NO318932B1 - Anordning og fremgangsmate for a fore et loggeinstrument gjennom et avviks- eller horisontalt borehull i en grunnformasjon - Google Patents
Anordning og fremgangsmate for a fore et loggeinstrument gjennom et avviks- eller horisontalt borehull i en grunnformasjon Download PDFInfo
- Publication number
- NO318932B1 NO318932B1 NO19984087A NO984087A NO318932B1 NO 318932 B1 NO318932 B1 NO 318932B1 NO 19984087 A NO19984087 A NO 19984087A NO 984087 A NO984087 A NO 984087A NO 318932 B1 NO318932 B1 NO 318932B1
- Authority
- NO
- Norway
- Prior art keywords
- cam
- borehole wall
- actuator
- borehole
- activating
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 12
- 230000015572 biosynthetic process Effects 0.000 title claims description 8
- 238000003780 insertion Methods 0.000 claims description 27
- 230000037431 insertion Effects 0.000 claims description 27
- 230000003213 activating effect Effects 0.000 claims 8
- 230000004913 activation Effects 0.000 claims 2
- 238000005755 formation reaction Methods 0.000 description 5
- 210000001520 comb Anatomy 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
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
- 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
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/924,672 US5954131A (en) | 1997-09-05 | 1997-09-05 | Method and apparatus for conveying a logging tool through an earth formation |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO984087D0 NO984087D0 (no) | 1998-09-04 |
| NO984087L NO984087L (no) | 1999-03-08 |
| NO318932B1 true NO318932B1 (no) | 2005-05-23 |
Family
ID=25450525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19984087A NO318932B1 (no) | 1997-09-05 | 1998-09-04 | Anordning og fremgangsmate for a fore et loggeinstrument gjennom et avviks- eller horisontalt borehull i en grunnformasjon |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5954131A (de) |
| EP (1) | EP0900914B1 (de) |
| CN (1) | CN1210934A (de) |
| AU (1) | AU730192B2 (de) |
| CA (1) | CA2245098C (de) |
| CO (1) | CO4840539A1 (de) |
| DE (1) | DE69815609D1 (de) |
| DK (1) | DK0900914T3 (de) |
| EG (1) | EG21500A (de) |
| ID (1) | ID22104A (de) |
| NO (1) | NO318932B1 (de) |
| SA (1) | SA98190471B1 (de) |
Families Citing this family (83)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| US7036610B1 (en) | 1994-10-14 | 2006-05-02 | Weatherford / Lamb, Inc. | Apparatus and method for completing oil and gas wells |
| US6868906B1 (en) | 1994-10-14 | 2005-03-22 | Weatherford/Lamb, Inc. | Closed-loop conveyance systems for well servicing |
| 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 |
| 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 |
| BR9610373A (pt) | 1995-08-22 | 1999-12-21 | Western Well Toll Inc | Ferramenta de furo de tração-empuxo |
| US5794703A (en) * | 1996-07-03 | 1998-08-18 | Ctes, L.C. | Wellbore tractor and method of moving an item through a wellbore |
| 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 |
| US6742596B2 (en) | 2001-05-17 | 2004-06-01 | Weatherford/Lamb, Inc. | Apparatus and methods for tubular makeup interlock |
| US7140445B2 (en) | 1997-09-02 | 2006-11-28 | Weatherford/Lamb, Inc. | Method and apparatus for drilling with casing |
| US6179055B1 (en) * | 1997-09-05 | 2001-01-30 | Schlumberger Technology Corporation | Conveying a tool along a non-vertical well |
| GB9815809D0 (en) | 1998-07-22 | 1998-09-16 | Appleton Robert P | Casing running tool |
| GB2340857A (en) | 1998-08-24 | 2000-03-01 | Weatherford Lamb | An apparatus for facilitating the connection of tubulars and alignment with a top drive |
| GB2340859A (en) | 1998-08-24 | 2000-03-01 | Weatherford Lamb | Method and apparatus for facilitating the connection of tubulars using 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 |
