NO328065B1 - Tredimensjonalt styringssapparat og fremgangsmate for styring av retningen av en borkrone - Google Patents
Tredimensjonalt styringssapparat og fremgangsmate for styring av retningen av en borkrone Download PDFInfo
- Publication number
- NO328065B1 NO328065B1 NO20022944A NO20022944A NO328065B1 NO 328065 B1 NO328065 B1 NO 328065B1 NO 20022944 A NO20022944 A NO 20022944A NO 20022944 A NO20022944 A NO 20022944A NO 328065 B1 NO328065 B1 NO 328065B1
- Authority
- NO
- Norway
- Prior art keywords
- drill bit
- axis
- drilling
- angle
- shaft
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 32
- 238000005553 drilling Methods 0.000 claims description 127
- 230000008859 change Effects 0.000 claims description 54
- 230000033001 locomotion Effects 0.000 claims description 31
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
- E21B17/206—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables with conductors, e.g. electrical, optical
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
- E21B19/06—Elevators, i.e. rod- or tube-gripping devices
- E21B19/07—Slip-type elevators
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
-
- 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
- E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a 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
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/006—Mechanical motion converting means, e.g. reduction gearings
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/04—Electric drives
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/18—Anchoring or feeding 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- 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
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/067—Deflecting the direction of boreholes with means for locking sections of a pipe or of a guide for a shaft in angular relation, e.g. adjustable bent sub
-
- 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
- E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/30—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electromagnetic waves
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/028—Electrical or electro-magnetic connections
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Geophysics (AREA)
- Electromagnetism (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Earth Drilling (AREA)
- Automatic Control Of Machine Tools (AREA)
- Drilling And Boring (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/467,588 US6607044B1 (en) | 1997-10-27 | 1999-12-20 | Three dimensional steerable system and method for steering bit to drill borehole |
PCT/US2000/033929 WO2001046549A1 (en) | 1999-12-20 | 2000-12-14 | Three dimensional steerable system |
Publications (3)
Publication Number | Publication Date |
---|---|
NO20022944D0 NO20022944D0 (no) | 2002-06-19 |
NO20022944L NO20022944L (no) | 2002-08-20 |
NO328065B1 true NO328065B1 (no) | 2009-11-16 |
Family
ID=23856307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20022944A NO328065B1 (no) | 1999-12-20 | 2002-06-19 | Tredimensjonalt styringssapparat og fremgangsmate for styring av retningen av en borkrone |
Country Status (11)
Country | Link |
---|---|
US (4) | US6607044B1 (de) |
EP (5) | EP2175100A1 (de) |
JP (1) | JP3730570B2 (de) |
CN (1) | CN1312377C (de) |
AU (1) | AU777543B2 (de) |
BR (1) | BR0016525B1 (de) |
CA (1) | CA2394950C (de) |
DE (2) | DE60043793D1 (de) |
MX (1) | MXPA02006123A (de) |
NO (1) | NO328065B1 (de) |
WO (1) | WO2001046549A1 (de) |
Families Citing this family (144)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6607044B1 (en) * | 1997-10-27 | 2003-08-19 | Halliburton Energy Services, Inc. | Three dimensional steerable system and method for steering bit to drill borehole |
GB9810321D0 (en) * | 1998-05-15 | 1998-07-15 | Head Philip | Method of downhole drilling and apparatus therefore |
US7165609B2 (en) * | 2000-03-22 | 2007-01-23 | Noetic Engineering Inc. | Apparatus for handling tubular goods |
GB0106368D0 (en) * | 2001-03-15 | 2001-05-02 | Xl Technology Ltd | Method and apparatus for directional actuation |
CA2345560C (en) * | 2000-11-03 | 2010-04-06 | Canadian Downhole Drill Systems Inc. | Rotary steerable drilling tool |
WO2003025329A1 (en) * | 2001-09-21 | 2003-03-27 | Flexidrill Limited | Directional drilling mechanical motor |
US20030127252A1 (en) * | 2001-12-19 | 2003-07-10 | Geoff Downton | Motor Driven Hybrid Rotary Steerable System |
US6774628B2 (en) | 2002-01-18 | 2004-08-10 | Schlumberger Technology Corporation | Nuclear magnetic resonance imaging using phase encoding with non-linear gradient fields |
