DE602007003645D1 - Elektrisch angetriebene Bohrwerkzeuge - Google Patents

Elektrisch angetriebene Bohrwerkzeuge

Info

Publication number
DE602007003645D1
DE602007003645D1 DE602007003645T DE602007003645T DE602007003645D1 DE 602007003645 D1 DE602007003645 D1 DE 602007003645D1 DE 602007003645 T DE602007003645 T DE 602007003645T DE 602007003645 T DE602007003645 T DE 602007003645T DE 602007003645 D1 DE602007003645 D1 DE 602007003645D1
Authority
DE
Germany
Prior art keywords
electrically driven
drilling tools
driven drilling
tools
electrically
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.)
Active
Application number
DE602007003645T
Other languages
English (en)
Inventor
Jimmie Williamson
James D Vick Jr
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
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 filed Critical Halliburton Energy Services Inc
Publication of DE602007003645D1 publication Critical patent/DE602007003645D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/05—Flapper valves

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Magnetically Actuated Valves (AREA)
  • Massaging Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Surgical Instruments (AREA)
  • Portable Nailing Machines And Staplers (AREA)
DE602007003645T 2006-08-31 2007-08-29 Elektrisch angetriebene Bohrwerkzeuge Active DE602007003645D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/469,269 US7640989B2 (en) 2006-08-31 2006-08-31 Electrically operated well tools

Publications (1)

Publication Number Publication Date
DE602007003645D1 true DE602007003645D1 (de) 2010-01-21

Family

ID=38659351

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007003645T Active DE602007003645D1 (de) 2006-08-31 2007-08-29 Elektrisch angetriebene Bohrwerkzeuge

Country Status (4)

