CA2468936A1 - Methods and compositions for sealing an expandable tubular in a wellbore - Google Patents
Methods and compositions for sealing an expandable tubular in a wellbore Download PDFInfo
- Publication number
- CA2468936A1 CA2468936A1 CA002468936A CA2468936A CA2468936A1 CA 2468936 A1 CA2468936 A1 CA 2468936A1 CA 002468936 A CA002468936 A CA 002468936A CA 2468936 A CA2468936 A CA 2468936A CA 2468936 A1 CA2468936 A1 CA 2468936A1
- Authority
- CA
- Canada
- Prior art keywords
- wellbore
- expandable tubular
- methods
- sealing
- compositions
- 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
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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/44—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing organic binders only
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
- C09K8/473—Density reducing additives, e.g. for obtaining foamed cement compositions
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/512—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
-
- 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
- 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Gasket Seals (AREA)
Abstract
Methods and compositions are provided for sealing an expandable tubular in a wellbore wherein the methods basically comprise placing the expandable tubular in the wellbore, placing a resilient sealing composition into the wellbore, expanding the expandable tubular and allowing the sealing composition to set in the wellbore.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/006,109 US6668928B2 (en) | 2001-12-04 | 2001-12-04 | Resilient cement |
US10/006,109 | 2001-12-04 | ||
US10/243,001 US7040404B2 (en) | 2001-12-04 | 2002-09-13 | Methods and compositions for sealing an expandable tubular in a wellbore |
US10/243,001 | 2002-09-13 | ||
PCT/GB2002/005416 WO2003048514A1 (en) | 2001-12-04 | 2002-11-29 | Methods and compositions for sealing an expandable tubular in a wellbore |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2468936A1 true CA2468936A1 (en) | 2003-06-12 |
CA2468936C CA2468936C (en) | 2008-06-10 |
Family
ID=26675205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002468936A Expired - Fee Related CA2468936C (en) | 2001-12-04 | 2002-11-29 | Methods and compositions for sealing an expandable tubular in a wellbore |
Country Status (6)
Country | Link |
---|---|
US (1) | US7040404B2 (en) |
EP (1) | EP1451442B1 (en) |
AU (1) | AU2002365712B2 (en) |
CA (1) | CA2468936C (en) |
MX (1) | MXPA04005435A (en) |
WO (1) | WO2003048514A1 (en) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7066284B2 (en) * | 2001-11-14 | 2006-06-27 | Halliburton Energy Services, Inc. | Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
US7040404B2 (en) | 2001-12-04 | 2006-05-09 | Halliburton Energy Services, Inc. | Methods and compositions for sealing an expandable tubular in a wellbore |
US6722433B2 (en) | 2002-06-21 | 2004-04-20 | Halliburton Energy Services, Inc. | Methods of sealing expandable pipe in well bores and sealing compositions |
GB2399083B (en) * | 2003-03-07 | 2007-09-19 | Schlumberger Holdings | flexible cementing compositions and methods for high-temperature wells |
GB0412131D0 (en) * | 2004-05-29 | 2004-06-30 | Weatherford Lamb | Coupling and seating tubulars in a bore |
US7036586B2 (en) * | 2004-01-30 | 2006-05-02 | Halliburton Energy Services, Inc. | Methods of cementing in subterranean formations using crack resistant cement compositions |
US7111684B2 (en) * | 2004-09-14 | 2006-09-26 | Halliburton Energy Services, Inc. | Subterranean fluids having improved environmental characteristics and methods of using these fluids in subterranean formations |
GB2419902B (en) | 2004-11-09 | 2008-02-13 | Schlumberger Holdings | Method of cementing expandable tubulars |
WO2006063986A1 (en) * | 2004-12-15 | 2006-06-22 | Shell Internationale Research Maatschappij B.V. | Method of sealing an annular space in a wellbore |
US7404855B2 (en) * | 2005-02-04 | 2008-07-29 | Halliburton Energy Services, Inc. | Resilient cement compositions and methods of cementing |
