+

WO2004085790A3 - Appareil permettant l'expansion radiale et la deformation plastique d'un element tubulaire - Google Patents

Appareil permettant l'expansion radiale et la deformation plastique d'un element tubulaire Download PDF

Info

Publication number
WO2004085790A3
WO2004085790A3 PCT/US2004/009434 US2004009434W WO2004085790A3 WO 2004085790 A3 WO2004085790 A3 WO 2004085790A3 US 2004009434 W US2004009434 W US 2004009434W WO 2004085790 A3 WO2004085790 A3 WO 2004085790A3
Authority
WO
WIPO (PCT)
Prior art keywords
tubular member
plastically deforming
radially expanding
plastically
deforming
Prior art date
Application number
PCT/US2004/009434
Other languages
English (en)
Other versions
WO2004085790A2 (fr
Inventor
Brock Wayne Watson
Original Assignee
Enventure Global Technology
Brock Wayne Watson
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 Enventure Global Technology, Brock Wayne Watson filed Critical Enventure Global Technology
Priority to CA002522918A priority Critical patent/CA2522918C/fr
Priority to US10/550,906 priority patent/US20080190616A1/en
Priority to GB0521931A priority patent/GB2415987B/en
Publication of WO2004085790A2 publication Critical patent/WO2004085790A2/fr
Priority to NO20054987A priority patent/NO20054987L/no
Priority to US11/552,703 priority patent/US7546881B2/en
Priority to US11/838,782 priority patent/US20080142213A1/en
Publication of WO2004085790A3 publication Critical patent/WO2004085790A3/fr

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
    • 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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs
    • E21B31/16—Grappling tools, e.g. tongs or grabs combined with cutting or destroying means
    • 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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs
    • E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/14—Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • E21B43/105—Expanding tools specially adapted therefor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Prostheses (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Turning (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Pipe Accessories (AREA)
  • Automatic Assembly (AREA)

Abstract

La présente invention concerne un appareil qui permet l'expansion radiale et la déformation plastique d'un élément tubulaire.
PCT/US2004/009434 2001-09-07 2004-03-26 Appareil permettant l'expansion radiale et la deformation plastique d'un element tubulaire WO2004085790A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA002522918A CA2522918C (fr) 2003-03-27 2004-03-26 Appareil et procede servant a decouper un element tubulaire
US10/550,906 US20080190616A1 (en) 2003-03-27 2004-03-26 Apparatus for Radially Expanding and Plastically Deforming a Tubular Member
GB0521931A GB2415987B (en) 2003-03-27 2004-03-26 Apparatus for radially expanding and plastically deforming a tubular member
NO20054987A NO20054987L (no) 2003-03-27 2005-10-26 Apparat for radial ekspansjon og plastisk deformasjon av et rorlegeme
US11/552,703 US7546881B2 (en) 2001-09-07 2006-10-25 Apparatus for radially expanding and plastically deforming a tubular member
US11/838,782 US20080142213A1 (en) 2002-11-12 2007-08-14 Radial expansion of a wellbore casing against a formation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45796503P 2003-03-27 2003-03-27
US60/457,965 2003-03-27

Related Parent Applications (4)

Application Number Title Priority Date Filing Date
PCT/US2004/007711 Continuation-In-Part WO2004081346A2 (fr) 2001-09-07 2004-03-11 Appareil destine a la dilatation radiale et a la deformation plastique d'un element tubulaire
US10/548,934 Continuation-In-Part US7793721B2 (en) 2001-09-07 2004-03-11 Apparatus for radially expanding and plastically deforming a tubular member
US10548934 Continuation-In-Part 2004-03-11
PCT/US2004/010317 Continuation-In-Part WO2004089608A2 (fr) 2001-09-07 2004-04-02 Appareil d'expansion radiale et de deformation plastique d'un element tubulaire

Related Child Applications (6)