Country Link
US (1) US7640989B2 (de)
EP (2) EP1898045B1 (de)
DE (1) DE602007003645D1 (de)
NO (1) NO337697B1 (de)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006015277A1 (en) * 2004-07-30 2006-02-09 Baker Hughes Incorporated Downhole inflow control device with shut-off feature
GB0424249D0 (en) * 2004-11-02 2004-12-01 Camcon Ltd Improved actuator requiring low power for actuation for remotely located valve operation and valve actuator combination
US8096351B2 (en) * 2007-10-19 2012-01-17 Baker Hughes Incorporated Water sensing adaptable in-flow control device and method of use
US7942206B2 (en) 2007-10-12 2011-05-17 Baker Hughes Incorporated In-flow control device utilizing a water sensitive media
US8312931B2 (en) 2007-10-12 2012-11-20 Baker Hughes Incorporated Flow restriction device
US8069921B2 (en) 2007-10-19 2011-12-06 Baker Hughes Incorporated Adjustable flow control devices for use in hydrocarbon production
US7789139B2 (en) 2007-10-19 2010-09-07 Baker Hughes Incorporated Device and system for well completion and control and method for completing and controlling a well
US7775277B2 (en) 2007-10-19 2010-08-17 Baker Hughes Incorporated Device and system for well completion and control and method for completing and controlling a well
US7775271B2 (en) 2007-10-19 2010-08-17 Baker Hughes Incorporated Device and system for well completion and control and method for completing and controlling a well
US7891430B2 (en) * 2007-10-19 2011-02-22 Baker Hughes Incorporated Water control device using electromagnetics
US7913755B2 (en) 2007-10-19 2011-03-29 Baker Hughes Incorporated Device and system for well completion and control and method for completing and controlling a well
US7913765B2 (en) 2007-10-19 2011-03-29 Baker Hughes Incorporated Water absorbing or dissolving materials used as an in-flow control device and method of use
US8544548B2 (en) 2007-10-19 2013-10-01 Baker Hughes Incorporated Water dissolvable materials for activating inflow control devices that control flow of subsurface fluids
US7784543B2 (en) 2007-10-19 2010-08-31 Baker Hughes Incorporated Device and system for well completion and control and method for completing and controlling a well
US20090101354A1 (en) * 2007-10-19 2009-04-23 Baker Hughes Incorporated Water Sensing Devices and Methods Utilizing Same to Control Flow of Subsurface Fluids
US20090101329A1 (en) * 2007-10-19 2009-04-23 Baker Hughes Incorporated Water Sensing Adaptable Inflow Control Device Using a Powered System
US7793714B2 (en) 2007-10-19 2010-09-14 Baker Hughes Incorporated Device and system for well completion and control and method for completing and controlling a well
US7918272B2 (en) 2007-10-19 2011-04-05 Baker Hughes Incorporated Permeable medium flow control devices for use in hydrocarbon production
US20090101344A1 (en) * 2007-10-22 2009-04-23 Baker Hughes Incorporated Water Dissolvable Released Material Used as Inflow Control Device
US7918275B2 (en) 2007-11-27 2011-04-05 Baker Hughes Incorporated Water sensitive adaptive inflow control using couette flow to actuate a valve
US20090151790A1 (en) * 2007-12-12 2009-06-18 Baker Hughes Incorporated Electro-magnetic multi choke position valve
US8839849B2 (en) 2008-03-18 2014-09-23 Baker Hughes Incorporated Water sensitive variable counterweight device driven by osmosis
US7992637B2 (en) 2008-04-02 2011-08-09 Baker Hughes Incorporated Reverse flow in-flow control device
US8931570B2 (en) 2008-05-08 2015-01-13 Baker Hughes Incorporated Reactive in-flow control device for subterranean wellbores
US8113292B2 (en) 2008-05-13 2012-02-14 Baker Hughes Incorporated Strokable liner hanger and method
US8555958B2 (en) 2008-05-13 2013-10-15 Baker Hughes Incorporated Pipeless steam assisted gravity drainage system and method
US7762341B2 (en) * 2008-05-13 2010-07-27 Baker Hughes Incorporated Flow control device utilizing a reactive media
US8171999B2 (en) * 2008-05-13 2012-05-08 Baker Huges Incorporated Downhole flow control device and method
US7789152B2 (en) * 2008-05-13 2010-09-07 Baker Hughes Incorporated Plug protection system and method
US8151889B2 (en) * 2008-12-08 2012-04-10 Schlumberger Technology Corporation System and method for controlling flow in a wellbore
US8960295B2 (en) * 2009-04-24 2015-02-24 Chevron U.S.A. Inc. Fracture valve tools and related methods
US8151881B2 (en) 2009-06-02 2012-04-10 Baker Hughes Incorporated Permeability flow balancing within integral screen joints
US8132624B2 (en) 2009-06-02 2012-03-13 Baker Hughes Incorporated Permeability flow balancing within integral screen joints and method
US8056627B2 (en) 2009-06-02 2011-11-15 Baker Hughes Incorporated Permeability flow balancing within integral screen joints and method
