DE60206276D1 - Lenkbare drehbohrmeisseleinrichtung mit pilotbohrer - Google Patents

Lenkbare drehbohrmeisseleinrichtung mit pilotbohrer

Info

Publication number
DE60206276D1
DE60206276D1 DE60206276T DE60206276T DE60206276D1 DE 60206276 D1 DE60206276 D1 DE 60206276D1 DE 60206276 T DE60206276 T DE 60206276T DE 60206276 T DE60206276 T DE 60206276T DE 60206276 D1 DE60206276 D1 DE 60206276D1
Authority
DE
Germany
Prior art keywords
drilling device
pilot drill
steering turning
turning drilling
steering
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 - Lifetime
Application number
DE60206276T
Other languages
English (en)
Other versions
DE60206276T2 (de
Inventor
Johannes Runia
George Smith
Nicholas Worrall
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.)
ThruBit BV
Original Assignee
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 Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of DE60206276D1 publication Critical patent/DE60206276D1/de
Application granted granted Critical
Publication of DE60206276T2 publication Critical patent/DE60206276T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/265—Bi-center drill bits, i.e. an integral bit and eccentric reamer used to simultaneously drill and underream the hole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
DE60206276T 2001-07-16 2002-07-16 Lenkbare drehbohrmeisseleinrichtung mit pilotbohrer Expired - Lifetime DE60206276T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01306106 2001-07-16
EP01306106 2001-07-16
PCT/EP2002/007958 WO2003008754A1 (en) 2001-07-16 2002-07-16 Steerable rotary drill bit assembly with pilot bit

Publications (2)

Publication Number Publication Date
DE60206276D1 true DE60206276D1 (de) 2006-02-02
DE60206276T2 DE60206276T2 (de) 2006-05-11

Family

ID=8182110

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60206276T Expired - Lifetime DE60206276T2 (de) 2001-07-16 2002-07-16 Lenkbare drehbohrmeisseleinrichtung mit pilotbohrer

Country Status (9)

Country Link
US (1) US7207398B2 (de)
EP (1) EP1407110B1 (de)
CN (1) CN100347397C (de)
AR (1) AR034780A1 (de)
CA (1) CA2453353C (de)
DE (1) DE60206276T2 (de)
NO (1) NO20040173L (de)
RU (1) RU2317396C2 (de)
WO (1) WO2003008754A1 (de)