Application Number Title Priority Date Filing Date
PCT/US2004/007711 Continuation-In-Part WO2004081346A2 (fr) 2001-09-07 2004-03-11 Appareil destine a la dilatation radiale et a la deformation plastique d'un element tubulaire
US10551906 A-371-Of-International 2004-03-26
US10/550,906 A-371-Of-International US20080190616A1 (en) 2001-09-07 2004-03-26 Apparatus for Radially Expanding and Plastically Deforming a Tubular Member
PCT/US2004/010317 Continuation-In-Part WO2004089608A2 (fr) 2001-09-07 2004-04-02 Appareil d'expansion radiale et de deformation plastique d'un element tubulaire
US10551880 Continuation-In-Part 2004-04-02
US10/552,253 Continuation-In-Part US20060266527A1 (en) 2001-09-07 2004-04-06 Apparatus for radially expanding and plastically deforming a tubular member

Publications (2)

Publication Number Publication Date
WO2004085790A2 WO2004085790A2 (fr) 2004-10-07
WO2004085790A3 true WO2004085790A3 (fr) 2008-11-27

Family

ID=33098254

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/009434 WO2004085790A2 (fr) 2001-09-07 2004-03-26 Appareil permettant l'expansion radiale et la deformation plastique d'un element tubulaire

Country Status (5)