US8893809B2 (en) * 2009-07-02 2014-11-25 Baker Hughes Incorporated Flow control device with one or more retrievable elements and related methods
US8550166B2 (en) * 2009-07-21 2013-10-08 Baker Hughes Incorporated Self-adjusting in-flow control device
US8662187B2 (en) * 2009-08-13 2014-03-04 Baker Hughes Incorporated Permanent magnet linear motor actuated safety valve and method
US9016371B2 (en) * 2009-09-04 2015-04-28 Baker Hughes Incorporated Flow rate dependent flow control device and methods for using same in a wellbore
US8393386B2 (en) * 2009-11-23 2013-03-12 Baker Hughes Incorporated Subsurface safety valve and method of actuation
US8453748B2 (en) 2010-03-31 2013-06-04 Halliburton Energy Services, Inc. Subterranean well valve activated with differential pressure
US9010448B2 (en) 2011-04-12 2015-04-21 Halliburton Energy Services, Inc. Safety valve with electrical actuator and tubing pressure balancing
US9016387B2 (en) 2011-04-12 2015-04-28 Halliburton Energy Services, Inc. Pressure equalization apparatus and associated systems and methods
US9068425B2 (en) * 2011-04-12 2015-06-30 Halliburton Energy Services, Inc. Safety valve with electrical actuator and tubing pressure balancing
US8757274B2 (en) 2011-07-01 2014-06-24 Halliburton Energy Services, Inc. Well tool actuator and isolation valve for use in drilling operations
WO2013006159A1 (en) * 2011-07-01 2013-01-10 Halliburton Energy Services, Inc. Well tool actuator and isolation valve for use in drilling operations
US8511374B2 (en) * 2011-08-02 2013-08-20 Halliburton Energy Services, Inc. Electrically actuated insert safety valve
US8800689B2 (en) 2011-12-14 2014-08-12 Halliburton Energy Services, Inc. Floating plug pressure equalization in oilfield drill bits
US8960298B2 (en) * 2012-02-02 2015-02-24 Tejas Research And Engineering, Llc Deep set subsurface safety system
CN104411917B (zh) * 2012-06-20 2018-01-09 国际壳牌研究有限公司 一种用于防喷器的电磁致动器
US20130341034A1 (en) * 2012-06-25 2013-12-26 Schlumberger Technology Corporation Flapper retention devices and methods
US8857522B2 (en) * 2012-11-29 2014-10-14 Chevron U.S.A., Inc. Electrically-powered surface-controlled subsurface safety valves
US9062516B2 (en) * 2013-01-29 2015-06-23 Halliburton Energy Services, Inc. Magnetic valve assembly
US9650858B2 (en) 2013-02-26 2017-05-16 Halliburton Energy Services, Inc. Resettable packer assembly and methods of using the same
GB201303614D0 (en) 2013-02-28 2013-04-17 Petrowell Ltd Downhole detection
EP3447241B1 (de) 2013-02-28 2020-08-05 Weatherford Technology Holdings, Llc Bohrlochkommunikation
US10294775B2 (en) 2013-02-28 2019-05-21 Weatherford Technology Holdings, Llc Downhole communication
US9440341B2 (en) 2013-09-18 2016-09-13 Vetco Gray Inc. Magnetic frame and guide for anti-rotation key installation
WO2015094168A1 (en) * 2013-12-16 2015-06-25 Halliburton Energy Services, Inc. Magnetic spring booster for subsurface safety valve
WO2016141456A1 (en) 2015-03-12 2016-09-15 Ncs Multistage Inc. Electrically actuated downhole flow control apparatus
US20160273303A1 (en) * 2015-03-19 2016-09-22 Schlumberger Technology Corporation Actuation system with locking feature
CA3222228A1 (en) 2015-04-24 2016-10-24 Ncs Multistage Inc. Plug-actuated flow control member
WO2016179685A1 (en) 2015-05-11 2016-11-17 Ncs Multistage Inc. Downhole flow control apparatus
CA2948273C (en) * 2015-11-11 2023-08-01 Extensive Energy Technologies Partnership Downhole valve
CN105317390B (zh) * 2015-12-07 2018-03-02 吉林大学 用于冰芯钻探的高效磁力打捞器
EP3810889B1 (de) * 2018-06-22 2024-07-17 Services Pétroliers Schlumberger Elektrisches durchflussregelventilsystem mit vollständiger bohrung
MX2021000820A (es) * 2018-07-24 2021-03-25 Halliburton Energy Services Inc Valvula de seguridad electrica de seccion equilibrada.
GB2588044B (en) * 2018-07-26 2022-10-26 Halliburton Energy Services Inc Electric safety valve with well pressure activation
US10920529B2 (en) 2018-12-13 2021-02-16 Tejas Research & Engineering, Llc Surface controlled wireline retrievable safety valve
GB2591393B (en) * 2018-12-03 2023-03-15 Halliburton Energy Services Inc Flow tube position sensor and monitoring for sub surface safety valves
EP4111027A4 (de) * 2020-02-24 2024-01-24 Services Pétroliers Schlumberger Sicherheitsventil mit elektrischen aktuatoren
BR102020013476A2 (pt) * 2020-06-30 2022-01-11 Ouro Negro Tecnologias Em Equipamentos Industriais S/A Travamento eletromagneto-mecânico aplicado à válvula de segurança de subsuperfície
US11286747B2 (en) * 2020-08-06 2022-03-29 Saudi Arabian Oil Company Sensored electronic valve for drilling and workover applications
US20240076955A1 (en) * 2022-09-01 2024-03-07 Halliburton Energy Services, Inc. Electromagnetic attraction on the flow sleeve of trsvs

