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GB0005399D0 - Forming a wellbore casing while simulataneously drilling a wellbore - Google Patents

Forming a wellbore casing while simulataneously drilling a wellbore

Info

Publication number
GB0005399D0
GB0005399D0 GB0005399A GB0005399A GB0005399D0 GB 0005399 D0 GB0005399 D0 GB 0005399D0 GB 0005399 A GB0005399 A GB 0005399A GB 0005399 A GB0005399 A GB 0005399A GB 0005399 D0 GB0005399 D0 GB 0005399D0
Authority
GB
United Kingdom
Prior art keywords
wellbore
simulataneously
drilling
forming
casing
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
Application number
GB0005399A
Other versions
GB2348223B (en
GB2348223A (en
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.)
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
Original Assignee
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
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 SHELL INT RESEARCH, Shell Internationale Research Maatschappij BV filed Critical SHELL INT RESEARCH
Priority to GB0310099A priority Critical patent/GB2385620B/en
Priority to GB0310101A priority patent/GB2385621B/en
Priority to GB0310090A priority patent/GB2385619B/en
Priority to GB0310104A priority patent/GB2385622B/en
Priority to GB0310118A priority patent/GB2385623B/en
Publication of GB0005399D0 publication Critical patent/GB0005399D0/en
Publication of GB2348223A publication Critical patent/GB2348223A/en
Application granted granted Critical
Publication of GB2348223B publication Critical patent/GB2348223B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/10Setting of casings, screens, liners or the like in wells
    • E21B43/103Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • E21B43/106Couplings or joints therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B29/00Cutting 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
    • E21B29/10Reconditioning of well casings, e.g. straightening
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/13Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/14Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/10Setting of casings, screens, liners or the like in wells
    • E21B43/103Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/20Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • E21B7/208Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes using down-hole drives

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Extrusion Of Metal (AREA)
GB0005399A 1999-03-11 2000-03-06 Method of creating a casing in a borehole Expired - Fee Related GB2348223B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB0310099A GB2385620B (en) 1999-03-11 2000-03-06 Forming a wellbore casing while simultaneously drilling a wellbore
GB0310101A GB2385621B (en) 1999-03-11 2000-03-06 Forming a wellbore casing while simultaneously drilling a wellbore
GB0310090A GB2385619B (en) 1999-03-11 2000-03-06 Forming a wellbore casing while simultaneously drilling a wellbore
GB0310104A GB2385622B (en) 1999-03-11 2000-03-06 Forming a wellbore casing while simultaneously drilling a wellbore
GB0310118A GB2385623B (en) 1999-03-11 2000-03-06 Forming a wellbore casing while simultaneously drilling a wellbore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12404299P 1999-03-11 1999-03-11

Publications (3)

Publication Number Publication Date
GB0005399D0 true GB0005399D0 (en) 2000-04-26
GB2348223A GB2348223A (en) 2000-09-27
GB2348223B GB2348223B (en) 2003-09-24

Family

ID=22412418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0005399A Expired - Fee Related GB2348223B (en) 1999-03-11 2000-03-06 Method of creating a casing in a borehole

Country Status (3)

Country Link
CA (1) CA2300363A1 (en)
GB (1) GB2348223B (en)
NO (2) NO328541B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116136151A (en) * 2023-04-18 2023-05-19 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) Underground water manual observation channel drilling equipment