Country Link
US (1) US20080190616A1 (fr)
CA (1) CA2522918C (fr)
GB (1) GB2415987B (fr)
NO (1) NO20054987L (fr)
WO (1) WO2004085790A2 (fr)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6557640B1 (en) 1998-12-07 2003-05-06 Shell Oil Company Lubrication and self-cleaning system for expansion mandrel
WO2003004819A2 (fr) 2001-07-06 2003-01-16 Enventure Global Technology Suspension de colonne perdue
AU6981001A (en) 1998-11-16 2002-01-02 Shell Oil Co Radial expansion of tubular members
US7603758B2 (en) 1998-12-07 2009-10-20 Shell Oil Company Method of coupling a tubular member
US6823937B1 (en) 1998-12-07 2004-11-30 Shell Oil Company Wellhead
US7121352B2 (en) 1998-11-16 2006-10-17 Enventure Global Technology Isolation of subterranean zones
US7357188B1 (en) 1998-12-07 2008-04-15 Shell Oil Company Mono-diameter wellbore casing
US7231985B2 (en) 1998-11-16 2007-06-19 Shell Oil Company Radial expansion of tubular members
US7195064B2 (en) 1998-12-07 2007-03-27 Enventure Global Technology Mono-diameter wellbore casing
US6725919B2 (en) 1998-12-07 2004-04-27 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US7552776B2 (en) 1998-12-07 2009-06-30 Enventure Global Technology, Llc Anchor hangers
US7185710B2 (en) 1998-12-07 2007-03-06 Enventure Global Technology Mono-diameter wellbore casing
US7363984B2 (en) 1998-12-07 2008-04-29 Enventure Global Technology, Llc System for radially expanding a tubular member
GB2356651B (en) 1998-12-07 2004-02-25 Shell Int Research Lubrication and self-cleaning system for expansion mandrel
GB2344606B (en) 1998-12-07 2003-08-13 Shell Int Research Forming a wellbore casing by expansion of a tubular member
AU770359B2 (en) 1999-02-26 2004-02-19 Shell Internationale Research Maatschappij B.V. Liner hanger
US7055608B2 (en) 1999-03-11 2006-06-06 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US7350563B2 (en) 1999-07-09 2008-04-01 Enventure Global Technology, L.L.C. System for lining a wellbore casing
GB2374622B (en) 1999-11-01 2003-12-10 Shell Oil Co Wellbore casing repair
US7516790B2 (en) 1999-12-03 2009-04-14 Enventure Global Technology, Llc Mono-diameter wellbore casing
US7234531B2 (en) 1999-12-03 2007-06-26 Enventure Global Technology, Llc Mono-diameter wellbore casing
US7100684B2 (en) 2000-07-28 2006-09-05 Enventure Global Technology Liner hanger with standoffs
AU9269501A (en) 2000-09-18 2002-03-26 Shell Oil Co Liner hanger with sliding sleeve valve
WO2002029199A1 (fr) 2000-10-02 2002-04-11 Shell Oil Company Procede et appareil permettant de dilater un tubage de revetement
US7100685B2 (en) 2000-10-02 2006-09-05 Enventure Global Technology Mono-diameter wellbore casing
CA2428819A1 (fr) 2001-01-03 2002-07-11 Enventure Global Technology Cuvelage de diametre nanometrique pour puits fore
US7410000B2 (en) 2001-01-17 2008-08-12 Enventure Global Technology, Llc. Mono-diameter wellbore casing
US7290616B2 (en) 2001-07-06 2007-11-06 Enventure Global Technology, L.L.C. Liner hanger
US7258168B2 (en) 2001-07-27 2007-08-21 Enventure Global Technology L.L.C. Liner hanger with slip joint sealing members and method of use
GB2396639B (en) 2001-08-20 2006-03-08 Enventure Global Technology An apparatus for forming a wellbore casing by use of an adjustable tubular expansion cone
WO2004081346A2 (fr) 2003-03-11 2004-09-23 Enventure Global Technology Appareil destine a la dilatation radiale et a la deformation plastique d'un element tubulaire
US7546881B2 (en) 2001-09-07 2009-06-16 Enventure Global Technology, Llc Apparatus for radially expanding and plastically deforming a tubular member
WO2003023178A2 (fr) 2001-09-07 2003-03-20 Enventure Global Technology Ensemble cone d'expansion reglable
AU2002343651A1 (en) 2001-11-12 2003-05-26 Enventure Global Technology Collapsible expansion cone
NL1019368C2 (nl) 2001-11-14 2003-05-20 Nutricia Nv Preparaat voor het verbeteren van receptorwerking.
AU2002367348A1 (en) 2001-12-27 2003-07-24 Enventure Global Technology Seal receptacle using expandable liner hanger
WO2003089161A2 (fr) 2002-04-15 2003-10-30 Enventure Global Technlogy Manchon protecteur destine aux connexions filetees d'un dispositif de suspension pour colonne de tubage perdue expansible
WO2004018824A2 (fr) 2002-08-23 2004-03-04 Enventure Global Technology Impulsion magnetique appliquee sur un manchon et procede de formation d'un tubage de puits de forage
US7404444B2 (en) 2002-09-20 2008-07-29 Enventure Global Technology Protective sleeve for expandable tubulars
EP1985796B1 (fr) 2002-04-12 2012-05-16 Enventure Global Technology Manchon protecteur pour connexions filetées pour support de conduite extensible
CA2487286A1 (fr) 2002-05-29 2003-12-11 Enventure Global Technology Systeme de dilatation radiale d'un element tubulaire
US7398832B2 (en) 2002-06-10 2008-07-15 Enventure Global Technology, Llc Mono-diameter wellbore casing
EP1540128A4 (fr) 2002-08-23 2006-07-19 Enventure Global Technology Procede de formation d'un tubage d'un puits de forage par couche interposee de scellement de joint
CA2499007C (fr) 2002-09-20 2012-08-07 Enventure Global Technology Bouchon inferieur pour la formation d'un tubage de puits de forage de diametre unique
CA2499071C (fr) 2002-09-20 2014-06-03 Enventure Global Technology Mandrin d'extension autolubrifiant pour element tubulaire extensible
WO2004027392A1 (fr) 2002-09-20 2004-04-01 Enventure Global Technology Evaluation de formabilite de conduite pour des elements tubulaires extensibles
US7886831B2 (en) 2003-01-22 2011-02-15 Enventure Global Technology, L.L.C. Apparatus for radially expanding and plastically deforming a tubular member
GB2427636B (en) 2003-01-27 2007-05-16 Enventure Global Technology Lubrication System For Radially Expanding Tubular Members
CA2517208C (fr) 2003-02-26 2008-06-03 Enventure Global Technology Appareil d'expansion radiale et de deformation plastique d'un element tubulaire
CA2523862C (fr) 2003-04-17 2009-06-23 Enventure Global Technology Appareil servant a etendre radialement et deformer plastiquement un element tubulaire
GB0412131D0 (en) 2004-05-29 2004-06-30 Weatherford Lamb Coupling and seating tubulars in a bore
US20050166387A1 (en) 2003-06-13 2005-08-04 Cook Robert L. Method and apparatus for forming a mono-diameter wellbore casing
CA2471053C (fr) 2003-06-16 2007-11-06 Weatherford/Lamb, Inc. Expansion de tubage de trou de forage utilisant deux dispositifs d'expansion
GB0315997D0 (en) 2003-07-09 2003-08-13 Weatherford Lamb Expanding tubing
US7712522B2 (en) 2003-09-05 2010-05-11 Enventure Global Technology, Llc Expansion cone and system
WO2006020960A2 (fr) 2004-08-13 2006-02-23 Enventure Global Technology, Llc Organe tubulaire expansible
US7779910B2 (en) * 2008-02-07 2010-08-24 Halliburton Energy Services, Inc. Expansion cone for expandable liner hanger
US8122960B2 (en) * 2009-08-17 2012-02-28 Baker Hughes Incorporated Spoolable coiled tubing spear for use in wellbores and methods of using same
US8770319B2 (en) * 2009-10-01 2014-07-08 Longyear Tm, Inc. Pump-in seal
US8261842B2 (en) 2009-12-08 2012-09-11 Halliburton Energy Services, Inc. Expandable wellbore liner system
US10004464B2 (en) * 2013-01-31 2018-06-26 Duke University System for improved compressive tomography and method therefor
US9637992B2 (en) 2013-08-01 2017-05-02 Baker Hughes Incorporated Downhole spear having mechanical release mechanism for use in wellbores and methods of using same
CA2944172C (fr) * 2014-05-05 2021-08-24 Enventure Global Technology, Inc. Systeme d'expansion
WO2017001391A1 (fr) 2015-07-01 2017-01-05 Shell Internationale Research Maatschappij B.V. Procédé de poussée et de traction hybride et système destiné à dilater des tubulaires de puits
CN109555497B (zh) * 2019-01-30 2024-01-19 中国石油天然气集团有限公司 一种小井眼可退式打捞筒及使用方法
CN113738271A (zh) * 2021-08-04 2021-12-03 中煤科工集团西安研究院有限公司 一种煤矿井下松软煤层膨胀式割缝管完孔方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5297833A (en) * 1992-11-12 1994-03-29 W-N Apache Corporation Apparatus for gripping a down hole tubular for support and rotation
US6851476B2 (en) * 2001-08-03 2005-02-08 Weather/Lamb, Inc. Dual sensor freepoint tool
US6918440B2 (en) * 2003-04-16 2005-07-19 Halliburton Energy Services, Inc. Testing drill packer
US6926088B2 (en) * 2002-08-08 2005-08-09 Team Oil Tools, Llc Sequential release packer J tools for single trip insertion and extraction