Family Cites Families (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703532A (en) * 1949-02-23 1955-03-08 Phillips Petroleum Co Electromechanical gas lift valve and control system therefor
US3196948A (en) * 1962-04-10 1965-07-27 American Metal Climax Inc Isolation packer for well pump
US3666030A (en) * 1971-02-21 1972-05-30 Dresser Ind Electrical energy supply for well tools
US3731742A (en) * 1971-03-17 1973-05-08 Otis Eng Corp Well flow controlling method, apparatus and system
US3854695A (en) * 1972-09-28 1974-12-17 Vetco Offshore Ind Inc Electromagnet control apparatus
USRE30110E (en) * 1975-09-24 1979-10-09 Fail-safe safety cut-off valve for a fluid well
US4058166A (en) * 1976-03-29 1977-11-15 Otis Engineering Corporation Well setting tool
US4191248A (en) * 1978-01-03 1980-03-04 Huebsch Donald L Tandem solenoid-controlled safety cut-off valve for a fluid well
US4295795A (en) * 1978-03-23 1981-10-20 Texaco Inc. Method for forming remotely actuated gas lift systems and balanced valve systems made thereby
US4407329A (en) * 1980-04-14 1983-10-04 Huebsch Donald L Magnetically operated fail-safe cutoff valve with pressure equalizing means
US4619323A (en) * 1981-06-03 1986-10-28 Exxon Production Research Co. Method for conducting workover operations
US4467870A (en) * 1982-07-06 1984-08-28 Baker Oil Tools, Inc. Fluid pressure actuator for subterranean well apparatus
US4793379A (en) * 1982-07-16 1988-12-27 Eidsmore Paul G Supply cylinder shut-off and flow control valve
US4566534A (en) * 1985-02-01 1986-01-28 Camco, Incorporated Solenoid actuated well safety valve
US4579177A (en) * 1985-02-15 1986-04-01 Camco, Incorporated Subsurface solenoid latched safety valve
US4667736A (en) * 1985-05-24 1987-05-26 Otis Engineering Corporation Surface controlled subsurface safety valve
JPS6264080A (ja) * 1985-08-19 1987-03-20 石油資源開発株式会社 高温用ケ−ブル接続ヘツド
US4649993A (en) * 1985-09-18 1987-03-17 Camco, Incorporated Combination electrically operated solenoid safety valve and measuring sensor
DE3604270C1 (de) * 1986-02-12 1987-07-02 Christensen Inc Norton Bohrwerkzeug fuer Tiefbohrungen
US4771982A (en) * 1986-05-14 1988-09-20 Chevron Research Company Slidable electric valve device having a spring
GB2200775B (en) 1987-01-29 1990-06-20 Int Pipeline Prod Ltd Actuator for pipeline signalling device
US4798247A (en) * 1987-07-15 1989-01-17 Otis Engineering Corporation Solenoid operated safety valve and submersible pump system
JPH0633271Y2 (ja) * 1988-02-29 1994-08-31 トリニティ工業株式会社 塗料供給バルブ
US4796708A (en) * 1988-03-07 1989-01-10 Baker Hughes Incorporated Electrically actuated safety valve for a subterranean well
US5293551A (en) * 1988-03-18 1994-03-08 Otis Engineering Corporation Monitor and control circuit for electric surface controlled subsurface valve system
US4886114A (en) * 1988-03-18 1989-12-12 Otis Engineering Corporation Electric surface controlled subsurface valve system
US5070595A (en) * 1988-03-18 1991-12-10 Otis Engineering Corporation Method for manufacturing electrIc surface controlled subsurface valve system
US4981173A (en) * 1988-03-18 1991-01-01 Otis Engineering Corporation Electric surface controlled subsurface valve system
US5070944A (en) * 1989-10-11 1991-12-10 British Petroleum Company P.L.C. Down hole electrically operated safety valve
DE69034150T2 (de) * 1989-10-24 2005-08-25 Isis Pharmaceuticals, Inc., Carlsbad 2'-Modifizierte Oligonukleotide
JPH0651519B2 (ja) 1989-12-26 1994-07-06 東洋製罐株式会社 アセプティック充填弁
US5734209A (en) * 1990-01-10 1998-03-31 Uniflo Oilcorp, Ltd. Linear electric motor and method of using and constructing same
US5039061A (en) * 1990-01-26 1991-08-13 John H. Carter Co., Inc. Magnetically actuated linear valve operator and method
US5908049A (en) * 1990-03-15 1999-06-01 Fiber Spar And Tube Corporation Spoolable composite tubular member with energy conductors
JPH07501437A (ja) * 1991-07-12 1995-02-09 デンネ　ディベロプメンツ　リミテッド 直線駆動用電磁装置
FR2679293B1 (fr) * 1991-07-16 1999-01-22 Inst Francais Du Petrole Dispositif d'actionnement associe a une garniture de forage et comportant un circuit hydrostatique en fluide de forage, methode d'actionnement et leur application.