Families Citing this family (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1588016B1 (de) * 2003-01-15 2007-03-14 Shell Internationale Researchmaatschappij B.V. Bohrgestänge
WO2004065751A1 (en) 2003-01-15 2004-08-05 Baker Hughes Incorporated Short radium whipstock system
CA2525793C (en) * 2003-05-21 2012-08-28 Shell Canada Limited Drill bit and system for drilling a borehole
US7287604B2 (en) * 2003-09-15 2007-10-30 Baker Hughes Incorporated Steerable bit assembly and methods
CN101300400B (zh) * 2005-10-11 2011-02-16 罗纳德·乔治·民舒尔 自动致动的扩孔器
US7571780B2 (en) * 2006-03-24 2009-08-11 Hall David R Jack element for a drill bit
US7549489B2 (en) 2006-03-23 2009-06-23 Hall David R Jack element with a stop-off
US8316964B2 (en) 2006-03-23 2012-11-27 Schlumberger Technology Corporation Drill bit transducer device
US7730972B2 (en) * 2005-11-21 2010-06-08 Schlumberger Technology Corporation Downhole turbine
US8130117B2 (en) 2006-03-23 2012-03-06 Schlumberger Technology Corporation Drill bit with an electrically isolated transmitter
US8205688B2 (en) 2005-11-21 2012-06-26 Hall David R Lead the bit rotary steerable system
US8225883B2 (en) * 2005-11-21 2012-07-24 Schlumberger Technology Corporation Downhole percussive tool with alternating pressure differentials
US8528664B2 (en) 2005-11-21 2013-09-10 Schlumberger Technology Corporation Downhole mechanism
US7967082B2 (en) 2005-11-21 2011-06-28 Schlumberger Technology Corporation Downhole mechanism
US8297378B2 (en) 2005-11-21 2012-10-30 Schlumberger Technology Corporation Turbine driven hammer that oscillates at a constant frequency
US8522897B2 (en) * 2005-11-21 2013-09-03 Schlumberger Technology Corporation Lead the bit rotary steerable tool
US8267196B2 (en) 2005-11-21 2012-09-18 Schlumberger Technology Corporation Flow guide actuation
US7753144B2 (en) * 2005-11-21 2010-07-13 Schlumberger Technology Corporation Drill bit with a retained jack element
US7641003B2 (en) 2005-11-21 2010-01-05 David R Hall Downhole hammer assembly
US8297375B2 (en) 2005-11-21 2012-10-30 Schlumberger Technology Corporation Downhole turbine
US7360610B2 (en) * 2005-11-21 2008-04-22 Hall David R Drill bit assembly for directional drilling
US7506706B2 (en) * 2005-11-21 2009-03-24 Hall David R Retaining element for a jack element
US8360174B2 (en) * 2006-03-23 2013-01-29 Schlumberger Technology Corporation Lead the bit rotary steerable tool
US7900720B2 (en) 2006-01-18 2011-03-08 Schlumberger Technology Corporation Downhole drive shaft connection
US7661487B2 (en) 2006-03-23 2010-02-16 Hall David R Downhole percussive tool with alternating pressure differentials
US7694756B2 (en) 2006-03-23 2010-04-13 Hall David R Indenting member for a drill bit
USD620510S1 (en) 2006-03-23 2010-07-27 Schlumberger Technology Corporation Drill bit
US8616305B2 (en) 2006-08-11 2013-12-31 Schlumberger Technology Corporation Fixed bladed bit that shifts weight between an indenter and cutting elements
US8596381B2 (en) 2006-08-11 2013-12-03 David R. Hall Sensor on a formation engaging member of a drill bit
US8590644B2 (en) 2006-08-11 2013-11-26 Schlumberger Technology Corporation Downhole drill bit
US8622155B2 (en) 2006-08-11 2014-01-07 Schlumberger Technology Corporation Pointed diamond working ends on a shear bit
US9145742B2 (en) 2006-08-11 2015-09-29 Schlumberger Technology Corporation Pointed working ends on a drill bit
US8240404B2 (en) 2006-08-11 2012-08-14 Hall David R Roof bolt bit
US7886851B2 (en) * 2006-08-11 2011-02-15 Schlumberger Technology Corporation Drill bit nozzle
US8215420B2 (en) 2006-08-11 2012-07-10 Schlumberger Technology Corporation Thermally stable pointed diamond with increased impact resistance
US9316061B2 (en) 2006-08-11 2016-04-19 David R. Hall High impact resistant degradation element
US8714285B2 (en) 2006-08-11 2014-05-06 Schlumberger Technology Corporation Method for drilling with a fixed bladed bit
US8449040B2 (en) 2006-08-11 2013-05-28 David R. Hall Shank for an attack tool
US7637574B2 (en) 2006-08-11 2009-12-29 Hall David R Pick assembly
US8122980B2 (en) 2007-06-22 2012-02-28 Schlumberger Technology Corporation Rotary drag bit with pointed cutting elements
US8567532B2 (en) 2006-08-11 2013-10-29 Schlumberger Technology Corporation Cutting element attached to downhole fixed bladed bit at a positive rake angle
US7669674B2 (en) 2006-08-11 2010-03-02 Hall David R Degradation assembly
US20080035389A1 (en) 2006-08-11 2008-02-14 Hall David R Roof Mining Drill Bit
US7871133B2 (en) 2006-08-11 2011-01-18 Schlumberger Technology Corporation Locking fixture
US9051795B2 (en) 2006-08-11 2015-06-09 Schlumberger Technology Corporation Downhole drill bit
US8443915B2 (en) * 2006-09-14 2013-05-21 Schlumberger Technology Corporation Through drillstring logging systems and methods