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7147068B2 (en) 1994-10-14 2006-12-12 Weatherford / Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7100710B2 (en) 1994-10-14 2006-09-05 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US6868906B1 (en) 1994-10-14 2005-03-22 Weatherford/Lamb, Inc. Closed-loop conveyance systems for well servicing
US7108084B2 (en) 1994-10-14 2006-09-19 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7040420B2 (en) 1994-10-14 2006-05-09 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7036610B1 (en) 1994-10-14 2006-05-02 Weatherford / Lamb, Inc. Apparatus and method for completing oil and gas wells
US7228901B2 (en) 1994-10-14 2007-06-12 Weatherford/Lamb, Inc. Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7013997B2 (en) 1994-10-14 2006-03-21 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US6742596B2 (en) 2001-05-17 2004-06-01 Weatherford/Lamb, Inc. Apparatus and methods for tubular makeup interlock
US6536520B1 (en) 2000-04-17 2003-03-25 Weatherford/Lamb, Inc. Top drive casing system
US7509722B2 (en) 1997-09-02 2009-03-31 Weatherford/Lamb, Inc. Positioning and spinning device
US7140445B2 (en) 1997-09-02 2006-11-28 Weatherford/Lamb, Inc. Method and apparatus for drilling with casing
GB9815809D0 (en) 1998-07-22 1998-09-16 Appleton Robert P Casing running tool
GB2340859A (en) 1998-08-24 2000-03-01 Weatherford Lamb Method and apparatus for facilitating the connection of tubulars using a top drive
GB2340857A (en) 1998-08-24 2000-03-01 Weatherford Lamb An apparatus for facilitating the connection of tubulars and alignment with a top drive
GB2340858A (en) 1998-08-24 2000-03-01 Weatherford Lamb Methods and apparatus for facilitating the connection of tubulars using a top drive
US6640903B1 (en) 1998-12-07 2003-11-04 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US6745845B2 (en) * 1998-11-16 2004-06-08 Shell Oil Company Isolation of subterranean zones
US7121352B2 (en) 1998-11-16 2006-10-17 Enventure Global Technology Isolation of subterranean zones
US6712154B2 (en) 1998-11-16 2004-03-30 Enventure Global Technology Isolation of subterranean zones
US6823937B1 (en) 1998-12-07 2004-11-30 Shell Oil Company Wellhead
US7231985B2 (en) 1998-11-16 2007-06-19 Shell Oil Company Radial expansion of tubular members
US6575240B1 (en) 1998-12-07 2003-06-10 Shell Oil Company System and method for driving pipe
US6604763B1 (en) 1998-12-07 2003-08-12 Shell Oil Company Expandable connector
US7603758B2 (en) 1998-12-07 2009-10-20 Shell Oil Company Method of coupling a tubular member
US6557640B1 (en) 1998-12-07 2003-05-06 Shell Oil Company Lubrication and self-cleaning system for expansion mandrel
US7357188B1 (en) 1998-12-07 2008-04-15 Shell Oil Company Mono-diameter wellbore casing
WO2001098623A1 (en) 1998-11-16 2001-12-27 Shell Oil Company Radial expansion of tubular members
US6634431B2 (en) 1998-11-16 2003-10-21 Robert Lance Cook Isolation of subterranean zones
US7552776B2 (en) 1998-12-07 2009-06-30 Enventure Global Technology, Llc Anchor hangers
US6758278B2 (en) 1998-12-07 2004-07-06 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US7363984B2 (en) 1998-12-07 2008-04-29 Enventure Global Technology, Llc System for radially expanding a tubular member
US7195064B2 (en) 1998-12-07 2007-03-27 Enventure Global Technology Mono-diameter wellbore casing
US7185710B2 (en) 1998-12-07 2007-03-06 Enventure Global Technology Mono-diameter wellbore casing
GB2344606B (en) 1998-12-07 2003-08-13 Shell Int Research Forming a wellbore casing by expansion of a tubular member
AU3792000A (en) * 1998-12-07 2000-12-21 Shell Internationale Research Maatschappij B.V. Lubrication and self-cleaning system for expansion mandrel
US7188687B2 (en) 1998-12-22 2007-03-13 Weatherford/Lamb, Inc. Downhole filter
EP1147287B1 (en) 1998-12-22 2005-08-17 Weatherford/Lamb, Inc. Procedures and equipment for profiling and jointing of pipes
GB2345074A (en) 1998-12-24 2000-06-28 Weatherford Lamb Floating joint to facilitate the connection of tubulars using a top drive
GB2347441B (en) 1998-12-24 2003-03-05 Weatherford Lamb Apparatus and method for facilitating the connection of tubulars using a top drive
US6857487B2 (en) 2002-12-30 2005-02-22 Weatherford/Lamb, Inc. Drilling with concentric strings of casing
US6896075B2 (en) 2002-10-11 2005-05-24 Weatherford/Lamb, Inc. Apparatus and methods for drilling with casing
US7311148B2 (en) 1999-02-25 2007-12-25 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
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