US7022755B1 (en) | 2005-02-04 | 2006-04-04 | Halliburton Energy Services, Inc. | Resilient cement compositions and methods of cementing |
US8162055B2 (en) | 2007-04-02 | 2012-04-24 | Halliburton Energy Services Inc. | Methods of activating compositions in subterranean zones |
US9732584B2 (en) * | 2007-04-02 | 2017-08-15 | Halliburton Energy Services, Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US8083849B2 (en) | 2007-04-02 | 2011-12-27 | Halliburton Energy Services, Inc. | Activating compositions in subterranean zones |
US8291975B2 (en) * | 2007-04-02 | 2012-10-23 | Halliburton Energy Services Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US9494032B2 (en) | 2007-04-02 | 2016-11-15 | Halliburton Energy Services, Inc. | Methods and apparatus for evaluating downhole conditions with RFID MEMS sensors |
US9394756B2 (en) | 2007-04-02 | 2016-07-19 | Halliburton Energy Services, Inc. | Timeline from slumber to collection of RFID tags in a well environment |
US9200500B2 (en) | 2007-04-02 | 2015-12-01 | Halliburton Energy Services, Inc. | Use of sensors coated with elastomer for subterranean operations |
US10358914B2 (en) | 2007-04-02 | 2019-07-23 | Halliburton Energy Services, Inc. | Methods and systems for detecting RFID tags in a borehole environment |
US8342242B2 (en) * | 2007-04-02 | 2013-01-01 | Halliburton Energy Services, Inc. | Use of micro-electro-mechanical systems MEMS in well treatments |
US8297352B2 (en) * | 2007-04-02 | 2012-10-30 | Halliburton Energy Services, Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US9879519B2 (en) | 2007-04-02 | 2018-01-30 | Halliburton Energy Services, Inc. | Methods and apparatus for evaluating downhole conditions through fluid sensing |
US9394785B2 (en) | 2007-04-02 | 2016-07-19 | Halliburton Energy Services, Inc. | Methods and apparatus for evaluating downhole conditions through RFID sensing |
US9394784B2 (en) | 2007-04-02 | 2016-07-19 | Halliburton Energy Services, Inc. | Algorithm for zonal fault detection in a well environment |
US8316936B2 (en) * | 2007-04-02 | 2012-11-27 | Halliburton Energy Services Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US8297353B2 (en) * | 2007-04-02 | 2012-10-30 | Halliburton Energy Services, Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US8302686B2 (en) * | 2007-04-02 | 2012-11-06 | Halliburton Energy Services Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US9194207B2 (en) | 2007-04-02 | 2015-11-24 | Halliburton Energy Services, Inc. | Surface wellbore operating equipment utilizing MEMS sensors |
US8162050B2 (en) * | 2007-04-02 | 2012-04-24 | Halliburton Energy Services Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US20110187556A1 (en) * | 2007-04-02 | 2011-08-04 | Halliburton Energy Services, Inc. | Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments |
US9822631B2 (en) | 2007-04-02 | 2017-11-21 | Halliburton Energy Services, Inc. | Monitoring downhole parameters using MEMS |
US7712527B2 (en) | 2007-04-02 | 2010-05-11 | Halliburton Energy Services, Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US7862655B2 (en) * | 2007-06-14 | 2011-01-04 | Halliburton Energy Services Inc. | Subterranean cementing methods and compositions comprising oil suspensions of water soluble polymers |
US7694739B2 (en) * | 2007-06-14 | 2010-04-13 | Halliburton Energy Services, Inc. | Subterranean cementing methods and compositions comprising oil suspensions of water soluble polymers |
BRPI0821878A2 (en) * | 2008-01-04 | 2019-09-10 | Bard Inc C R | synthetic polyisoprene latex curing methods and non-resident urinary drainage catheter |
US9004182B2 (en) * | 2008-02-15 | 2015-04-14 | Baker Hughes Incorporated | Expandable downhole actuator, method of making and method of actuating |
CN102131531A (en) | 2008-06-30 | 2011-07-20 | Cr巴德公司 | Polyurethane/polysoprene blend catheter |
US20100032167A1 (en) | 2008-08-08 | 2010-02-11 | Adam Mark K | Method for Making Wellbore that Maintains a Minimum Drift |
CN102365419A (en) * | 2009-03-31 | 2012-02-29 | 国际壳牌研究有限公司 | Expansion against cement for zonal isolation |
US8371388B2 (en) * | 2009-12-08 | 2013-02-12 | Halliburton Energy Services, Inc. | Apparatus and method for installing a liner string in a wellbore casing |