US9068410B2 (en) 2006-10-26 2015-06-30 Schlumberger Technology Corporation Dense diamond body
US8960337B2 (en) 2006-10-26 2015-02-24 Schlumberger Technology Corporation High impact resistant tool with an apex width between a first and second transitions
US7954401B2 (en) 2006-10-27 2011-06-07 Schlumberger Technology Corporation Method of assembling a drill bit with a jack element
EP2092153A4 (de) * 2006-12-15 2015-03-25 Services Petroliers Schlumberger System zur lenkung eines bohrgestänges
USD678368S1 (en) 2007-02-12 2013-03-19 David R. Hall Drill bit with a pointed cutting element
US8839888B2 (en) 2010-04-23 2014-09-23 Schlumberger Technology Corporation Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements
USD674422S1 (en) 2007-02-12 2013-01-15 Hall David R Drill bit with a pointed cutting element and a shearing cutting element
US8439131B2 (en) * 2007-04-12 2013-05-14 Schlumberger Technology Corporation Drill bit assembly and method of performing an operation in a wellbore
US7866416B2 (en) 2007-06-04 2011-01-11 Schlumberger Technology Corporation Clutch for a jack element
GB0710891D0 (en) 2007-06-07 2007-07-18 Anderguage Ltd Drilling apparatus
US7721826B2 (en) 2007-09-06 2010-05-25 Schlumberger Technology Corporation Downhole jack assembly sensor
US7967083B2 (en) 2007-09-06 2011-06-28 Schlumberger Technology Corporation Sensor for determining a position of a jack element
GB2455731B (en) * 2007-12-19 2010-03-10 Schlumberger Holdings Directional drilling system
US8540037B2 (en) 2008-04-30 2013-09-24 Schlumberger Technology Corporation Layered polycrystalline diamond
US8668031B2 (en) * 2008-06-02 2014-03-11 Schlumberger Technology Corporation Drill bit and method for inserting, expanding, collapsing, and retrieving drill bit
US8960329B2 (en) * 2008-07-11 2015-02-24 Schlumberger Technology Corporation Steerable piloted drill bit, drill system, and method of drilling curved boreholes
US8205686B2 (en) * 2008-09-25 2012-06-26 Baker Hughes Incorporated Drill bit with adjustable axial pad for controlling torsional fluctuations
US7971662B2 (en) * 2008-09-25 2011-07-05 Baker Hughes Incorporated Drill bit with adjustable steering pads
US9915138B2 (en) 2008-09-25 2018-03-13 Baker Hughes, A Ge Company, Llc Drill bit with hydraulically adjustable axial pad for controlling torsional fluctuations
GB2464481B (en) 2008-10-16 2011-11-02 Dynamic Dinosaurs Bv Method for installing sensors in a borehole
US8061455B2 (en) * 2009-02-26 2011-11-22 Baker Hughes Incorporated Drill bit with adjustable cutters
GB0906211D0 (en) 2009-04-09 2009-05-20 Andergauge Ltd Under-reamer
US8701799B2 (en) 2009-04-29 2014-04-22 Schlumberger Technology Corporation Drill bit cutter pocket restitution
US8087479B2 (en) * 2009-08-04 2012-01-03 Baker Hughes Incorporated Drill bit with an adjustable steering device
US8307914B2 (en) * 2009-09-09 2012-11-13 Schlumberger Technology Corporation Drill bits and methods of drilling curved boreholes
CN101806196A (zh) * 2010-03-26 2010-08-18 毛杰 一种复合型旋挖钻机钻孔机构
US20110240377A1 (en) * 2010-04-01 2011-10-06 Hall David R Drill Bit Jack Element with a Plurality of Inserts
US8550190B2 (en) 2010-04-01 2013-10-08 David R. Hall Inner bit disposed within an outer bit
US8418784B2 (en) 2010-05-11 2013-04-16 David R. Hall Central cutting region of a drilling head assembly
US9080387B2 (en) * 2010-08-03 2015-07-14 Baker Hughes Incorporated Directional wellbore control by pilot hole guidance
US8960328B2 (en) * 2010-08-31 2015-02-24 Baker Hughes Incorporated Drill bit with adjustable side force
US8820440B2 (en) 2010-10-01 2014-09-02 David R. Hall Drill bit steering assembly
US8333254B2 (en) 2010-10-01 2012-12-18 Hall David R Steering mechanism with a ring disposed about an outer diameter of a drill bit and method for drilling
GB2486898A (en) 2010-12-29 2012-07-04 Nov Downhole Eurasia Ltd A downhole tool with at least one extendable offset cutting member for reaming a bore
CN103061671B (zh) * 2011-10-24 2014-12-10 中国石油化工股份有限公司 井下减阻降扭器
CN102561951A (zh) * 2012-01-14 2012-07-11 中国石油天然气集团公司 一种双级双速钻井工具
US9556677B2 (en) 2012-02-17 2017-01-31 Halliburton Energy Services, Inc. Directional drilling systems
CA2862116C (en) * 2012-02-17 2017-09-26 Halliburton Energy Services, Inc. Directional drilling systems
US9441420B2 (en) * 2012-04-09 2016-09-13 Saudi Arabian Oil Company System and method for forming a lateral wellbore
CN102704843A (zh) * 2012-05-09 2012-10-03 中国石油天然气股份有限公司 领眼高效钻头
WO2013188206A1 (en) * 2012-06-06 2013-12-19 Baker Hughes Incorporated Drill bit with hydraulically adjustable axial pad for controlling torsional fluctuations
US9695641B2 (en) * 2012-10-25 2017-07-04 National Oilwell DHT, L.P. Drilling systems and fixed cutter bits with adjustable depth-of-cut to control torque-on-bit
BR112016002591A2 (pt) * 2013-08-05 2017-08-01 Geonex Oy processo para comandar uma direção de um dispositivo de perfuração fazendo um furo no solo
AU2013405143B2 (en) 2013-11-14 2017-03-16 Halliburton Energy Services, Inc. Method and apparatus for ranging to a nearby well from ahead of a drill bit
US9782840B2 (en) 2014-07-01 2017-10-10 James Edwin Funk Safety drilling tool
WO2016108817A1 (en) * 2014-12-29 2016-07-07 Halliburton Energy Services, Inc. Drilling assembly having a tilted or offset driveshaft
US11261667B2 (en) * 2015-03-24 2022-03-01 Baker Hughes, A Ge Company, Llc Self-adjusting directional drilling apparatus and methods for drilling directional wells
CN105156039A (zh) * 2015-07-07 2015-12-16 西南石油大学 一种主动伸缩式复合钻头
WO2017004691A1 (en) * 2015-07-09 2017-01-12 Halliburton Energy Services, Inc. Drilling apparatus with fixed and variable angular offsets
CN105178863B (zh) * 2015-09-16 2018-03-27 胜利油田盛辉石油技术开发有限责任公司 一种新型石油钻头
CN105317377B (zh) * 2015-11-17 2017-08-04 中国石油大学(华东) 中心差压式钻头
CN106812469A (zh) * 2015-11-27 2017-06-09 成都百施特金刚石钻头有限公司 双心井下扩眼工具体
US10626674B2 (en) 2016-02-16 2020-04-21 Xr Lateral Llc Drilling apparatus with extensible pad
US10907412B2 (en) 2016-03-31 2021-02-02 Schlumberger Technology Corporation Equipment string communication and steering
US10890030B2 (en) 2016-12-28 2021-01-12 Xr Lateral Llc Method, apparatus by method, and apparatus of guidance positioning members for directional drilling
US11255136B2 (en) 2016-12-28 2022-02-22 Xr Lateral Llc Bottom hole assemblies for directional drilling
CN106703701A (zh) * 2017-01-20 2017-05-24 中国石油大学(华东) 脉动冲击产生机构及含有该产生机构的中心差压钻头
EP3434858B1 (de) 2017-05-01 2022-09-21 Vermeer Manufacturing Company Doppelstangenrichtbohrsystem
WO2019014142A1 (en) 2017-07-12 2019-01-17 Extreme Rock Destruction, LLC LATERALLY ORIENTED CUTTING STRUCTURES
US11180962B2 (en) 2018-11-26 2021-11-23 Vermeer Manufacturing Company Dual rod directional drilling system
CN110671050B (zh) * 2019-09-29 2020-12-25 北京工业大学 指向式旋转导向钻井工具
US11795763B2 (en) 2020-06-11 2023-10-24 Schlumberger Technology Corporation Downhole tools having radially extendable elements
CN112593859A (zh) * 2020-11-08 2021-04-02 张新华 一种建筑施工用同心双轴旋转式土石方钻挖装置
CN113846972B (zh) * 2021-10-26 2023-08-11 国能神东煤炭集团有限责任公司 一种扩孔装置和扩孔方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2018007A (en) * 1933-12-19 1935-10-22 William G Brewster Sidetracking tool
US2179010A (en) * 1938-06-17 1939-11-07 Martha H Wright Well bit
US2284580A (en) * 1940-02-28 1942-05-26 Archer W Kammerer Well drilling bit
US3052838A (en) * 1957-09-23 1962-09-04 Sun Oil Co Bore hole logging apparatus
US3112442A (en) * 1960-02-19 1963-11-26 Sun Oil Co Bore hole logging apparatus having separate landing member means to position a recording instrument casing above a drill bit
US3429387A (en) * 1967-03-06 1969-02-25 Cicero C Brown Pump out drill bit
US3700049A (en) * 1970-10-02 1972-10-24 Inst Francais Du Petrole Device for connecting a drill bit to a drill string provided with a penetrometer
US4446935A (en) * 1979-03-28 1984-05-08 Reed Tool Company (Delaware) Intermittent high-drag oil well drilling bit
SU1049647A1 (ru) 1982-02-10 1983-10-23 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Буровой Техники Ступенчатый буровой снар д
US4932005A (en) * 1983-01-04 1990-06-05 Birdwell J C Fluid means for data transmission
AU2907484A (en) 1983-06-27 1985-01-03 N L Industries Inc. Drill stem logging system
GB2190411B (en) * 1986-05-16 1990-02-21 Shell Int Research Apparatus for directional drilling.
BE1003502A6 (nl) * 1989-04-28 1992-04-07 Smet Marc Jozef Maria Stuurbare boormol.
US4974688A (en) * 1989-07-11 1990-12-04 Public Service Company Of Indiana, Inc. Steerable earth boring device
DE3927625A1 (de) * 1989-08-22 1991-02-28 Gerhard Bihler Bohrkopf fuer meisseldirektantriebe
US5103919A (en) * 1990-10-04 1992-04-14 Amoco Corporation Method of determining the rotational orientation of a downhole tool
US5244050A (en) * 1992-04-06 1993-09-14 Rock Bit International, Inc. Rock bit with offset tool port
US5503236A (en) * 1993-09-03 1996-04-02 Baker Hughes Incorporated Swivel/tilting bit crown for earth-boring drills
CA2127476C (en) * 1994-07-06 1999-12-07 Daniel G. Pomerleau Logging or measurement while tripping
DE19626589C1 (de) * 1996-07-02 1998-02-12 Wirth Co Kg Masch Bohr Verfahren zum Niederbringen von Bohrlöchern im Lockergestein und Bohrwerkzeug zur Anwendung des Verfahrens
US6269891B1 (en) * 1998-09-21 2001-08-07 Shell Oil Company Through-drill string conveyed logging system
US6158529A (en) * 1998-12-11 2000-12-12 Schlumberger Technology Corporation Rotary steerable well drilling system utilizing sliding sleeve
US6218446B1 (en) 1999-01-11 2001-04-17 Dymax Corporation Radiation curable formulation for producing electrically conductive resinous material, method of use, and article produced

