NO974525L - Fremgangsmåte og anordning for boring av og tilbakevending til flere sidegrener i en brönn - Google Patents

Fremgangsmåte og anordning for boring av og tilbakevending til flere sidegrener i en brönn

Info

Publication number
NO974525L
NO974525L NO974525A NO974525A NO974525L NO 974525 L NO974525 L NO 974525L NO 974525 A NO974525 A NO 974525A NO 974525 A NO974525 A NO 974525A NO 974525 L NO974525 L NO 974525L
Authority
NO
Norway
Prior art keywords
drilling
returning
well
multiple side
side branches
Prior art date
Application number
NO974525A
Other languages
English (en)
Other versions
NO974525D0 (no
NO311306B1 (no
Inventor
Spyros S Nitis
Herve Ohmer
Mikhail V Gotlib
Original Assignee
Anadrill Int Sa
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 Anadrill Int Sa filed Critical Anadrill Int Sa
Publication of NO974525D0 publication Critical patent/NO974525D0/no
Publication of NO974525L publication Critical patent/NO974525L/no
Publication of NO311306B1 publication Critical patent/NO311306B1/no

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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
    • E21B23/0418—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion specially adapted for locking the tools in landing nipples or recesses
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/02—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
    • E21B23/042—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion using a single piston or multiple mechanically interconnected pistons
    • 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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/024—Determining slope or direction of devices in the borehole
    • 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
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Earth Drilling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Drilling And Boring (AREA)
NO19974525A 1996-10-01 1997-09-30 Fremgangsmåte og anordning for boring av og tilbakevending til flere sidegrener i en brönn NO311306B1 (no)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US2724196P 1996-10-01 1996-10-01
US3542597P 1997-01-22 1997-01-22
US4442297P 1997-04-29 1997-04-29
US08/937,032 US6012527A (en) 1996-10-01 1997-09-24 Method and apparatus for drilling and re-entering multiple lateral branched in a well

Publications (3)

Publication Number Publication Date
NO974525D0 NO974525D0 (no) 1997-09-30
NO974525L true NO974525L (no) 1998-04-02
NO311306B1 NO311306B1 (no) 2001-11-12

Family

ID=27487567

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19974525A NO311306B1 (no) 1996-10-01 1997-09-30 Fremgangsmåte og anordning for boring av og tilbakevending til flere sidegrener i en brönn

Country Status (8)