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6598678B1 (en) * 1999-12-22 2003-07-29 Weatherford/Lamb, Inc. Apparatus and methods for separating and joining tubulars in a wellbore
US7373990B2 (en) * 1999-12-22 2008-05-20 Weatherford/Lamb, Inc. Method and apparatus for expanding and separating tubulars in a wellbore
WO2004081346A2 (fr) * 2003-03-11 2004-09-23 Enventure Global Technology Appareil destine a la dilatation radiale et a la deformation plastique d'un element tubulaire
US6808022B2 (en) * 2002-05-16 2004-10-26 Halliburton Energy Services, Inc. Latch profile installation in existing casing
US20060137877A1 (en) * 2002-09-20 2006-06-29 Watson Brock W Cutter for wellbore casing
US6834725B2 (en) * 2002-12-12 2004-12-28 Weatherford/Lamb, Inc. Reinforced swelling elastomer seal element on expandable tubular
CA2523779A1 (fr) * 2003-04-08 2004-10-28 Enventure Global Technology Appareil pour la dilatation radiale et la deformation plastique d'un organe tubulaire
CA2523862C (fr) * 2003-04-17 2009-06-23 Enventure Global Technology Appareil servant a etendre radialement et deformer plastiquement un element tubulaire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5297833A (en) * 1992-11-12 1994-03-29 W-N Apache Corporation Apparatus for gripping a down hole tubular for support and rotation
US6851476B2 (en) * 2001-08-03 2005-02-08 Weather/Lamb, Inc. Dual sensor freepoint tool
US6926088B2 (en) * 2002-08-08 2005-08-09 Team Oil Tools, Llc Sequential release packer J tools for single trip insertion and extraction
US6918440B2 (en) * 2003-04-16 2005-07-19 Halliburton Energy Services, Inc. Testing drill packer