WO2003096075A1 (en) * | 2002-05-13 | 2003-11-20 | Camco International (Uk) Limited | Recalibration of downhole sensors |
AU2003241616A1 (en) * | 2002-05-24 | 2003-12-12 | Baker Hughes Incorporated | A method and apparatus for high speed communication with a downhole tool |
US7114582B2 (en) * | 2002-10-04 | 2006-10-03 | Halliburton Energy Services, Inc. | Method and apparatus for removing cuttings from a deviated wellbore |
US6880634B2 (en) * | 2002-12-03 | 2005-04-19 | Halliburton Energy Services, Inc. | Coiled tubing acoustic telemetry system and method |
US6997272B2 (en) * | 2003-04-02 | 2006-02-14 | Halliburton Energy Services, Inc. | Method and apparatus for increasing drilling capacity and removing cuttings when drilling with coiled tubing |
KR100950401B1 (ko) * | 2003-04-11 | 2010-03-29 | 주식회사 포스코 | 래들 유압공급라인의 과압 방지장치 |
DE602004020753D1 (de) * | 2003-04-25 | 2009-06-04 | Intersyn Technologies | Erfahren zur steuerung einer oder mehrerer systemkomponenten |
GB0329712D0 (en) * | 2003-12-22 | 2004-01-28 | Bp Exploration Operating | Process |
US7708086B2 (en) * | 2004-11-19 | 2010-05-04 | Baker Hughes Incorporated | Modular drilling apparatus with power and/or data transmission |
US7549849B2 (en) * | 2005-02-23 | 2009-06-23 | Schlumberger Technology Corporation | Tandem motors |
US7518528B2 (en) * | 2005-02-28 | 2009-04-14 | Scientific Drilling International, Inc. | Electric field communication for short range data transmission in a borehole |
PL1877644T3 (pl) * | 2005-05-03 | 2017-08-31 | Noetic Technologies Inc. | Narzędzie chwytne |
US7481282B2 (en) * | 2005-05-13 | 2009-01-27 | Weatherford/Lamb, Inc. | Flow operated orienter |
US20060256718A1 (en) * | 2005-05-16 | 2006-11-16 | Hall David R | Apparatus for Regulating Bandwidth |
US7383897B2 (en) * | 2005-06-17 | 2008-06-10 | Pathfinder Energy Services, Inc. | Downhole steering tool having a non-rotating bendable section |
US7804302B2 (en) * | 2005-08-10 | 2010-09-28 | Baker Hughes Incorporated | Method and apparatus for enhancing formation resistivity images obtained with downhole galvanic tools |
US7639016B2 (en) * | 2005-08-10 | 2009-12-29 | Baker Hughes Incorporated | Downhole multi-phase flow imager |
US20070227780A1 (en) * | 2006-03-31 | 2007-10-04 | Macpherson Calum Robert | Drill string system for performing measurement while drilling and logging while drilling operations |
US7537061B2 (en) * | 2006-06-13 | 2009-05-26 | Precision Energy Services, Inc. | System and method for releasing and retrieving memory tool with wireline in well pipe |
US20080034856A1 (en) * | 2006-08-08 | 2008-02-14 | Scientific Drilling International | Reduced-length measure while drilling apparatus using electric field short range data transmission |
US7779934B1 (en) * | 2007-04-25 | 2010-08-24 | W B Driver | Flexible/rigid drilling assembly |
US20080314641A1 (en) * | 2007-06-20 | 2008-12-25 | Mcclard Kevin | Directional Drilling System and Software Method |
GB2450498A (en) * | 2007-06-26 | 2008-12-31 | Schlumberger Holdings | Battery powered rotary steerable drilling system |
GB2454880B (en) * | 2007-11-21 | 2012-02-15 | Schlumberger Holdings | Drilling system |
GB2455734B (en) | 2007-12-19 | 2010-03-24 | Schlumberger Holdings | Steerable system |
GB0724900D0 (en) * | 2007-12-21 | 2008-01-30 | Schlumberger Holdings | Hybrid drilling system with mud motor |
GB2483825B (en) * | 2008-01-17 | 2012-06-06 | Weatherford Lamb | Flow operated orienter |
GB2458909B (en) * | 2008-04-01 | 2013-03-06 | Antech Ltd | Directional well drilling |
US8360172B2 (en) * | 2008-04-16 | 2013-01-29 | Baker Hughes Incorporated | Steering device for downhole tools |
AU2009270397B2 (en) * | 2008-07-18 | 2014-07-17 | Noetic Technologies Inc. | Grip extension linkage to provide gripping tool with improved operational range, and method of use of the same |
ES2636593T3 (es) * | 2008-07-18 | 2017-10-06 | Noetic Technologies Inc. | Extensión axial de triple leva para proporcionar una herramienta de aprehensión con un rango y capacidad operativos mejorados |
US7909117B2 (en) * | 2008-08-06 | 2011-03-22 | Scientific Drilling International Inc. | Downhole adjustable bent-angle mechanism for use with a motor for directional drilling |
EP2341211A1 (de) | 2009-12-30 | 2011-07-06 | Welltec A/S | Bohrlochleitwerkzeug |
CA3013290C (en) * | 2010-04-12 | 2020-07-28 | David Alston Edbury | Methods and systems for drilling |
US8393828B1 (en) | 2010-05-20 | 2013-03-12 | American Augers, Inc. | Boring machine steering system with force multiplier |
US8210774B1 (en) | 2010-05-20 | 2012-07-03 | Astec Industries, Inc. | Guided boring machine and method |