| US6347674B1 (en) * | 1998-12-18 | 2002-02-19 | Western Well Tool, Inc. | Electrically sequenced tractor |
| US7188687B2 (en) | 1998-12-22 | 2007-03-13 | Weatherford/Lamb, Inc. | Downhole filter |
| WO2000037766A2 (en) | 1998-12-22 | 2000-06-29 | 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 |
| US6896075B2 (en) | 2002-10-11 | 2005-05-24 | Weatherford/Lamb, Inc. | Apparatus and methods for drilling with casing |
| US6854533B2 (en) | 2002-12-20 | 2005-02-15 | Weatherford/Lamb, Inc. | Apparatus and method for drilling with casing |
| US7311148B2 (en) | 1999-02-25 | 2007-12-25 | Weatherford/Lamb, Inc. | Methods and apparatus for wellbore construction and completion |
| US6857487B2 (en) | 2002-12-30 | 2005-02-22 | Weatherford/Lamb, Inc. | Drilling with concentric strings of casing |
| US6651747B2 (en) | 1999-07-07 | 2003-11-25 | Schlumberger Technology Corporation | Downhole anchoring tools conveyed by non-rigid carriers |
| US7216727B2 (en) | 1999-12-22 | 2007-05-15 | Weatherford/Lamb, Inc. | Drilling bit for drilling while running casing |
| US6464003B2 (en) | 2000-05-18 | 2002-10-15 | Western Well Tool, Inc. | Gripper assembly for downhole tractors |
| 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 |
| GB2365463B (en) | 2000-08-01 | 2005-02-16 | Renovus Ltd | Drilling method |
| US6926087B1 (en) | 2000-10-02 | 2005-08-09 | Owen Oil Tools Lp | Electro-mechanical wireline anchoring system and method |
| GB0028619D0 (en) * | 2000-11-24 | 2001-01-10 | Weatherford Lamb | Traction apparatus |
| US8245796B2 (en) | 2000-12-01 | 2012-08-21 | Wwt International, Inc. | Tractor with improved valve system |
| US6629568B2 (en) | 2001-08-03 | 2003-10-07 | Schlumberger Technology Corporation | Bi-directional grip mechanism for a wide range of bore sizes |
| US6655458B2 (en) | 2001-11-06 | 2003-12-02 | Schlumberger Technology Corporation | Formation testing instrument having extensible housing |
| GB0206246D0 (en) * | 2002-03-15 | 2002-05-01 | Weatherford Lamb | Tractors for movement along a pipepline within a fluid flow |
| US6899186B2 (en) | 2002-12-13 | 2005-05-31 | Weatherford/Lamb, Inc. | Apparatus and method of drilling with casing |
| US7730965B2 (en) | 2002-12-13 | 2010-06-08 | Weatherford/Lamb, Inc. | Retractable joint and cementing shoe for use in completing a wellbore |
| US7303022B2 (en) | 2002-10-11 | 2007-12-04 | Weatherford/Lamb, Inc. | Wired casing |
| 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 |
| US20060054354A1 (en) * | 2003-02-11 | 2006-03-16 | Jacques Orban | Downhole tool |
| US7132144B2 (en) * | 2003-02-28 | 2006-11-07 | Velcro Industries B.V. | Fastener tapes |
| CA2517883C (en) | 2003-03-05 | 2010-01-12 | Weatherford/Lamb, Inc. | Full bore lined wellbores |
| US7503397B2 (en) | 2004-07-30 | 2009-03-17 | Weatherford/Lamb, Inc. | Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly |
| US7360594B2 (en) | 2003-03-05 | 2008-04-22 | Weatherford/Lamb, Inc. | Drilling with casing latch |
| CA2517895C (en) | 2003-03-05 | 2009-12-01 | Weatherford/Lamb, Inc. | Casing running and drilling system |
| WO2004090279A1 (en) | 2003-04-04 | 2004-10-21 | Weatherford/Lamb, Inc. | Method and apparatus for handling wellbore tubulars |
| CA2465926C (en) * | 2003-04-30 | 2009-08-25 | Weatherford/Lamb, Inc. | A traction apparatus |
| GB2403236B (en) | 2003-06-23 | 2007-03-07 | Schlumberger Holdings | Drilling tool |
| US7650944B1 (en) | 2003-07-11 | 2010-01-26 | Weatherford/Lamb, Inc. | Vessel for well intervention |
| US7156192B2 (en) * | 2003-07-16 | 2007-01-02 | Schlumberger Technology Corp. | Open hole tractor with tracks |
| US7264067B2 (en) | 2003-10-03 | 2007-09-04 | Weatherford/Lamb, Inc. | Method of drilling and completing multiple wellbores inside a single caisson |
| US7392859B2 (en) | 2004-03-17 | 2008-07-01 | Western Well Tool, Inc. | Roller link toggle gripper and downhole tractor |