Also Published As

Publication number Publication date
GB2415987A (en) 2006-01-11
GB2415987B (en) 2007-09-12
GB0521931D0 (en) 2005-12-07
CA2522918C (fr) 2009-10-20
CA2522918A1 (fr) 2004-10-07
US20080190616A1 (en) 2008-08-14
NO20054987D0 (no) 2005-10-26
NO20054987L (no) 2005-11-17
WO2004085790A2 (fr) 2004-10-07

Similar Documents

Publication Publication Date Title
WO2004089608A3 (fr) Appareil d'expansion radiale et de deformation plastique d'un element tubulaire
WO2004092527A3 (fr) Appareil pour la dilatation radiale et la deformation plastique d'un organe tubulaire
WO2004081346A3 (fr) Appareil destine a la dilatation radiale et a la deformation plastique d'un element tubulaire
WO2004085790A3 (fr) Appareil permettant l'expansion radiale et la deformation plastique d'un element tubulaire
WO2004092528A3 (fr) Appareil de dilatation radiale et de deformation plastique d'un element tubulaire
WO2004094766A3 (fr) Appareil servant a etendre radialement et deformer plastiquement un element tubulaire
GB2415983B (en) Apparatus for radially expanding and plastically deforming a tubular member
WO2008052058A3 (fr) Appareil de dilatation radiale et de déformation plastique d'un élément tubulaire
WO2003078785A3 (fr) Cone extensible repliable
WO2003106130A3 (fr) Cone d'expansion retractable
GB2389866B (en) Apparatus and methods for radially expanding a tubular member
WO2006079072A3 (fr) Procede et dispositif servant a agrandir un element tubulaire
GB2412682B (en) Plastically deforming and radially expanding an expandable tubular member
AU2003225001A1 (en) System for radially expanding a tubular member
AU2003230386A1 (en) System for radially expanding a tubular member
WO2003016669A3 (fr) Appareil permettant d'elargir des elements tubulaires avec cone d'expansion segmente
WO2003042486A3 (fr) Cone de dilatation retractable
GB0618076D0 (en) Apparatus for radially expanding and plastically deforming a tubular member
WO2007079321A3 (fr) Appareil pour dilater radialement et deformer de maniere resiliente un element tubulaire
GB0715357D0 (en) Apparatus for radially expanding and plastically deforming a tubular member
GB2432388B (en) Apparatus for radially expanding and plastically deforming a tubular member
GB0624328D0 (en) Apparatus for radially expanding and plastically deforming a tubular member
GB0715365D0 (en) Apparatus for radially expanding and plastically deforming a tubular member
GB0715362D0 (en) Apparatus for radilly expanding and plastically deforming a tubular member
BR0215489B1 (pt) método para expandir radialmente e deformar plasticamente um primeiro membro tubular e um segundo membro tubular, e, aparelho.

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 10550906

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2522918

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 0521931.6

Country of ref document: GB

Ref document number: 0521931

Country of ref document: GB

DPEN Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101)
122 Ep: pct application non-entry in european phase
DPE2 Request for preliminary examination filed before expiration of 19th month from priority date (pct application filed from 20040101)
点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载