Country Link
US (1) US6012527A (no)
EP (1) EP0834643B8 (no)
CN (1) CN1083523C (no)
AU (1) AU730479B2 (no)
CA (1) CA2217356C (no)
DE (1) DE69737522T2 (no)
NO (1) NO311306B1 (no)
SA (1) SA98181062B1 (no)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5996711A (en) 1997-04-14 1999-12-07 Schlumberger Technology Corporation Method and apparatus for locating indexing systems in a cased well and conducting multilateral branch operations
US6283208B1 (en) * 1997-09-05 2001-09-04 Schlumberger Technology Corp. Orienting tool and method
AU1925299A (en) * 1997-12-17 1999-07-05 Dailey International Inc. System and method for positioning a tool in a wellbore
US6510898B1 (en) * 1997-12-17 2003-01-28 Weatherford/Lamb, Inc. Positioning assembly
US5992525A (en) * 1998-01-09 1999-11-30 Halliburton Energy Services, Inc. Apparatus and methods for deploying tools in multilateral wells
CA2248287C (en) 1998-09-22 2002-05-21 Laurier E. Comeau Fail-safe coupling for a latch assembly
US6209649B1 (en) * 1999-08-10 2001-04-03 Camco International, Inc Selective re-entry tool for multiple tubing completions and method of using
GB9921859D0 (en) * 1999-09-16 1999-11-17 Smith International Downhole latch system
US7066270B2 (en) * 2000-07-07 2006-06-27 Baker Hughes Incorporated Multilateral reference point sleeve and method of orienting a tool
US6712149B2 (en) * 2001-01-19 2004-03-30 Schlumberger Technology Corporation Apparatus and method for spacing out of offshore wells
US6568480B2 (en) 2001-05-03 2003-05-27 Smith International, Inc. Orientation and locator system and method of use
US7077204B2 (en) * 2001-06-25 2006-07-18 Smith International, Inc. Whip retrieval method and apparatus
US6868909B2 (en) 2001-06-26 2005-03-22 Baker Hughes Incorporated Drillable junction joint and method of use
WO2003021080A1 (en) * 2001-09-05 2003-03-13 Weatherford/Lamb, Inc. High pressure high temperature packer system and expansion assembly
US6725927B2 (en) 2002-02-25 2004-04-27 Schlumberger Technology Corporation Method and system for avoiding damage to behind-casing structures
US20030173089A1 (en) * 2002-03-18 2003-09-18 Westgard David J. Full bore selective location and orientation system and method of locating and orientating a downhole tool
US6915845B2 (en) * 2002-06-04 2005-07-12 Schlumberger Technology Corporation Re-enterable gravel pack system with inflate packer
US6848504B2 (en) * 2002-07-26 2005-02-01 Charles G. Brunet Apparatus and method to complete a multilateral junction
US6935428B2 (en) * 2002-08-12 2005-08-30 Halliburton Energy Services, Inc. Apparatus and methods for anchoring and orienting equipment in well casing
US6622792B1 (en) 2002-08-14 2003-09-23 Kmk Trust Apparatus and method for improving multilateral well formation and reentry
BR0314739A (pt) * 2002-09-24 2005-07-26 Baker Hughes Inc Aparelho de travamento com capacidade de empacotamento
US20040055757A1 (en) * 2002-09-24 2004-03-25 Baker Hughes Incorporated Locking apparatus with packoff capability
GB0225445D0 (en) * 2002-10-31 2002-12-11 Star Energy Ltd Improvements relating to multilateral wells
US7240738B2 (en) * 2003-01-28 2007-07-10 Baker Hughes Incorporated Self-orienting selectable locating collet and method for location within a wellbore
US20060042792A1 (en) * 2004-08-24 2006-03-02 Connell Michael L Methods and apparatus for locating a lateral wellbore
US7325617B2 (en) * 2006-03-24 2008-02-05 Baker Hughes Incorporated Frac system without intervention
US7513302B2 (en) * 2006-12-29 2009-04-07 Schlumberger Technology Corporation Apparatus for orienting a mule shoe to enter a previously-installed tubular in a lateral and method of use