CA2306656C (en) 1999-04-26 2006-06-06 Shell Internationale Research Maatschappij B.V. Expandable connector for borehole tubes
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
EG22306A (en) 1999-11-15 2002-12-31 Shell Int Research Expanding a tubular element in a wellbore
US7234531B2 (en) 1999-12-03 2007-06-26 Enventure Global Technology, Llc Mono-diameter wellbore casing
US7516790B2 (en) 1999-12-03 2009-04-14 Enventure Global Technology, Llc Mono-diameter wellbore casing
AU776634B2 (en) 1999-12-22 2004-09-16 Weatherford Technology Holdings, Llc Drilling bit for drilling while running casing
US7334650B2 (en) 2000-04-13 2008-02-26 Weatherford/Lamb, Inc. Apparatus and methods for drilling a wellbore using casing
US7325610B2 (en) 2000-04-17 2008-02-05 Weatherford/Lamb, Inc. Methods and apparatus for handling and drilling with tubulars or casing
GB0010378D0 (en) 2000-04-28 2000-06-14 Bbl Downhole Tools Ltd Expandable apparatus for drift and reaming a borehole
US7100684B2 (en) 2000-07-28 2006-09-05 Enventure Global Technology Liner hanger with standoffs
GB2365463B (en) 2000-08-01 2005-02-16 Renovus Ltd Drilling method
AU2001292695B2 (en) 2000-09-18 2006-07-06 Shell Internationale Research Maatschappij B.V. Liner hanger with sliding sleeve valve
US7100685B2 (en) 2000-10-02 2006-09-05 Enventure Global Technology Mono-diameter wellbore casing
AU2001294802B2 (en) 2000-10-02 2005-12-01 Shell Internationale Research Maatschappij B.V. Method and apparatus for casing expansion
WO2002029207A1 (en) * 2000-10-06 2002-04-11 Philippe Nobileau Method and system for tubing a borehole in single diameter
US7410000B2 (en) 2001-01-17 2008-08-12 Enventure Global Technology, Llc. Mono-diameter wellbore casing
GB0108638D0 (en) * 2001-04-06 2001-05-30 Weatherford Lamb Tubing expansion
US7350585B2 (en) 2001-04-06 2008-04-01 Weatherford/Lamb, Inc. Hydraulically assisted tubing expansion
AU2002345912A1 (en) * 2001-07-06 2003-01-21 Enventure Global Technology Liner hanger
CA2453034C (en) 2001-07-06 2010-09-14 Enventure Global Technology 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
WO2004081346A2 (en) 2003-03-11 2004-09-23 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
WO2003023178A2 (en) 2001-09-07 2003-03-20 Enventure Global Technology Adjustable expansion cone assembly
WO2003029603A1 (en) * 2001-09-24 2003-04-10 Shell Internationale Research Maatschappij B.V. Wellbore system for simultaneous drilling and production
GB2404402B (en) * 2001-10-18 2006-04-05 Enventure Global Technology Isolation of subterranean zones
GB2421257B (en) 2001-11-12 2006-08-16 Enventure Global Technology Mono diameter wellbore casing
GB2398318B (en) * 2001-12-10 2005-10-12 Shell Int Research Isolation of subterranean zones
GB2401893B (en) 2001-12-27 2005-07-13 Enventure Global Technology Seal receptacle using expandable liner hanger
WO2004027786A2 (en) 2002-09-20 2004-04-01 Enventure Global Technology Protective sleeve for expandable tubulars
US7424918B2 (en) 2002-08-23 2008-09-16 Enventure Global Technology, L.L.C. Interposed joint sealing layer method of forming a wellbore casing
US6681862B2 (en) 2002-01-30 2004-01-27 Halliburton Energy Services, Inc. System and method for reducing the pressure drop in fluids produced through production tubing
GB0206227D0 (en) * 2002-03-16 2002-05-01 Weatherford Lamb Bore-lining and drilling
US6854521B2 (en) 2002-03-19 2005-02-15 Halliburton Energy Services, Inc. System and method for creating a fluid seal between production tubing and well casing
EP1985797B1 (en) 2002-04-12 2011-10-26 Enventure Global Technology Protective sleeve for threated connections for expandable liner hanger
EP1501645A4 (en) 2002-04-15 2006-04-26 Enventure Global Technology Protective sleeve for threaded connections for expandable liner hanger
WO2003102365A1 (en) 2002-05-29 2003-12-11 Eventure Global Technology System for radially expanding a tubular member
GB2418943B (en) 2002-06-10 2006-09-06 Enventure Global Technology Mono Diameter Wellbore Casing
US6994176B2 (en) 2002-07-29 2006-02-07 Weatherford/Lamb, Inc. Adjustable rotating guides for spider or elevator
AU2003258274A1 (en) 2002-08-23 2004-03-11 Enventure Global Technology Magnetic impulse applied sleeve method of forming a wellbore casing
US6899186B2 (en) 2002-12-13 2005-05-31 Weatherford/Lamb, Inc. Apparatus and method of drilling with casing
US9366086B2 (en) 2002-08-30 2016-06-14 Technology Ventures International Limited Method of forming a bore
US9347272B2 (en) 2002-08-30 2016-05-24 Technology Ventures International Limited Method and assembly for forming a supported bore using a first and second drill bit