US5236047A (en) * 1991-10-07 1993-08-17 Camco International Inc. Electrically operated well completion apparatus and method
US5409031A (en) * 1991-10-24 1995-04-25 Mcgill; James C. Safety shut off valve
US5291947A (en) * 1992-06-08 1994-03-08 Atlantic Richfield Company Tubing conveyed wellbore straddle packer system
FR2695450B1 (fr) * 1992-09-07 1994-12-16 Geo Res Cartouche de contrôle et de commande d'une vanne de sécurité.
US5299640A (en) * 1992-10-19 1994-04-05 Halliburton Company Knife gate valve stage cementer
US5465786A (en) 1994-05-27 1995-11-14 Dresser Industries, Inc. Subsurface tubing safety valve
FR2725238B1 (fr) * 1994-09-30 1996-11-22 Elf Aquitaine Installation pour puits petrolier munie d'une electropompe en fond de puits
US5558153A (en) * 1994-10-20 1996-09-24 Baker Hughes Incorporated Method & apparatus for actuating a downhole tool
US6016845A (en) * 1995-09-28 2000-01-25 Fiber Spar And Tube Corporation Composite spoolable tube
US6112809A (en) * 1996-12-02 2000-09-05 Intelligent Inspection Corporation Downhole tools with a mobility device
CA2244942C (en) * 1996-12-09 2005-02-08 Baker Hughes Incorporated Electric safety valve actuator
US6041857A (en) * 1997-02-14 2000-03-28 Baker Hughes Incorporated Motor drive actuator for downhole flow control devices
JPH1193883A (ja) 1997-09-17 1999-04-06 Terada Pump Seisakusho:Kk ポンプ用マグネットカップリング
US5917774A (en) * 1997-09-26 1999-06-29 Western Atlas International, Inc. Magnetic motion coupling for well logging instruments
US6004639A (en) * 1997-10-10 1999-12-21 Fiberspar Spoolable Products, Inc. Composite spoolable tube with sensor
US6302210B1 (en) * 1997-11-10 2001-10-16 Halliburton Energy Services, Inc. Safety valve utilizing an isolation valve and method of using the same
US6161722A (en) * 1998-10-29 2000-12-19 Nordson Corporation Liquid dispensing device and methods utilizing a magnetically coupled valve stem
FR2790507B1 (fr) * 1999-03-05 2001-04-20 Schlumberger Services Petrol Actionneur de fond de puits a soufflets et dispositif de reglage de debit utilisant un tel actionneur
US6237693B1 (en) * 1999-08-13 2001-05-29 Camco International Inc. Failsafe safety valve and method
IT1309954B1 (it) * 1999-12-30 2002-02-05 Lucio Berto Struttura di valvola di sicurezza particolarmente per gas.
US6321845B1 (en) * 2000-02-02 2001-11-27 Schlumberger Technology Corporation Apparatus for device using actuator having expandable contractable element
US6433991B1 (en) * 2000-02-02 2002-08-13 Schlumberger Technology Corp. Controlling activation of devices
US6352118B1 (en) * 2000-03-30 2002-03-05 Halliburton Energy Services, Inc. System and method for communication hydraulic control to a wireline retrievable downhole device
US6427778B1 (en) * 2000-05-18 2002-08-06 Baker Hughes Incorporated Control system for deep set subsurface valves
US6619388B2 (en) * 2001-02-15 2003-09-16 Halliburton Energy Services, Inc. Fail safe surface controlled subsurface safety valve for use in a well
US6561278B2 (en) * 2001-02-20 2003-05-13 Henry L. Restarick Methods and apparatus for interconnecting well tool assemblies in continuous tubing strings
US6491106B1 (en) * 2001-03-14 2002-12-10 Halliburton Energy Services, Inc. Method of controlling a subsurface safety valve
TW502784U (en) * 2001-06-19 2002-09-11 Shiu-Ming Chiou Induction type pump driving device
US6568470B2 (en) * 2001-07-27 2003-05-27 Baker Hughes Incorporated Downhole actuation system utilizing electroactive fluids
US6626244B2 (en) * 2001-09-07 2003-09-30 Halliburton Energy Services, Inc. Deep-set subsurface safety valve assembly
US6863124B2 (en) * 2001-12-21 2005-03-08 Schlumberger Technology Corporation Sealed ESP motor system
US6988556B2 (en) * 2002-02-19 2006-01-24 Halliburton Energy Services, Inc. Deep set safety valve

Also Published As

Publication number Publication date
EP1898045B1 (de) 2009-12-09
EP1898045A1 (de) 2008-03-12
US20080053662A1 (en) 2008-03-06
NO337697B1 (no) 2016-06-06
EP2151539B1 (de) 2014-05-14
EP2151539A1 (de) 2010-02-10
US7640989B2 (en) 2010-01-05
NO20074380L (no) 2008-03-03

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Legal Events

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8364 No opposition during term of opposition