NO338967B1 - Apparat og fremgangsmåte for regulering av formasjonstrykk - Google Patents
Apparat og fremgangsmåte for regulering av formasjonstrykk Download PDFInfo
- Publication number
- NO338967B1 NO338967B1 NO20043906A NO20043906A NO338967B1 NO 338967 B1 NO338967 B1 NO 338967B1 NO 20043906 A NO20043906 A NO 20043906A NO 20043906 A NO20043906 A NO 20043906A NO 338967 B1 NO338967 B1 NO 338967B1
- Authority
- NO
- Norway
- Prior art keywords
- pressure
- fluid
- drilling
- well
- drill string
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title claims description 76
- 238000000034 method Methods 0.000 title claims description 33
- 230000001105 regulatory effect Effects 0.000 title claims description 6
- 239000012530 fluid Substances 0.000 claims description 202
- 238000005553 drilling Methods 0.000 claims description 86
- 238000012544 monitoring process Methods 0.000 claims description 16
- 230000004044 response Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 description 69
- 239000011148 porous material Substances 0.000 description 23
- 238000009844 basic oxygen steelmaking Methods 0.000 description 9
- 239000000654 additive Substances 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 7
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- 238000004364 calculation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009545 invasion Effects 0.000 description 4
- 238000012886 linear function Methods 0.000 description 4
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
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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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Chemical Vapour Deposition (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35822602P | 2002-02-20 | 2002-02-20 | |
| PCT/US2003/005012 WO2003071091A1 (fr) | 2002-02-20 | 2003-02-19 | Appareil et procede de regulation de pression dynamique annulaire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO20043906L NO20043906L (no) | 2004-11-17 |
| NO338967B1 true NO338967B1 (no) | 2016-11-07 |
Family
ID=27757721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20043906A NO338967B1 (no) | 2002-02-20 | 2004-09-17 | Apparat og fremgangsmåte for regulering av formasjonstrykk |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP1488073B2 (fr) |
| CN (1) | CN100535380C (fr) |
| AR (1) | AR038529A1 (fr) |
| AU (1) | AU2003211155B9 (fr) |
| CA (1) | CA2477242C (fr) |
| EG (1) | EG23370A (fr) |
| MX (1) | MXPA04008063A (fr) |
| NO (1) | NO338967B1 (fr) |
| OA (1) | OA12776A (fr) |
| RU (1) | RU2301319C2 (fr) |
| WO (1) | WO2003071091A1 (fr) |
Families Citing this family (82)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1637695A1 (fr) * | 2000-09-22 | 2006-03-22 | Weatherford/Lamb, Inc. | Méthode et appareil pour la monitorisation et le contrôle à distance. |
| US7185719B2 (en) | 2002-02-20 | 2007-03-06 | Shell Oil Company | Dynamic annular pressure control apparatus and method |
| US8955619B2 (en) | 2002-05-28 | 2015-02-17 | Weatherford/Lamb, Inc. | Managed pressure drilling |
| US7836946B2 (en) | 2002-10-31 | 2010-11-23 | Weatherford/Lamb, Inc. | Rotating control head radial seal protection and leak detection systems |
| US7350597B2 (en) | 2003-08-19 | 2008-04-01 | At-Balance Americas Llc | Drilling system and method |
| US7337660B2 (en) | 2004-05-12 | 2008-03-04 | Halliburton Energy Services, Inc. | Method and system for reservoir characterization in connection with drilling operations |
| US7828081B2 (en) | 2004-09-22 | 2010-11-09 | At-Balance Americas Llc | Method of drilling a lossy formation |