US8113741B1 (en) | 2010-05-20 | 2012-02-14 | Astec Industries, Inc. | Boring machine with conveyor system for cuttings and method for boring therewith |
US9366085B2 (en) | 2010-06-29 | 2016-06-14 | Scientific Drilling International, Inc. | Apparatus for directional drilling |
US9062503B2 (en) * | 2010-07-21 | 2015-06-23 | Baker Hughes Incorporated | Rotary coil tubing drilling and completion technology |
US9251982B2 (en) * | 2010-08-03 | 2016-02-02 | Halliburton Energy Services, Inc. | Safety switch for well operations |
CN102575507B (zh) * | 2010-08-09 | 2016-03-16 | 哈里伯顿能源服务公司 | 膨胀装置 |
WO2012039700A1 (en) * | 2010-09-21 | 2012-03-29 | Todd Benson | High torque, flexible, dual, constant velocity, ball joint assembly for mud motor used in directional well drilling |
CA2769141C (en) | 2011-03-08 | 2016-07-12 | Drilformance Technologies, Llc | Drilling apparatus |
WO2012134461A1 (en) * | 2011-03-30 | 2012-10-04 | Halliburton Energy Services, Inc. | Apparatus and method for rotary steering |
BR112013028597A2 (pt) * | 2011-05-06 | 2017-12-12 | Prad Res & Development Ltd | ferramenta configurada para engate de um perfil de dispositivo de fundo de poço em um poço, conjunto para posicionamento em um campo petrolífero para deslocamento de um dispositivo de fundo de poço em um poço, e método para engatar um elemento deslocável de um dispositivo de fundo de poço em um poço |
AU2011368381B2 (en) * | 2011-05-13 | 2016-04-14 | Halliburton Energy Services, Inc. | Apparatus and method for drilling a well |
US9038750B2 (en) * | 2011-06-08 | 2015-05-26 | Gas Technology Institute | Rotary joint for subterranean drilling |
WO2012177781A2 (en) | 2011-06-20 | 2012-12-27 | David L. Abney, Inc. | Adjustable bent drilling tool having in situ drilling direction change capability |
US8701795B2 (en) * | 2011-06-29 | 2014-04-22 | Schlumberger Technology Corporation | Adjustable rotary steerable system |
CA2745022C (en) * | 2011-06-30 | 2015-09-22 | Ken Wenzel | Bearing assembly |
GB201112104D0 (en) * | 2011-07-14 | 2011-08-31 | Tercel Ip Ltd | An improved directional drilling tool |
US10309205B2 (en) * | 2011-08-05 | 2019-06-04 | Coiled Tubing Specialties, Llc | Method of forming lateral boreholes from a parent wellbore |
CN102337844B (zh) * | 2011-09-15 | 2014-03-19 | 中煤科工集团重庆研究院 | 定向钻进信号传输钻杆 |
US8875807B2 (en) * | 2011-09-30 | 2014-11-04 | Elwha Llc | Optical power for self-propelled mineral mole |
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US6328119B1 (en) | 1998-04-09 | 2001-12-11 | Halliburton Energy Services, Inc. | Adjustable gauge downhole drilling assembly |
US6267185B1 (en) * | 1999-08-03 | 2001-07-31 | Schlumberger Technology Corporation | Apparatus and method for communication with downhole equipment using drill string rotation and gyroscopic sensors |
US6216802B1 (en) * | 1999-10-18 | 2001-04-17 | Donald M. Sawyer | Gravity oriented directional drilling apparatus and method |
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1999
- 1999-12-20 US US09/467,588 patent/US6607044B1/en not_active Expired - Lifetime
-
2000
- 2000-12-14 CN CNB00817458XA patent/CN1312377C/zh not_active Expired - Fee Related
- 2000-12-14 EP EP09178856A patent/EP2175100A1/de not_active Withdrawn
- 2000-12-14 WO PCT/US2000/033929 patent/WO2001046549A1/en active IP Right Grant
- 2000-12-14 CA CA002394950A patent/CA2394950C/en not_active Expired - Fee Related
- 2000-12-14 DE DE60043793T patent/DE60043793D1/de not_active Expired - Lifetime
- 2000-12-14 EP EP00986389A patent/EP1246993A4/de not_active Withdrawn
- 2000-12-14 BR BRPI0016525-5A patent/BR0016525B1/pt not_active IP Right Cessation
- 2000-12-14 MX MXPA02006123A patent/MXPA02006123A/es active IP Right Grant
- 2000-12-14 EP EP07121620A patent/EP1903178B1/de not_active Expired - Lifetime
- 2000-12-14 DE DE60037285T patent/DE60037285T2/de not_active Expired - Fee Related
- 2000-12-14 AU AU22637/01A patent/AU777543B2/en not_active Ceased
- 2000-12-14 EP EP09178857A patent/EP2177710A1/de not_active Withdrawn
- 2000-12-14 JP JP2001547430A patent/JP3730570B2/ja not_active Expired - Fee Related
- 2000-12-14 EP EP05075637A patent/EP1550788B1/de not_active Expired - Lifetime
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2001
- 2001-03-28 US US09/820,163 patent/US6598687B2/en not_active Expired - Lifetime
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2002
- 2002-06-19 NO NO20022944A patent/NO328065B1/no not_active IP Right Cessation
- 2002-11-19 US US10/299,403 patent/US6843332B2/en not_active Expired - Lifetime
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2004
- 2004-11-18 US US10/992,284 patent/US7195083B2/en not_active Expired - Lifetime
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