US8733447B2 (en) * 2008-04-10 2014-05-27 Weatherford/Lamb, Inc. Landing string compensator
US9523266B2 (en) 2008-05-20 2016-12-20 Schlumberger Technology Corporation System to perforate a cemented liner having lines or tools outside the liner
US7703524B2 (en) * 2008-05-21 2010-04-27 Halliburton Energy Services, Inc. Cutting windows for lateral wellbore drilling
US7726401B2 (en) * 2008-05-21 2010-06-01 Halliburton Energy Services, Inc. Casing exit joint with easily milled, low density barrier
US20090294124A1 (en) * 2008-05-28 2009-12-03 Schlumberger Technology Corporation System and method for shifting a tool in a well
US8069920B2 (en) * 2009-04-02 2011-12-06 Knight Information Systems, L.L.C. Lateral well locator and reentry apparatus and method
US8651183B2 (en) * 2009-07-31 2014-02-18 Schlumberger Technology Corporation Robotic exploration of unknown surfaces
US9863235B2 (en) * 2011-07-25 2018-01-09 Robertson Intellectual Properties, LLC Permanent or removable positioning apparatus and method for downhole tool operations
US8616293B2 (en) * 2009-11-24 2013-12-31 Michael C. Robertson Tool positioning and latching system
US9416609B2 (en) 2009-11-24 2016-08-16 Robertson Intellectual Properties, LLC Tool positioning and latching system
US8376054B2 (en) * 2010-02-04 2013-02-19 Halliburton Energy Services, Inc. Methods and systems for orienting in a bore
US8602097B2 (en) * 2010-03-18 2013-12-10 Halliburton Energy Services, Inc. Well assembly with a composite fiber sleeve for an opening
US8505621B2 (en) 2010-03-30 2013-08-13 Halliburton Energy Services, Inc. Well assembly with recesses facilitating branch wellbore creation
US8371368B2 (en) 2010-03-31 2013-02-12 Halliburton Energy Services, Inc. Well assembly with a millable member in an opening
US9234613B2 (en) 2010-05-28 2016-01-12 Halliburton Energy Services, Inc. Well assembly coupling
US8393402B2 (en) * 2010-11-01 2013-03-12 Halliburton Energy Services, Inc. Redundant position reference system for multilateral exit construction and method for use of same
US8596350B2 (en) 2011-01-25 2013-12-03 Baker Hughes Incorporated Lock mandrel load distribution apparatus
US20120279709A1 (en) * 2011-05-06 2012-11-08 Smith International, Inc. Expandable downhole casing coupling locator tool
US11078777B2 (en) 2011-07-25 2021-08-03 Robertson Intellectual Properties, LLC Permanent or removable positioning apparatus and method for downhole tool operations
US9394763B2 (en) * 2011-08-08 2016-07-19 Schlumberger Technology Corporation Multilateral location and orientation assembly
US8622141B2 (en) * 2011-08-16 2014-01-07 Baker Hughes Incorporated Degradable no-go component
US20130075103A1 (en) * 2011-09-22 2013-03-28 Vetco Gray Inc. Method and system for performing an electrically operated function with a running tool in a subsea wellhead
US11047192B2 (en) 2012-07-24 2021-06-29 Robertson Intellectual Properties, LLC Downhole positioning and anchoring device
US11591872B2 (en) 2012-07-24 2023-02-28 Robertson Intellectual Properties, LLC Setting tool for downhole applications
CN103697079B (zh) * 2012-09-28 2016-04-20 中国石油化工股份有限公司 液压式井下半程旋转离合器
US8678097B1 (en) * 2013-07-18 2014-03-25 Halliburton Energy Services, Inc. System and method for circumferentially aligning a downhole latch subsystem
US9784059B2 (en) 2012-10-12 2017-10-10 Schlumberger Technology Corporation Selective orientation and location system
US9963954B2 (en) 2012-11-16 2018-05-08 Saudi Arabian Oil Company Caliper steerable tool for lateral sensing and accessing