| US8826988B2 (en) | 2004-11-23 | 2014-09-09 | Weatherford/Lamb, Inc. | Latch position indicator system and method |
| US7926593B2 (en) | 2004-11-23 | 2011-04-19 | Weatherford/Lamb, Inc. | Rotating control device docking station |
| US7836973B2 (en) | 2005-10-20 | 2010-11-23 | Weatherford/Lamb, Inc. | Annulus pressure control drilling systems and methods |
| AU2007205225B2 (en) * | 2006-01-05 | 2010-11-11 | Prad Research And Development Limited | Method for determining formation fluid entry into or drilling fluid loss from a borehole using a dynamic annular pressure control system |
| CA2867376C (fr) | 2006-11-07 | 2016-01-12 | Charles R. Orbell | Procede de construction d'un train de tiges de colonne montante consistant a installer une vanne et un joint d'etancheite annulaire |
| US7997345B2 (en) | 2007-10-19 | 2011-08-16 | Weatherford/Lamb, Inc. | Universal marine diverter converter |
| US8069921B2 (en) * | 2007-10-19 | 2011-12-06 | Baker Hughes Incorporated | Adjustable flow control devices for use in hydrocarbon production |
| US8286734B2 (en) | 2007-10-23 | 2012-10-16 | Weatherford/Lamb, Inc. | Low profile rotating control device |
| US8844652B2 (en) | 2007-10-23 | 2014-09-30 | Weatherford/Lamb, Inc. | Interlocking low profile rotating control device |
| US8281875B2 (en) | 2008-12-19 | 2012-10-09 | Halliburton Energy Services, Inc. | Pressure and flow control in drilling operations |
| US9359853B2 (en) | 2009-01-15 | 2016-06-07 | Weatherford Technology Holdings, Llc | Acoustically controlled subsea latching and sealing system and method for an oilfield device |
| US8322432B2 (en) | 2009-01-15 | 2012-12-04 | Weatherford/Lamb, Inc. | Subsea internal riser rotating control device system and method |
| US9567843B2 (en) | 2009-07-30 | 2017-02-14 | Halliburton Energy Services, Inc. | Well drilling methods with event detection |
| US8347983B2 (en) | 2009-07-31 | 2013-01-08 | Weatherford/Lamb, Inc. | Drilling with a high pressure rotating control device |
| AU2010297339B2 (en) * | 2009-09-15 | 2014-05-15 | Grant Prideco, Inc. | Method of drilling a subterranean borehole |
| US8381838B2 (en) | 2009-12-31 | 2013-02-26 | Pason Systems Corp. | System and apparatus for directing the drilling of a well |
| GB2478119A (en) | 2010-02-24 | 2011-08-31 | Managed Pressure Operations Llc | A drilling system having a riser closure mounted above a telescopic joint |
| AU2010346598B2 (en) | 2010-02-25 | 2014-01-30 | Halliburton Energy Services, Inc. | Pressure control device with remote orientation relative to a rig |
| US8844633B2 (en) * | 2010-03-29 | 2014-09-30 | At-Balance Americas, Llc | Method for maintaining wellbore pressure |
| US8347982B2 (en) | 2010-04-16 | 2013-01-08 | Weatherford/Lamb, Inc. | System and method for managing heave pressure from a floating rig |
| US8201628B2 (en) | 2010-04-27 | 2012-06-19 | Halliburton Energy Services, Inc. | Wellbore pressure control with segregated fluid columns |
| US8820405B2 (en) | 2010-04-27 | 2014-09-02 | Halliburton Energy Services, Inc. | Segregating flowable materials in a well |
| EP2395352A1 (fr) | 2010-06-07 | 2011-12-14 | Siemens Aktiengesellschaft | Procédé et dispositif de détermination de l'extension d'un minéral de valeur dans une roche |
| EP2392768B1 (fr) | 2010-06-07 | 2013-08-28 | Siemens Aktiengesellschaft | Procédé et dispositif d'augmentation du rendement d'un site de stockage |
| EP2392772A1 (fr) | 2010-06-07 | 2011-12-07 | Siemens Aktiengesellschaft | Procédé et dispositif d'augmentation du rendement d'un site de stockage |