| US7284617B2 (en) * | 2004-05-20 | 2007-10-23 | Weatherford/Lamb, Inc. | Casing running head |
| US7334642B2 (en) | 2004-07-15 | 2008-02-26 | Schlumberger Technology Corporation | Constant force actuator |
| GB2424432B (en) | 2005-02-28 | 2010-03-17 | Weatherford Lamb | Deep water drilling with casing |
| DE602005018367D1 (de) | 2005-08-08 | 2010-01-28 | Schlumberger Technology Bv | Bohrsystem |
| US7624808B2 (en) | 2006-03-13 | 2009-12-01 | Western Well Tool, Inc. | Expandable ramp gripper |
| US7857052B2 (en) | 2006-05-12 | 2010-12-28 | 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 |
| US20080053663A1 (en) * | 2006-08-24 | 2008-03-06 | Western Well Tool, Inc. | Downhole tool with turbine-powered motor |
| US20080217024A1 (en) * | 2006-08-24 | 2008-09-11 | Western Well Tool, Inc. | Downhole tool with closed loop power systems |
| US7748476B2 (en) | 2006-11-14 | 2010-07-06 | Wwt International, Inc. | Variable linkage assisted gripper |
| RU2378487C2 (ru) * | 2007-02-22 | 2010-01-10 | Общество с ограниченной ответственностью "Кубаньгазпром" | Устройство для доставки приборов в горизонтальную скважину |
| US7770667B2 (en) | 2007-06-14 | 2010-08-10 | Wwt International, Inc. | Electrically powered tractor |
| US8286716B2 (en) * | 2007-09-19 | 2012-10-16 | Schlumberger Technology Corporation | Low stress traction system |
| GB2454697B (en) | 2007-11-15 | 2011-11-30 | Schlumberger Holdings | Anchoring systems for drilling tools |
| CA2741682C (en) * | 2008-10-31 | 2016-06-14 | Schlumberger Canada Limited | Intelligent controlled well lateral coring |
| US8485278B2 (en) | 2009-09-29 | 2013-07-16 | Wwt International, Inc. | Methods and apparatuses for inhibiting rotational misalignment of assemblies in expandable well tools |
| US10260299B2 (en) * | 2011-08-05 | 2019-04-16 | Coiled Tubing Specialties, Llc | Internal tractor system for downhole tubular body |
| US9447648B2 (en) | 2011-10-28 | 2016-09-20 | Wwt North America Holdings, Inc | High expansion or dual link gripper |
| CN103114839B (zh) * | 2011-11-16 | 2015-07-08 | 长江大学 | 一种水平井井下单向传动式牵引器 |
| US9488020B2 (en) | 2014-01-27 | 2016-11-08 | Wwt North America Holdings, Inc. | Eccentric linkage gripper |
| GB2533018B (en) * | 2015-08-19 | 2016-10-19 | Global Tech And Innovation Ltd | An expander assembly |
| US10927625B2 (en) | 2018-05-10 | 2021-02-23 | Colorado School Of Mines | Downhole tractor for use in a wellbore |
| GB201917970D0 (en) | 2019-12-09 | 2020-01-22 | Innovative Drilling Systems Ltd | Downhole traction tool and method of use |
| US11408229B1 (en) | 2020-03-27 | 2022-08-09 | Coiled Tubing Specialties, Llc | Extendible whipstock, and method for increasing the bend radius of a hydraulic jetting hose downhole |
| US11624250B1 (en) | 2021-06-04 | 2023-04-11 | Coiled Tubing Specialties, Llc | Apparatus and method for running and retrieving tubing using an electro-mechanical linear actuator driven downhole tractor |
| WO2023028336A1 (en) | 2021-08-26 | 2023-03-02 | Colorado School Of Mines | System and method for harvesting geothermal energy from a subterranean formation |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2727722A (en) * | 1952-10-17 | 1955-12-20 | Robert W Conboy | Conduit caterpillar |
| US3827512A (en) * | 1973-01-22 | 1974-08-06 | Continental Oil Co | Anchoring and pressuring apparatus for a drill |
| US3888319A (en) * | 1973-11-26 | 1975-06-10 | Continental Oil Co | Control system for a drilling apparatus |
| US4095655A (en) * | 1975-10-14 | 1978-06-20 | Still William L | Earth penetration |
| US4071086A (en) * | 1976-06-22 | 1978-01-31 | Suntech, Inc. | Apparatus for pulling tools into a wellbore |
| US4031750A (en) * | 1976-09-02 | 1977-06-28 | Dresser Industries, Inc. | Apparatus for logging inclined earth boreholes |