US8261842B2 (en) * | 2009-12-08 | 2012-09-11 | Halliburton Energy Services, Inc. | Expandable wellbore liner system |
US8302696B2 (en) | 2010-04-06 | 2012-11-06 | Baker Hughes Incorporated | Actuator and tubular actuator |
EP2981672A2 (en) | 2013-04-02 | 2016-02-10 | Halliburton Energy Services, Inc. | Surface wellbore operating equipment utilizing mems sensors |
GB2549667B (en) | 2015-02-27 | 2019-10-02 | Halliburton Energy Services Inc | Sensor coil for inclusion in an RFID Sensor assembly |
GB2551284A (en) | 2015-03-03 | 2017-12-13 | Halliburton Energy Services Inc | Multi-coil RFID sensor assembly |
GB2579318B (en) | 2017-11-13 | 2022-09-21 | Halliburton Energy Services Inc | Swellable metal for non-elastomeric O-rings, seal stacks, and gaskets |
SG11202005195RA (en) | 2018-01-29 | 2020-07-29 | Halliburton Energy Services Inc | Sealing apparatus with swellable metal |
SG11202006956VA (en) | 2018-02-23 | 2020-08-28 | Halliburton Energy Services Inc | Swellable metal for swell packer |
NO20210729A1 (en) | 2019-02-22 | 2021-06-04 | Halliburton Energy Services Inc | An Expanding Metal Sealant For Use With Multilateral Completion Systems |
US11261693B2 (en) | 2019-07-16 | 2022-03-01 | Halliburton Energy Services, Inc. | Composite expandable metal elements with reinforcement |
US10913885B1 (en) | 2019-07-18 | 2021-02-09 | Halliburton Energy Services, Inc. | Metal that hydrates in wellbore fluid and creates an expanding cement |
SG11202111541XA (en) | 2019-07-31 | 2021-11-29 | Halliburton Energy Services Inc | Methods to monitor a metallic sealant deployed in a wellbore, methods to monitor fluid displacement, and downhole metallic sealant measurement systems |
US10961804B1 (en) | 2019-10-16 | 2021-03-30 | Halliburton Energy Services, Inc. | Washout prevention element for expandable metal sealing elements |
US11519239B2 (en) | 2019-10-29 | 2022-12-06 | Halliburton Energy Services, Inc. | Running lines through expandable metal sealing elements |
US11499399B2 (en) | 2019-12-18 | 2022-11-15 | Halliburton Energy Services, Inc. | Pressure reducing metal elements for liner hangers |
US11761290B2 (en) | 2019-12-18 | 2023-09-19 | Halliburton Energy Services, Inc. | Reactive metal sealing elements for a liner hanger |
US11761293B2 (en) | 2020-12-14 | 2023-09-19 | Halliburton Energy Services, Inc. | Swellable packer assemblies, downhole packer systems, and methods to seal a wellbore |
US11421505B2 (en) | 2020-12-16 | 2022-08-23 | Halliburton Energy Services, Inc. | Wellbore packer with expandable metal elements |
US11572749B2 (en) | 2020-12-16 | 2023-02-07 | Halliburton Energy Services, Inc. | Non-expanding liner hanger |
US11578498B2 (en) | 2021-04-12 | 2023-02-14 | Halliburton Energy Services, Inc. | Expandable metal for anchoring posts |
US11879304B2 (en) | 2021-05-17 | 2024-01-23 | Halliburton Energy Services, Inc. | Reactive metal for cement assurance |
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US3782466A (en) * | 1972-07-19 | 1974-01-01 | Shell Oil Co | Bonding casing with syntactic epoxy resin |
US5135577A (en) * | 1990-11-05 | 1992-08-04 | Halliburton Company | Composition and method for inhibiting thermal thinning of cement |
US5159980A (en) * | 1991-06-27 | 1992-11-03 | Halliburton Company | Well completion and remedial methods utilizing rubber latex compositions |
US5389706A (en) * | 1992-10-09 | 1995-02-14 | Halliburton Company | Well cement compositions having improved properties and methods |
FR2703102B1 (en) * | 1993-03-25 | 1999-04-23 | Drillflex | Method of cementing a deformable casing inside a wellbore or a pipe. |
ZA96241B (en) * | 1995-01-16 | 1996-08-14 | Shell Int Research | Method of creating a casing in a borehole |
US5588488A (en) * | 1995-08-22 | 1996-12-31 | Halliburton Company | Cementing multi-lateral wells |
US5795924A (en) * | 1996-07-01 | 1998-08-18 | Halliburton Company | Resilient well cement compositions and methods |
US5688844A (en) * | 1996-07-01 | 1997-11-18 | Halliburton Company | Resilient well cement compositions and methods |