| US8240398B2 (en) | 2010-06-15 | 2012-08-14 | Halliburton Energy Services, Inc. | Annulus pressure setpoint correction using real time pressure while drilling measurements |
| US9175542B2 (en) | 2010-06-28 | 2015-11-03 | Weatherford/Lamb, Inc. | Lubricating seal for use with a tubular |
| GB2483671B (en) | 2010-09-15 | 2016-04-13 | Managed Pressure Operations | Drilling system |
| US8955602B2 (en) * | 2010-11-19 | 2015-02-17 | Letourneau Technologies, Inc. | System and methods for continuous and near continuous drilling |
| US8739863B2 (en) | 2010-11-20 | 2014-06-03 | Halliburton Energy Services, Inc. | Remote operation of a rotating control device bearing clamp |
| US9163473B2 (en) | 2010-11-20 | 2015-10-20 | Halliburton Energy Services, Inc. | Remote operation of a rotating control device bearing clamp and safety latch |
| WO2012122468A1 (fr) * | 2011-03-09 | 2012-09-13 | Prad Research And Development Limited | Procédé de commande de pression automatique pendant le forage comprenant une correction de déplacement du train de tige de forage |
| US9016381B2 (en) * | 2011-03-17 | 2015-04-28 | Hydril Usa Manufacturing Llc | Mudline managed pressure drilling and enhanced influx detection |
| WO2012138353A1 (fr) * | 2011-04-08 | 2012-10-11 | Halliburton Energy Services, Inc. | Régulation de la pression dans un puits de forage avec forage sous pression optimisée |
| CA2827935C (fr) | 2011-04-08 | 2015-11-17 | Halliburton Energy Services, Inc. | Commande de pression automatique de colonne montante dans un forage |
| US9249638B2 (en) | 2011-04-08 | 2016-02-02 | Halliburton Energy Services, Inc. | Wellbore pressure control with optimized pressure drilling |
| US9080407B2 (en) | 2011-05-09 | 2015-07-14 | Halliburton Energy Services, Inc. | Pressure and flow control in drilling operations |
| US9222350B2 (en) | 2011-06-21 | 2015-12-29 | Diamond Innovations, Inc. | Cutter tool insert having sensing device |
| EP2753787A4 (fr) | 2011-09-08 | 2016-07-13 | Halliburton Energy Services Inc | Forage à haute température avec des outils classés à basse température |
| US9447647B2 (en) | 2011-11-08 | 2016-09-20 | Halliburton Energy Services, Inc. | Preemptive setpoint pressure offset for flow diversion in drilling operations |
| WO2013081775A1 (fr) | 2011-11-30 | 2013-06-06 | Halliburton Energy Services, Inc. | Utilisation de mesures de pression de fond de puits pendant le forage permettant de détecter et de mitiger les afflux |
| CN102434120B (zh) * | 2011-12-27 | 2014-07-02 | 中国石油集团西部钻探工程有限公司 | 控压钻井用回压补偿装置 |
| PE20142137A1 (es) * | 2012-01-20 | 2015-01-08 | Ian Speer | Sistema de perforacion de circulacion doble |
| CA2871620C (fr) * | 2012-04-27 | 2017-01-03 | Schlumberger Canada Limited | Systeme de commande de pression d'espace annulaire de puits de forage, et procede utilisant la poussee des gaz dans la ligne de retour de fluide de forage |
| GB2501741B (en) * | 2012-05-03 | 2019-02-13 | Managed Pressure Operations | Method of drilling a subterranean borehole |
| CN103510893B (zh) * | 2012-06-29 | 2016-08-03 | 中国石油天然气集团公司 | 一种利用流量监控实现井底压力控制的钻井装备与方法 |
| MX359485B (es) * | 2012-07-02 | 2018-09-07 | Halliburton Energy Services Inc | Control de presion en operaciones de perforacion con desfase aplicado en respuesta a condiciones predeterminadas. |
| WO2014015323A1 (fr) * | 2012-07-20 | 2014-01-23 | Merlin Technology, Inc. | Opérations de souterrain, système, communications et appareil associé |
| CN102828709B (zh) * | 2012-09-06 | 2015-02-18 | 四川省广汉市恒生石油设备有限责任公司 | 钻井安全智能监控方法和钻井安全监控报警装置 |
