-10-29
CN101784747A (zh) 2010-07-21
CN101784745A (zh) 2010-07-21
CN101784747B (zh) 2013-10-09
WO2009022145A1 (en) 2009-02-19
US20100038140A1 (en) 2010-02-18

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