US5738463A (en) * | 1996-08-15 | 1998-04-14 | Halliburton Company | Elastomeric grouting of subsurface conduits |
US5794702A (en) * | 1996-08-16 | 1998-08-18 | Nobileau; Philippe C. | Method for casing a wellbore |
US5833001A (en) * | 1996-12-13 | 1998-11-10 | Schlumberger Technology Corporation | Sealing well casings |
US6258757B1 (en) * | 1997-03-14 | 2001-07-10 | Halliburton Energy Services, Inc. | Water based compositions for sealing subterranean zones and methods |
US5913364A (en) * | 1997-03-14 | 1999-06-22 | Halliburton Energy Services, Inc. | Methods of sealing subterranean zones |
CA2237239A1 (en) | 1997-05-12 | 1998-11-12 | Halliburton Energy Services, Inc. | Polymeric well completion and remedial compositions and methods |
US5968879A (en) * | 1997-05-12 | 1999-10-19 | Halliburton Energy Services, Inc. | Polymeric well completion and remedial compositions and methods |
US5964293A (en) * | 1997-09-25 | 1999-10-12 | Halliburton Energy Services, Inc. | Well completion methods using rubber latex compositions in subterranean formations containing salt zones |
US6098711A (en) | 1998-08-18 | 2000-08-08 | Halliburton Energy Services, Inc. | Compositions and methods for sealing pipe in well bores |
DE19837782A1 (en) * | 1998-08-20 | 2000-02-24 | Volkswagen Ag | Method and device for starting an internal combustion engine |
US7121352B2 (en) * | 1998-11-16 | 2006-10-17 | Enventure Global Technology | Isolation of subterranean zones |
US6271181B1 (en) * | 1999-02-04 | 2001-08-07 | Halliburton Energy Services, Inc. | Sealing subterranean zones |
US6328106B1 (en) * | 1999-02-04 | 2001-12-11 | Halliburton Energy Services, Inc. | Sealing subterranean zones |
US6234251B1 (en) * | 1999-02-22 | 2001-05-22 | Halliburton Energy Services, Inc. | Resilient well cement compositions and methods |
US6253850B1 (en) * | 1999-02-24 | 2001-07-03 | Shell Oil Company | Selective zonal isolation within a slotted liner |
ID30263A (en) * | 1999-04-09 | 2001-11-15 | Shell Int Research | METHOD FOR CIRCLE SEALING |
ES1047002Y (en) * | 2000-08-02 | 2001-07-16 | Boada Germans Sa | IMPROVEMENTS INTRODUCED IN CERAMIC CUTTERS. |
US7228915B2 (en) * | 2001-01-26 | 2007-06-12 | E2Tech Limited | Device and method to seal boreholes |
MY135121A (en) | 2001-07-18 | 2008-02-29 | Shell Int Research | Wellbore system with annular seal member |
US6668928B2 (en) * | 2001-12-04 | 2003-12-30 | Halliburton Energy Services, Inc. | Resilient cement |
US7040404B2 (en) | 2001-12-04 | 2006-05-09 | Halliburton Energy Services, Inc. | Methods and compositions for sealing an expandable tubular in a wellbore |
US6722433B2 (en) * | 2002-06-21 | 2004-04-20 | Halliburton Energy Services, Inc. | Methods of sealing expandable pipe in well bores and sealing compositions |
US6854522B2 (en) * | 2002-09-23 | 2005-02-15 | Halliburton Energy Services, Inc. | Annular isolators for expandable tubulars in wellbores |
US6834725B2 (en) * | 2002-12-12 | 2004-12-28 | Weatherford/Lamb, Inc. | Reinforced swelling elastomer seal element on expandable tubular |
US6907937B2 (en) | 2002-12-23 | 2005-06-21 | Weatherford/Lamb, Inc. | Expandable sealing apparatus |
US6848505B2 (en) * | 2003-01-29 | 2005-02-01 | Baker Hughes Incorporated | Alternative method to cementing casing and liners |
-
2002
- 2002-09-13 US US10/243,001 patent/US7040404B2/en not_active Expired - Lifetime
- 2002-11-29 AU AU2002365712A patent/AU2002365712B2/en not_active Ceased
- 2002-11-29 CA CA002468936A patent/CA2468936C/en not_active Expired - Fee Related
- 2002-11-29 EP EP02804291A patent/EP1451442B1/en not_active Expired - Fee Related
- 2002-11-29 WO PCT/GB2002/005416 patent/WO2003048514A1/en active IP Right Grant
- 2002-11-29 MX MXPA04005435A patent/MXPA04005435A/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US7040404B2 (en) | 2006-05-09 |
WO2003048514A1 (en) | 2003-06-12 |
EP1451442B1 (en) | 2008-09-17 |
AU2002365712B8 (en) | 2003-06-17 |
AU2002365712B2 (en) | 2008-01-17 |
MXPA04005435A (en) | 2004-10-11 |
US20030116319A1 (en) | 2003-06-26 |
EP1451442A1 (en) | 2004-09-01 |
CA2468936C (en) | 2008-06-10 |
AU2002365712A1 (en) | 2003-06-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |