DE69905164D1 - Verfahren und werkzeug zur spaltenbildung in einer unterirdischen formation - Google Patents
Verfahren und werkzeug zur spaltenbildung in einer unterirdischen formationInfo
- Publication number
- DE69905164D1 DE69905164D1 DE69905164T DE69905164T DE69905164D1 DE 69905164 D1 DE69905164 D1 DE 69905164D1 DE 69905164 T DE69905164 T DE 69905164T DE 69905164 T DE69905164 T DE 69905164T DE 69905164 D1 DE69905164 D1 DE 69905164D1
- Authority
- DE
- Germany
- Prior art keywords
- columning
- tool
- underground formation
- underground
- formation
- 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.)
- Expired - Fee Related
Links
- 230000015572 biosynthetic process Effects 0.000 title 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
-
- 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
- E21B21/002—Down-hole drilling fluid separation systems
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
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)
- Earth Drilling (AREA)
- Geophysics And Detection Of Objects (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98305212 | 1998-07-01 | ||
| PCT/EP1999/004409 WO2000001926A1 (en) | 1998-07-01 | 1999-06-24 | Method and tool for fracturing an underground formation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69905164D1 true DE69905164D1 (de) | 2003-03-06 |
| DE69905164T2 DE69905164T2 (de) | 2003-10-02 |
Family
ID=8234905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69905164T Expired - Fee Related DE69905164T2 (de) | 1998-07-01 | 1999-06-24 | Verfahren und werkzeug zur spaltenbildung in einer unterirdischen formation |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US6176313B1 (de) |
| EP (1) | EP1092080B1 (de) |
| CN (1) | CN1119501C (de) |
| AU (1) | AU750116B2 (de) |
| CA (1) | CA2336353C (de) |
| DE (1) | DE69905164T2 (de) |
| DK (1) | DK1092080T3 (de) |
| EA (1) | EA002458B1 (de) |
| GC (1) | GC0000018A (de) |
| JO (1) | JO2101B1 (de) |
| MA (1) | MA25282A1 (de) |
| MY (1) | MY117694A (de) |
| NO (1) | NO20006695L (de) |
| WO (1) | WO2000001926A1 (de) |
Families Citing this family (82)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7357188B1 (en) | 1998-12-07 | 2008-04-15 | Shell Oil Company | Mono-diameter wellbore casing |
| US7231985B2 (en) | 1998-11-16 | 2007-06-19 | Shell Oil Company | Radial expansion of tubular members |
| US6823937B1 (en) | 1998-12-07 | 2004-11-30 | Shell Oil Company | Wellhead |
| WO2001098623A1 (en) | 1998-11-16 | 2001-12-27 | Shell Oil Company | Radial expansion of tubular members |
| US7121352B2 (en) | 1998-11-16 | 2006-10-17 | Enventure Global Technology | Isolation of subterranean zones |
| US6557640B1 (en) | 1998-12-07 | 2003-05-06 | Shell Oil Company | Lubrication and self-cleaning system for expansion mandrel |
| AU3792000A (en) | 1998-12-07 | 2000-12-21 | Shell Internationale Research Maatschappij B.V. | Lubrication and self-cleaning system for expansion mandrel |
| US7195064B2 (en) | 1998-12-07 | 2007-03-27 | Enventure Global Technology | Mono-diameter wellbore casing |
| US6758278B2 (en) | 1998-12-07 | 2004-07-06 | Shell Oil Company | Forming a wellbore casing while simultaneously drilling a wellbore |
| GB2344606B (en) | 1998-12-07 | 2003-08-13 | Shell Int Research | Forming a wellbore casing by expansion of a tubular member |
| US7185710B2 (en) | 1998-12-07 | 2007-03-06 | Enventure Global Technology | Mono-diameter wellbore casing |
| US7552776B2 (en) | 1998-12-07 | 2009-06-30 | Enventure Global Technology, Llc | Anchor hangers |
| 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 |
| US7516790B2 (en) | 1999-12-03 | 2009-04-14 | Enventure Global Technology, Llc | Mono-diameter wellbore casing |
| US7234531B2 (en) | 1999-12-03 | 2007-06-26 | Enventure Global Technology, Llc | Mono-diameter wellbore casing |
| US7100684B2 (en) | 2000-07-28 | 2006-09-05 | Enventure Global Technology | Liner hanger with standoffs |
| AU2001292695B2 (en) | 2000-09-18 | 2006-07-06 | Shell Internationale Research Maatschappij B.V. | Liner hanger with sliding sleeve valve |
| AU2001294802B2 (en) | 2000-10-02 | 2005-12-01 | Shell Internationale Research Maatschappij B.V. | Method and apparatus for casing expansion |
| US7100685B2 (en) | 2000-10-02 | 2006-09-05 | Enventure Global Technology | Mono-diameter wellbore casing |
| US7410000B2 (en) | 2001-01-17 | 2008-08-12 | Enventure Global Technology, Llc. | Mono-diameter wellbore casing |
| 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 |
| GB2409217B (en) | 2001-08-20 | 2005-12-28 | Enventure Global Technology | Apparatus for radially expanding tubular members including an adjustable expansion device |
| US7546881B2 (en) | 2001-09-07 | 2009-06-16 | Enventure Global Technology, Llc | 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 |
| WO2003029614A2 (en) * | 2001-09-28 | 2003-04-10 | Shell Internationale Research Maatschappij B.V. | Tool and method for measuring properties of an earth formation surrounding a borehole |
| GB2421257B (en) | 2001-11-12 | 2006-08-16 | Enventure Global Technology | Mono diameter wellbore casing |
| GB0128667D0 (en) * | 2001-11-30 | 2002-01-23 | Weatherford Lamb | Tubing expansion |
| 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 |
| 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 |
| AU2003258274A1 (en) | 2002-08-23 | 2004-03-11 | Enventure Global Technology | Magnetic impulse applied sleeve method of forming a wellbore casing |
| AU2003270774A1 (en) | 2002-09-20 | 2004-04-08 | Enventure Global Technlogy | Bottom plug for forming a mono diameter wellbore casing |
| CA2499071C (en) | 2002-09-20 | 2014-06-03 | Enventure Global Technology | Self-lubricating expansion mandrel for expandable tubular |
| 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 |
| GB2415983B (en) | 2003-02-26 | 2007-09-05 | 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 |
| US7712522B2 (en) | 2003-09-05 | 2010-05-11 | Enventure Global Technology, Llc | Expansion cone and system |
| WO2006020960A2 (en) | 2004-08-13 | 2006-02-23 | Enventure Global Technology, Llc | Expandable tubular |
| US7213641B2 (en) * | 2004-11-02 | 2007-05-08 | Stinger Wellhead Protection, Inc. | Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same |
| CA2536957C (en) * | 2006-02-17 | 2008-01-22 | Jade Oilfield Service Ltd. | Method of treating a formation using deformable proppants |
| US7748458B2 (en) * | 2006-02-27 | 2010-07-06 | Geosierra Llc | Initiation and propagation control of vertical hydraulic fractures in unconsolidated and weakly cemented sediments |
| US8151874B2 (en) | 2006-02-27 | 2012-04-10 | Halliburton Energy Services, Inc. | Thermal recovery of shallow bitumen through increased permeability inclusions |
| US20080060849A1 (en) * | 2006-09-12 | 2008-03-13 | Entchev Pavlin B | Shape memory alloy vibration isolation device |
| US7814978B2 (en) | 2006-12-14 | 2010-10-19 | Halliburton Energy Services, Inc. | Casing expansion and formation compression for permeability plane orientation |
| GB0712345D0 (en) | 2007-06-26 | 2007-08-01 | Metcalfe Paul D | Downhole apparatus |
| US7647966B2 (en) | 2007-08-01 | 2010-01-19 | Halliburton Energy Services, Inc. | Method for drainage of heavy oil reservoir via horizontal wellbore |
| US7640982B2 (en) | 2007-08-01 | 2010-01-05 | Halliburton Energy Services, Inc. | Method of injection plane initiation in a well |
| US7640975B2 (en) | 2007-08-01 | 2010-01-05 | Halliburton Energy Services, Inc. | Flow control for increased permeability planes in unconsolidated formations |
| US7832477B2 (en) | 2007-12-28 | 2010-11-16 | Halliburton Energy Services, Inc. | Casing deformation and control for inclusion propagation |
| US7789133B2 (en) * | 2008-03-20 | 2010-09-07 | Stinger Wellhead Protection, Inc. | Erosion resistant frac head |
| US8820400B2 (en) | 2008-03-20 | 2014-09-02 | Oil States Energy Services, L.L.C. | Erosion resistant frac head |
| US8417457B2 (en) * | 2009-07-08 | 2013-04-09 | Baker Hughes Incorporated | Borehole stress module and methods for use |
| EP2402554A1 (de) * | 2010-06-30 | 2012-01-04 | Welltec A/S | Bruchsystem |
| GB201019358D0 (en) | 2010-11-16 | 2010-12-29 | Darcy Technologies Ltd | Downhole method and apparatus |
| CN103429846B (zh) * | 2011-01-17 | 2016-02-10 | 米伦纽姆促进服务有限公司 | 用于地下地层的压裂系统和方法 |
| US8973651B2 (en) * | 2011-06-16 | 2015-03-10 | Baker Hughes Incorporated | Modular anchoring sub for use with a cutting tool |
| US8955585B2 (en) | 2011-09-27 | 2015-02-17 | Halliburton Energy Services, Inc. | Forming inclusions in selected azimuthal orientations from a casing section |
| US8973661B2 (en) * | 2011-12-23 | 2015-03-10 | Saudi Arabian Oil Company | Method of fracturing while drilling |
| US9151147B2 (en) * | 2012-07-25 | 2015-10-06 | Stelford Energy, Inc. | Method and apparatus for hydraulic fracturing |
| US8807206B2 (en) * | 2012-11-27 | 2014-08-19 | Halliburton Energy Services, Inc. | Perforating gun debris retention assembly and method of use |
| US20150322760A1 (en) * | 2012-12-13 | 2015-11-12 | Schlumberger Technology Corporation | Mechanically assisted fracture initiation |
| CN103244097B (zh) * | 2013-05-16 | 2016-04-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | 中深煤层控制多裂缝压裂方法 |
| CN103912255B (zh) * | 2014-03-18 | 2017-01-04 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | 一种油气井水力振荡压裂工艺 |
| RU2576269C2 (ru) * | 2014-07-25 | 2016-02-27 | Общество С Ограниченной Ответственностью "Геликоид" | Способ вторичного вскрытия продуктивных пластов геликоидной перфорацией |
| CN104806221A (zh) * | 2015-05-06 | 2015-07-29 | 北京大学 | 非常规油气储层液化石油气压裂改造方法 |
| US9745839B2 (en) * | 2015-10-29 | 2017-08-29 | George W. Niemann | System and methods for increasing the permeability of geological formations |
| EP3371272B1 (de) | 2015-11-05 | 2021-04-14 | Saudi Arabian Oil Company | Auslösung einer exothermen reaktion für reservoirs mit hilfe von mikrowellen |
| US10989029B2 (en) | 2015-11-05 | 2021-04-27 | Saudi Arabian Oil Company | Methods and apparatus for spatially-oriented chemically-induced pulsed fracturing in reservoirs |
| EA202192844A1 (ru) * | 2019-05-15 | 2022-03-03 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Инструмент для пробивки и закачки для скважинной обсадной колонны и способ его применения |
| CN111982614B (zh) * | 2019-05-23 | 2023-11-28 | 中国石油天然气股份有限公司 | 造缝装置、用于模拟真实岩石驱替实验过程的系统及工艺 |
| CN113390298B (zh) * | 2021-06-10 | 2023-03-31 | 河南理工大学 | 一种co2致裂器的串联电路连接装置 |
| US11619098B2 (en) | 2021-08-17 | 2023-04-04 | Saudi Arabian Oil Company | Double acting rotary and hammering tool |
| CN115095322A (zh) * | 2022-07-09 | 2022-09-23 | 邹城兖矿泰德工贸有限公司 | 双通道高压水致裂装置及水致裂施工方法 |
| CN116906020B (zh) * | 2023-08-31 | 2024-01-26 | 徐州工程学院 | 一种页岩气增产方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2687179A (en) * | 1948-08-26 | 1954-08-24 | Newton B Dismukes | Means for increasing the subterranean flow into and from wells |
| US3062294A (en) * | 1959-11-13 | 1962-11-06 | Gulf Research Development Co | Apparatus for fracturing a formation |
| FR1602480A (en) * | 1968-12-30 | 1970-11-30 | Fracturing rock formations in well bore | |
| US3897975A (en) * | 1971-04-12 | 1975-08-05 | Caterpillar Tractor Co | Method for fracture of material in situ with stored inertial energy |
| SU1222837A1 (ru) * | 1984-06-28 | 1986-04-07 | Институт Горного Дела Со Ан Ссср | Устройство дл образовани направленных трещин в скважинах |
| SU1668641A1 (ru) * | 1989-06-26 | 1991-08-07 | Ухтинское Производственное Геологическое Объединение По Разведке Нефти И Газа "Ухтанефтегазгеология" | Способ перфорации скважины, обсаженной обсадной колонной, и устройство дл его осуществлени |
| US5224556A (en) * | 1991-09-16 | 1993-07-06 | Conoco Inc. | Downhole activated process and apparatus for deep perforation of the formation in a wellbore |
| RU2007552C1 (ru) * | 1991-12-06 | 1994-02-15 | Шеляго Владимир Викторович | Способ гидроразрыва пласта и устройство для его осуществления |
| US5226749A (en) * | 1992-07-08 | 1993-07-13 | Atlantic Richfield Company | Waste disposal in hydraulically fractured earth formations |
| US5355802A (en) * | 1992-11-10 | 1994-10-18 | Schlumberger Technology Corporation | Method and apparatus for perforating and fracturing in a borehole |
| US5511615A (en) * | 1994-11-07 | 1996-04-30 | Phillips Petroleum Company | Method and apparatus for in-situ borehole stress determination |
| US5576485A (en) * | 1995-04-03 | 1996-11-19 | Serata; Shosei | Single fracture method and apparatus for simultaneous measurement of in-situ earthen stress state and material properties |
| US5675088A (en) * | 1995-04-03 | 1997-10-07 | Serata; Shosei | Method and apparatus for automatic monitoring of tectonic stresses and quantitative forecast of shallow earthquakes |
-
1999
- 1999-06-24 EA EA200100092A patent/EA002458B1/ru not_active IP Right Cessation
- 1999-06-24 CN CN99808122A patent/CN1119501C/zh not_active Expired - Fee Related
- 1999-06-24 WO PCT/EP1999/004409 patent/WO2000001926A1/en not_active Ceased
- 1999-06-24 CA CA002336353A patent/CA2336353C/en not_active Expired - Fee Related
- 1999-06-24 DK DK99938209T patent/DK1092080T3/da active
- 1999-06-24 AU AU52799/99A patent/AU750116B2/en not_active Ceased
- 1999-06-24 EP EP99938209A patent/EP1092080B1/de not_active Expired - Lifetime
- 1999-06-24 DE DE69905164T patent/DE69905164T2/de not_active Expired - Fee Related
- 1999-06-29 MY MYPI99002715A patent/MY117694A/en unknown
- 1999-06-29 JO JO19992101A patent/JO2101B1/en active
- 1999-06-30 US US09/343,804 patent/US6176313B1/en not_active Expired - Lifetime