US9127520B2 (en) * 2012-11-29 2015-09-08 Halliburton Energy Services, Inc. Apparatus, system and method for circumferentially orienting a downhole latch subsystem
EP3696370B1 (en) * 2012-11-29 2023-04-19 Halliburton Energy Services, Inc. Apparatus, system and method for circumferentially orienting a downhole latch subsystem
US9835011B2 (en) 2013-01-08 2017-12-05 Knight Information Systems, Llc Multi-window lateral well locator/reentry apparatus and method
CN104903536B (zh) * 2013-02-06 2017-07-11 哈里伯顿能源服务公司 用于旋转地定向造斜器组件的系统和方法
US9145744B2 (en) * 2013-03-15 2015-09-29 Downhole Innovations Llc Plug and perforate using casing profiles
US9394753B2 (en) 2013-08-15 2016-07-19 Schlumberger Technology Corporation System and methodology for locating a deflector
BR112016000416B1 (pt) * 2013-08-26 2021-12-28 Halliburton Energy Services, Inc Método para orientar uma coluna tubular num poço e sistema para orientar uma coluna tubular com um poço
EP3702579B1 (en) * 2013-10-22 2021-10-06 Halliburton Energy Services, Inc. Methods for orienting a tool in a wellbore
GB2537257B (en) 2013-11-21 2020-07-29 Qinterra Tech As Activating tool for displacing of a component in a well tube and method for adjusting the activating tool
US9896920B2 (en) 2014-03-26 2018-02-20 Superior Energy Services, Llc Stimulation methods and apparatuses utilizing downhole tools
CA2949490A1 (en) 2014-03-26 2015-10-01 Aoi (Advanced Oilfield Innovations, Inc) Apparatus, method, and system for identifying, locating, and accessing addresses of a piping system
CN105484718B (zh) * 2014-09-26 2018-05-08 中国石油化工股份有限公司 滑套组件和压裂管柱
WO2016179429A1 (en) 2015-05-05 2016-11-10 Robertson Intellectual Properties, LLC Downhole positioning and anchoring device
US10731445B2 (en) 2015-07-31 2020-08-04 Abd Technologies Llc Top-down fracturing system
US11078737B2 (en) * 2017-02-27 2021-08-03 Halliburton Energy Services, Inc. Self-orienting selective lockable assembly to regulate subsurface depth and positioning
US10428608B2 (en) * 2017-03-25 2019-10-01 Ronald Van Petegem Latch mechanism and system for downhole applications
US11952842B2 (en) 2017-05-24 2024-04-09 Baker Hughes Incorporated Sophisticated contour for downhole tools
CN107676040B (zh) * 2017-10-12 2020-05-08 中国石油天然气股份有限公司 外壳导向式造斜钻具
BR112020006079B1 (pt) * 2017-11-13 2023-04-11 Halliburton Energy Services Inc Aparelho, e, método.
GB2581600B (en) * 2017-11-13 2022-03-09 Halliburton Energy Services Inc Intelligent landing profile
US10808478B2 (en) * 2018-02-14 2020-10-20 Weatherford Technology Holdings, Llc Assembly and method for performing aligned operation with tool oriented in downhole tubular
WO2020032934A1 (en) 2018-08-07 2020-02-13 Halliburton Energy Services, Inc. Methods and systems for drilling a multilateral wellbackground
US11047201B1 (en) * 2018-11-12 2021-06-29 Paul James Wilson Downhole landing assemblies
NO346632B1 (en) * 2021-04-27 2022-11-07 Interwell Norway As A well tool comprising an orientation system and method for using same
NO346736B1 (en) 2021-04-30 2022-12-05 Archer Oiltools As Axial position-controlled operation toolstring and method
WO2023086085A1 (en) * 2021-11-10 2023-05-19 Halliburton Energy Services, Inc. Debris resistant alignment system and method
WO2023086086A1 (en) * 2021-11-10 2023-05-19 Halliburton Energy Services, Inc. Debris resistant keyed running tool and method
US11946337B2 (en) * 2021-11-16 2024-04-02 Saudi Arabian Oil Company Lock tool for a subsurface safety valve
US11859457B2 (en) * 2021-12-02 2024-01-02 Saudi Arabian Oil Company Accessing lateral wellbores in a multilateral well
CN114991667B (zh) * 2022-08-03 2023-03-31 中石化胜利石油工程有限公司钻井工艺研究院 一种分支井再进入导向定位装置