| SE414805B (sv) * | 1976-11-05 | 1980-08-18 | Sven Halvor Johansson | Anordning vid don avsedda for uppberning resp forflyttning av en bergborrningsanordning som skall uppborra mycket langa, foretredesvis vertikala schakt i berggrunden |
| US4192380A (en) * | 1978-10-02 | 1980-03-11 | Dresser Industries, Inc. | Method and apparatus for logging inclined earth boreholes |
| FR2501777B1 (fr) * | 1981-03-13 | 1986-08-29 | Inst Francais Du Petrole | Methode et dispositif pour effectuer, a l'aide d'outils specialises, des operations telles que des mesures, dans des portions de puits fortement inclinees sur la verticale, ou horizontales |
| DE3111814A1 (de) * | 1981-03-25 | 1982-10-07 | Kraftwerk Union AG, 4330 Mülheim | Selbstfahrender rohrinnenmanipulator zum fernbedienten transportieren von pruefgeraeten und werkzeugen laengs vorgegebener vorschubbahnen, vorzugsweise fuer kernkraftanlagen |
| US4463814A (en) * | 1982-11-26 | 1984-08-07 | Advanced Drilling Corporation | Down-hole drilling apparatus |
| DE3311094A1 (de) * | 1983-03-26 | 1984-09-27 | Hans 7801 Schallstadt Barth | Vorrichtung zum transportieren von gegenstaenden bzw. zum selbstfortbewegen |
| FR2556478B1 (fr) * | 1983-12-09 | 1986-09-05 | Elf Aquitaine | Procede et dispositif de mesures geophysiques dans un puits fore |
| US4643377A (en) * | 1985-09-26 | 1987-02-17 | Tony Christianson | Mechanically expanding climbing aid |
| US5018451A (en) * | 1990-01-05 | 1991-05-28 | The United States Of America As Represented By The United States Department Of Energy | Extendable pipe crawler |
| US5184676A (en) * | 1990-02-26 | 1993-02-09 | Graham Gordon A | Self-propelled apparatus |
| DK0524183T3 (da) * | 1990-04-12 | 1996-07-29 | Htc As | Borehul og fremgangsmåde og apparat til at forme dette |
| US5121694A (en) * | 1991-04-02 | 1992-06-16 | Zollinger William T | Pipe crawler with extendable legs |
| DE19534696A1 (de) * | 1995-09-19 | 1997-03-20 | Wolfgang Dipl Phys Dr Littmann | Verfahren zum Einbringen und Fahren von Meßsonden in stark geneigten und horizontalen Bohrlöchern |
| US5794703A (en) * | 1996-07-03 | 1998-08-18 | Ctes, L.C. | Wellbore tractor and method of moving an item through a wellbore |
| GB9617115D0 (en) * | 1996-08-15 | 1996-09-25 | Astec Dev Ltd | Pipeline traction system |
-
1997
- 1997-09-05 US US08/924,672 patent/US5954131A/en not_active Expired - Lifetime
-
1998
- 1998-08-11 CO CO98045782A patent/CO4840539A1/es unknown
- 1998-08-17 DK DK98202742T patent/DK0900914T3/da active
- 1998-08-17 EP EP98202742A patent/EP0900914B1/de not_active Expired - Lifetime
- 1998-08-17 CA CA002245098A patent/CA2245098C/en not_active Expired - Lifetime
- 1998-08-17 DE DE69815609T patent/DE69815609D1/de not_active Expired - Lifetime
- 1998-08-27 AU AU81889/98A patent/AU730192B2/en not_active Expired
- 1998-08-30 SA SA98190471A patent/SA98190471B1/ar unknown
- 1998-09-01 ID IDP981186A patent/ID22104A/id unknown
- 1998-09-03 EG EG105798A patent/EG21500A/xx active
- 1998-09-04 CN CN98118896A patent/CN1210934A/zh active Pending
- 1998-09-04 NO NO19984087A patent/NO318932B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US5954131A (en) | 1999-09-21 |
| DK0900914T3 (da) | 2003-10-13 |
| EG21500A (en) | 2001-11-28 |
| AU730192B2 (en) | 2001-03-01 |
| EP0900914A3 (de) | 1999-09-01 |
| EP0900914A2 (de) | 1999-03-10 |
| CO4840539A1 (es) | 1999-09-27 |
| EP0900914B1 (de) | 2003-06-18 |
| ID22104A (id) | 1999-09-09 |
| AU8188998A (en) | 1999-03-18 |
| CN1210934A (zh) | 1999-03-17 |
| NO984087D0 (no) | 1998-09-04 |
| CA2245098A1 (en) | 1999-03-05 |
| CA2245098C (en) | 2002-06-04 |
| NO984087L (no) | 1999-03-08 |
| SA98190471B1 (ar) | 2006-06-21 |
| DE69815609D1 (de) | 2003-07-24 |
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| Date | Code | Title | Description |
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| MK1K | Patent expired |