- 1999-07-01 MA MA25656A patent/MA25282A1/fr unknown
- 1999-07-03 GC GCP1999195 patent/GC0000018A/xx active
-
2000
- 2000-12-29 NO NO20006695A patent/NO20006695L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AU5279999A (en) | 2000-01-24 |
| CA2336353A1 (en) | 2000-01-13 |
| NO20006695L (no) | 2001-02-28 |
| WO2000001926A1 (en) | 2000-01-13 |
| EP1092080B1 (de) | 2003-01-29 |
| MA25282A1 (fr) | 2001-12-31 |
| EA200100092A1 (ru) | 2001-06-25 |
| JO2101B1 (en) | 2000-05-21 |
| AU750116B2 (en) | 2002-07-11 |
| US6176313B1 (en) | 2001-01-23 |
| CN1119501C (zh) | 2003-08-27 |
| DE69905164T2 (de) | 2003-10-02 |
| GC0000018A (en) | 2002-10-30 |
| CN1308705A (zh) | 2001-08-15 |
| MY117694A (en) | 2004-07-31 |
| EP1092080A1 (de) | 2001-04-18 |
| NO20006695D0 (no) | 2000-12-29 |
| CA2336353C (en) | 2008-10-28 |
| EA002458B1 (ru) | 2002-04-25 |
| DK1092080T3 (da) | 2003-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69905164D1 (de) | Verfahren und werkzeug zur spaltenbildung in einer unterirdischen formation | |
| DE69917978T2 (de) | Vorrichtung und Verfahren zur Komplettierung einer unterirdischen Bohrung | |
| DE69940445D1 (de) | Verfahren und Vorrichtung zur Editierung von skizzierten Kurven | |
| DE69826527D1 (de) | Vorrichtung zur komplettierung einer unterirdischen bohrung und verfahren zu deren verwendung | |
| DE69937839D1 (de) | Vorrichtung und verfahren zur lokalisierung einer kodiereinheit | |
| DE69940804D1 (de) | Verfahren und vorrichtung zur unterdrückung von abklingartefakten | |
| DE69913106D1 (de) | Verfahren und gerät zur roboterausrichtung | |
| DE69916397D1 (de) | Verfahren und Vorrichtung zur Betätigung eines Bohrlochwerkzeuges | |
| DE50009311D1 (de) | Otoplastik und verfahren zur fertigung einer otoplastik | |
| DE69818963D1 (de) | Magnetischer Vervolger und Verfahren dafür | |
| DE69835511D1 (de) | Verfahren und Vorrichtung zur Durckimpulsbetätigte Telemetrie | |
| DE69820153D1 (de) | Verfahren und Vorrichtung zur Zementierung eines Bohrloches | |
| DE69830454D1 (de) | Verfahren und Vorrichtung zur Zementierung eines Bohrloches | |
| DE59901706D1 (de) | Einrichtung sowie Verfahren zur Bearbeitung von Bohrungen | |
| DE69934117D1 (de) | Verfahren und gerät zur rufübergabe in einem kommunikationssystem | |
| DE60020614D1 (de) | Vorrichtung und Verfahren zur Planarisierung | |
| DE60013627D1 (de) | Verfahren und vorrichtung zur aufwärtsplanung | |
| DE69931256D1 (de) | Verfahren und system zum zurückholen einer elektronischen akte | |
| DE69938403D1 (de) | Verfahren und Vorrichtung zur Routenberechnung | |
| DE19983717T1 (de) | Vorrichtung und Verfahren zur Ausrichtung | |
| DE69934403D1 (de) | Verfahren und vorrichtung zur digitalen kanalisierung und dekanalisierung | |
| DE69818981D1 (de) | Vorrichtung und verfahren zur kristallisation | |
| DE69905350D1 (de) | Fräswerkzeug und verfahren zum fräsen | |
| DE69737845D1 (de) | Gerät und Verfahren zur Bohrlochmessung | |
| DE10196323T1 (de) | Verfahren und Vorrichtung zur Sicherung einer Erdbewegungsmaschine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Representative=s name: JUNG, SCHIRDEWAHN, GRUENBERG, SCHNEIDER PATENTANWAELTE |
|
| 8328 | Change in the person/name/address of the agent |
Representative=s name: ADVOTEC. PATENT- UND RECHTSANWAELTE, 80538 MUENCHE |
|
| 8339 | Ceased/non-payment of the annual fee |