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2397070A (en) * 1944-05-10 1946-03-19 John A Zublin Well casing for lateral bores
US2797893A (en) * 1954-09-13 1957-07-02 Oilwell Drain Hole Drilling Co Drilling and lining of drain holes
US2858107A (en) * 1955-09-26 1958-10-28 Andrew J Colmerauer Method and apparatus for completing oil wells
US4153109A (en) * 1977-05-19 1979-05-08 Baker International Corporation Method and apparatus for anchoring whipstocks in well bores
US4304299A (en) * 1980-07-21 1981-12-08 Baker International Corporation Method for setting and orienting a whipstock in a well conduit
US4497371A (en) * 1981-06-16 1985-02-05 Mwl Tool And Supply Company Setting tool and retrievable landing assembly
US4415205A (en) * 1981-07-10 1983-11-15 Rehm William A Triple branch completion with separate drilling and completion templates
GB8329138D0 (en) * 1983-11-01 1983-12-07 Encore Drilling Co Ltd Drilling
US4921044A (en) * 1987-03-09 1990-05-01 Otis Engineering Corporation Well injection systems
US4807704A (en) * 1987-09-28 1989-02-28 Atlantic Richfield Company System and method for providing multiple wells from a single wellbore
US5154231A (en) * 1990-09-19 1992-10-13 Masx Energy Services Group, Inc. Whipstock assembly with hydraulically set anchor
GB9118408D0 (en) * 1991-08-28 1991-10-16 Petroline Wireline Services Lock mandrel for downhole assemblies
FR2692315B1 (fr) * 1992-06-12 1994-09-02 Inst Francais Du Petrole Système et méthode de forage et d'équipement d'un puits latéral, application à l'exploitation de gisement pétrolier.
US5325924A (en) * 1992-08-07 1994-07-05 Baker Hughes Incorporated Method and apparatus for locating and re-entering one or more horizontal wells using mandrel means
US5318122A (en) * 1992-08-07 1994-06-07 Baker Hughes, Inc. Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells using deformable sealing means
US5322127C1 (en) * 1992-08-07 2001-02-06 Baker Hughes Inc Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells
US5353876A (en) * 1992-08-07 1994-10-11 Baker Hughes Incorporated Method and apparatus for sealing the juncture between a verticle well and one or more horizontal wells using mandrel means
US5474131A (en) * 1992-08-07 1995-12-12 Baker Hughes Incorporated Method for completing multi-lateral wells and maintaining selective re-entry into laterals
US5311936A (en) * 1992-08-07 1994-05-17 Baker Hughes Incorporated Method and apparatus for isolating one horizontal production zone in a multilateral well
US5318121A (en) * 1992-08-07 1994-06-07 Baker Hughes Incorporated Method and apparatus for locating and re-entering one or more horizontal wells using whipstock with sealable bores
US5454430A (en) * 1992-08-07 1995-10-03 Baker Hughes Incorporated Scoophead/diverter assembly for completing lateral wellbores
US5301760C1 (en) * 1992-09-10 2002-06-11 Natural Reserve Group Inc Completing horizontal drain holes from a vertical well
US5375659A (en) * 1992-10-08 1994-12-27 Halliburton Logging Services Inc. Sonde supported operating system for control of formation production fluid flow
US5462120A (en) * 1993-01-04 1995-10-31 S-Cal Research Corp. Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells connected to liner-equipped multiple drainholes
US5429187A (en) * 1994-03-18 1995-07-04 Weatherford U.S., Inc. Milling tool and operations
US5388648A (en) * 1993-10-08 1995-02-14 Baker Hughes Incorporated Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells using deformable sealing means
US5398754A (en) * 1994-01-25 1995-03-21 Baker Hughes Incorporated Retrievable whipstock anchor assembly
US5439051A (en) * 1994-01-26 1995-08-08 Baker Hughes Incorporated Lateral connector receptacle
CA2192213C (en) * 1994-06-09 2006-04-18 John Hughes Whipstock assembly
US5566763A (en) * 1994-08-26 1996-10-22 Halliburton Company Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion
US5564503A (en) * 1994-08-26 1996-10-15 Halliburton Company Methods and systems for subterranean multilateral well drilling and completion
US5477925A (en) * 1994-12-06 1995-12-26 Baker Hughes Incorporated Method for multi-lateral completion and cementing the juncture with lateral wellbores
DE69603833T2 (de) * 1995-02-03 1999-12-09 Elf Exploration Production, Courbevoie Bohr- und fördereinrichtung für mehrfachförderbohrungen
US5762149A (en) * 1995-03-27 1998-06-09 Baker Hughes Incorporated Method and apparatus for well bore construction
US5785133A (en) * 1995-08-29 1998-07-28 Tiw Corporation Multiple lateral hydrocarbon recovery system and method
US5651415A (en) * 1995-09-28 1997-07-29 Natural Reserves Group, Inc. System for selective re-entry to completed laterals
US5730224A (en) * 1996-02-29 1998-03-24 Halliburton Energy Services, Inc. Slidable access control device for subterranean lateral well drilling and completion
US5794702A (en) * 1996-08-16 1998-08-18 Nobileau; Philippe C. Method for casing a wellbore

Also Published As

Publication number Publication date
DE69737522D1 (de) 2007-05-10
EP0834643A3 (en) 1999-03-24
DE69737522T2 (de) 2007-12-13
AU3931297A (en) 1998-04-09
US6012527A (en) 2000-01-11
NO974525D0 (no) 1997-09-30
CA2217356C (en) 2003-12-16
AU730479B2 (en) 2001-03-08
CN1195065A (zh) 1998-10-07
EP0834643B1 (en) 2007-03-28
SA98181062B1 (ar) 2006-09-25
NO311306B1 (no) 2001-11-12
CA2217356A1 (en) 1998-04-01
EP0834643A2 (en) 1998-04-08
EP0834643B8 (en) 2007-05-09
CN1083523C (zh) 2002-04-24

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