US7730965B2 (en) 2002-12-13 2010-06-08 Weatherford/Lamb, Inc. Retractable joint and cementing shoe for use in completing a wellbore
GB2382361B (en) * 2002-08-30 2004-02-25 Technology Ventures Internat L A method of forming a bore
AU2003270774A1 (en) 2002-09-20 2004-04-08 Enventure Global Technlogy Bottom plug for forming a mono diameter wellbore casing
WO2004027392A1 (en) 2002-09-20 2004-04-01 Enventure Global Technology Pipe formability evaluation for expandable tubulars
CA2499071C (en) 2002-09-20 2014-06-03 Enventure Global Technology Self-lubricating expansion mandrel for expandable tubular
US7303022B2 (en) 2002-10-11 2007-12-04 Weatherford/Lamb, Inc. Wired casing
WO2004092530A2 (en) * 2003-04-14 2004-10-28 Enventure Global Technology Radially expanding casing and driling a wellbore
US6953096B2 (en) 2002-12-31 2005-10-11 Weatherford/Lamb, Inc. Expandable bit with secondary release device
US7886831B2 (en) 2003-01-22 2011-02-15 Enventure Global Technology, L.L.C. Apparatus for radially expanding and plastically deforming a tubular member
GB2433281B (en) 2003-01-27 2007-08-01 Enventure Global Technology Lubrication system for radially expanding tubular members
US7128154B2 (en) 2003-01-30 2006-10-31 Weatherford/Lamb, Inc. Single-direction cementing plug
USRE42877E1 (en) 2003-02-07 2011-11-01 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
GB2415983B (en) 2003-02-26 2007-09-05 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
CA2516649C (en) 2003-02-27 2010-01-19 Weatherford/Lamb, Inc. Drill shoe
CA2517883C (en) * 2003-03-05 2010-01-12 Weatherford/Lamb, Inc. Full bore lined wellbores
GB2436484B (en) * 2003-03-05 2007-11-07 Weatherford Lamb Full bore lined wellbores
GB2415722B (en) 2003-03-05 2007-12-05 Weatherford Lamb Casing running and drilling system
US7360594B2 (en) 2003-03-05 2008-04-22 Weatherford/Lamb, Inc. Drilling with casing latch
US7370707B2 (en) 2003-04-04 2008-05-13 Weatherford/Lamb, Inc. Method and apparatus for handling wellbore tubulars
CA2523862C (en) 2003-04-17 2009-06-23 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
US20050166387A1 (en) 2003-06-13 2005-08-04 Cook Robert L. Method and apparatus for forming a mono-diameter wellbore casing
US7650944B1 (en) 2003-07-11 2010-01-26 Weatherford/Lamb, Inc. Vessel for well intervention
US7712522B2 (en) 2003-09-05 2010-05-11 Enventure Global Technology, Llc Expansion cone and system
US7264067B2 (en) 2003-10-03 2007-09-04 Weatherford/Lamb, Inc. Method of drilling and completing multiple wellbores inside a single caisson
US7284617B2 (en) 2004-05-20 2007-10-23 Weatherford/Lamb, Inc. Casing running head
CA2514136C (en) 2004-07-30 2011-09-13 Weatherford/Lamb, Inc. Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly
WO2006020960A2 (en) 2004-08-13 2006-02-23 Enventure Global Technology, Llc Expandable tubular
CA2538196C (en) 2005-02-28 2011-10-11 Weatherford/Lamb, Inc. Deep water drilling with casing
WO2007134255A2 (en) 2006-05-12 2007-11-22 Weatherford/Lamb, Inc. Stage cementing methods used in casing while drilling
US8276689B2 (en) 2006-05-22 2012-10-02 Weatherford/Lamb, Inc. Methods and apparatus for drilling with casing
BR112019000077B1 (en) 2016-07-05 2023-04-18 Shell Internationale Research Maatschappij B.V SYSTEM AND METHOD FOR DRILLING A PORTION OF A WELL HOLE IN AN UNDERGROUND FORMATION

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY116920A (en) * 1996-07-01 2004-04-30 Shell Int Research Expansion of tubings
US6085838A (en) * 1997-05-27 2000-07-11 Schlumberger Technology Corporation Method and apparatus for cementing a well
MY122241A (en) * 1997-08-01 2006-04-29 Shell Int Research Creating zonal isolation between the interior and exterior of a well system
GB2344606B (en) * 1998-12-07 2003-08-13 Shell Int Research Forming a wellbore casing by expansion of a tubular member
EP1147287B1 (en) * 1998-12-22 2005-08-17 Weatherford/Lamb, Inc. Procedures and equipment for profiling and jointing of pipes
CA2306656C (en) * 1999-04-26 2006-06-06 Shell Internationale Research Maatschappij B.V. Expandable connector for borehole tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116136151A (en) * 2023-04-18 2023-05-19 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) Underground water manual observation channel drilling equipment

Also Published As

Publication number Publication date
NO20001281L (en) 2000-09-12
NO20045194L (en) 2000-09-12
CA2300363A1 (en) 2000-09-11
NO20001281D0 (en) 2000-03-10
GB2348223B (en) 2003-09-24
GB2348223A (en) 2000-09-27
NO328541B1 (en) 2010-03-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100306