| US9823373B2 (en) | 2012-11-08 | 2017-11-21 | Halliburton Energy Services, Inc. | Acoustic telemetry with distributed acoustic sensing system |
| CA2885260C (fr) * | 2012-12-31 | 2018-05-29 | Halliburton Energy Services, Inc. | Regulation de la pression de fluide de forage dans un systeme de circulation de fluide de forage |
| RU2527962C1 (ru) * | 2013-04-30 | 2014-09-10 | Общество с ограниченной ответственностью Научно-производственная фирма "ВНИИГИС-Забойные телеметрические комплексы" (ООО НПФ "ВНИИГИС-ЗТК") | Способ наземного приема-передачи информации в процессе бурения и устройство для его реализации |
| US9650884B2 (en) * | 2013-09-20 | 2017-05-16 | Weatherford Technology Holdings, Llc | Use of downhole isolation valve to sense annulus pressure |
| WO2015080740A1 (fr) * | 2013-11-27 | 2015-06-04 | Landmark Graphics Corporation | Modélisation de données groupées d'effets de raccords de tiges dans un forage déséquilibré |
| GB2521373A (en) | 2013-12-17 | 2015-06-24 | Managed Pressure Operations | Apparatus and method for degassing drilling fluid |
| GB2521374A (en) | 2013-12-17 | 2015-06-24 | Managed Pressure Operations | Drilling system and method of operating a drilling system |
| CN104847287B (zh) * | 2014-02-19 | 2018-03-02 | 中国石油化工集团公司 | 一种平衡压力钻井控压方法 |
| WO2015142819A1 (fr) | 2014-03-21 | 2015-09-24 | Canrig Drilling Technology Ltd. | Système de commande de contre-pression |
| RU2688652C2 (ru) * | 2014-05-12 | 2019-05-21 | Нэшнл Ойлвэл Варко, Л.П. | Способы эксплуатации скважинного бурового оборудования на основе условий в стволе скважины |
| CN105672992A (zh) * | 2014-05-29 | 2016-06-15 | 中国石油集团钻井工程技术研究院 | 一种用于实现钻井全过程的环空压力测量方法 |
| CN105672991A (zh) * | 2014-05-29 | 2016-06-15 | 中国石油集团钻井工程技术研究院 | 一种用于测量钻柱上下运动产生抽吸环空压力波动的方法 |
| CN105781530A (zh) * | 2014-05-29 | 2016-07-20 | 中国石油集团钻井工程技术研究院 | 全程环空压力测量方法 |
| GB2542720B (en) * | 2014-08-22 | 2020-10-21 | Halliburton Energy Services Inc | Downhole pressure sensing device for open-hole operations |
| CN104358557A (zh) * | 2014-11-04 | 2015-02-18 | 北京中冶迈克液压有限责任公司 | 控压钻井装备液气控制系统 |
| CN105201485A (zh) * | 2015-09-16 | 2015-12-30 | 贵州省地质矿产勘查开发局111地质大队 | 一种钻井信息远程管理系统 |
| US9759012B2 (en) * | 2015-09-24 | 2017-09-12 | Merlin Technology, Inc. | Multimode steering and homing system, method and apparatus |
| CN105840176A (zh) * | 2016-04-08 | 2016-08-10 | 中国石油集团钻井工程技术研究院 | 随钻当量密度测量方法及装置 |
| CN107269239A (zh) * | 2017-08-04 | 2017-10-20 | 西南石油大学 | 一种稳定油套环空压力的装置及其方法 |
| EP3685003B1 (fr) * | 2017-09-19 | 2022-11-02 | Noble Drilling Services, Inc. | Procédé de détection d'un flux entrant de fluide ou d'une perte de fluide dans un puits et détection de changements dans l'efficacité de la pompe à fluide |
| CA3118885A1 (fr) | 2018-11-05 | 2020-05-14 | Nan MU | Dispositif pour maintenir un equilibre dans un parc de pompes d'operations de fracturation |
| CN109812710B (zh) * | 2019-01-28 | 2020-10-27 | 新昌县陆恒机械有限公司 | 一种油田输送管线增压装置 |
| RU2728079C1 (ru) * | 2019-06-10 | 2020-07-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Астраханский государственный технический университет" ФГБОУ ВО "АГТУ" | Устройство для управления процессом бурения скважин |
| NO20220246A1 (en) | 2019-08-28 | 2022-02-24 | Baker Hughes Oilfield Operations Llc | Mud pulse transmission time delay correction |
| US11473418B1 (en) | 2020-01-22 | 2022-10-18 | Vermeer Manufacturing Company | Horizontal directional drilling system and method |
| US20220155117A1 (en) * | 2020-11-16 | 2022-05-19 | Sensia Llc | System and method for quantitative verification of flow measurements |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0436242A1 (fr) * | 1989-12-20 | 1991-07-10 | SERVICES PETROLIERS SCHLUMBERGER, (formerly Société de Prospection Electrique Schlumberger) | Procédé d'analyse et de contrôle d'une venue de fluide pendant le forage d'un puits |
| WO2000004269A2 (fr) * | 1998-07-15 | 2000-01-27 | Deep Vision Llc | Systeme de forage de puits sous-marin permettant de reduire la pression dans le fond du trou |
| WO2000079092A2 (fr) * | 1999-06-22 | 2000-12-28 | Shell Internationale Research Maatschappij B.V. | Systeme de forage |
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| US3552502A (en) † | 1967-12-21 | 1971-01-05 | Dresser Ind | Apparatus for automatically controlling the killing of oil and gas wells |
| US3827511A (en) † | 1972-12-18 | 1974-08-06 | Cameron Iron Works Inc | Apparatus for controlling well pressure |
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| DK150665C (da) * | 1985-04-11 | 1987-11-30 | Einar Dyhr | Drosselventil til regujlering af gennemstroemning og dermed bagtryk i |
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-
2003
- 2003-02-19 EP EP03742832A patent/EP1488073B2/fr not_active Expired - Lifetime
- 2003-02-19 CN CNB038068141A patent/CN100535380C/zh not_active Expired - Fee Related
- 2003-02-19 OA OA1200400218A patent/OA12776A/en unknown
- 2003-02-19 AU AU2003211155A patent/AU2003211155B9/en not_active Withdrawn - After Issue
- 2003-02-19 EG EG2003020170A patent/EG23370A/xx active
- 2003-02-19 WO PCT/US2003/005012 patent/WO2003071091A1/fr active IP Right Grant
- 2003-02-19 MX MXPA04008063A patent/MXPA04008063A/es active IP Right Grant
- 2003-02-19 RU RU2004127944/03A patent/RU2301319C2/ru not_active IP Right Cessation
- 2003-02-19 CA CA2477242A patent/CA2477242C/fr not_active Expired - Lifetime
- 2003-02-20 AR ARP030100544A patent/AR038529A1/es active IP Right Grant
-
2004
- 2004-09-17 NO NO20043906A patent/NO338967B1/no not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0436242A1 (fr) * | 1989-12-20 | 1991-07-10 | SERVICES PETROLIERS SCHLUMBERGER, (formerly Société de Prospection Electrique Schlumberger) | Procédé d'analyse et de contrôle d'une venue de fluide pendant le forage d'un puits |
| WO2000004269A2 (fr) * | 1998-07-15 | 2000-01-27 | Deep Vision Llc | Systeme de forage de puits sous-marin permettant de reduire la pression dans le fond du trou |
| WO2000079092A2 (fr) * | 1999-06-22 | 2000-12-28 | Shell Internationale Research Maatschappij B.V. | Systeme de forage |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1488073B1 (fr) | 2006-08-09 |
| OA12776A (en) | 2006-07-06 |
| CA2477242C (fr) | 2011-05-24 |
| WO2003071091A8 (fr) | 2004-10-14 |
| CN100535380C (zh) | 2009-09-02 |
| AU2003211155B2 (en) | 2008-04-17 |
| CN1643233A (zh) | 2005-07-20 |
| CA2477242A1 (fr) | 2003-08-28 |
| AR038529A1 (es) | 2005-01-19 |
| EG23370A (en) | 2005-02-28 |
| WO2003071091A1 (fr) | 2003-08-28 |
| RU2301319C2 (ru) | 2007-06-20 |
| NO20043906L (no) | 2004-11-17 |
| RU2004127944A (ru) | 2005-05-10 |
| WO2003071091A9 (fr) | 2004-06-24 |
| AU2003211155A1 (en) | 2003-09-09 |
| EP1488073B2 (fr) | 2012-08-01 |
| EP1488073A1 (fr) | 2004-12-22 |
| MXPA04008063A (es) | 2005-06-20 |
| AU2003211155B9 (en) | 2008-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CHAD | Change of the owner's name or address (par. 44 patent law, par. patentforskriften) |
Owner name: PRAD RESEARCH AND DEVELOPMENT LTD, VG |
|
| CREP | Change of representative |
Representative=s name: MURGITROYD & COMPANY, MANNERHEIMSVAEGEN 12 B, 5TR, |
|
| MK1K | Patent expired |