Also Published As

Publication number Publication date
WO2003008754A1 (en) 2003-01-30
NO20040173L (no) 2004-03-15
RU2317396C2 (ru) 2008-02-20
AR034780A1 (es) 2004-03-17
DE60206276T2 (de) 2006-05-11
CN100347397C (zh) 2007-11-07
RU2004104367A (ru) 2005-06-27
EP1407110A1 (de) 2004-04-14
EP1407110B1 (de) 2005-09-21
CA2453353C (en) 2010-06-22
US7207398B2 (en) 2007-04-24
CA2453353A1 (en) 2003-01-30
CN1617973A (zh) 2005-05-18
US20040238221A1 (en) 2004-12-02

Similar Documents

Publication Publication Date Title
DE60206276D1 (de) Lenkbare drehbohrmeisseleinrichtung mit pilotbohrer
DE60202097D1 (de) Lenkbares drehbohrwerkzeug
DE60210463D1 (de) Bohrrichtungssteuerungsvorrichtung
DE60225980D1 (de) Bohrlochbohrvorrichtung mit unabhängiger Strahlpumpe
NO20020594L (no) Borkroneanordning
DE60137190D1 (de) Hohlbohrwerkzeug
NO20026184D0 (no) Borekrone
DE60204559D1 (de) Bohreinsatzgeometrie mit spanspaltender kerbe
NO20030911D0 (no) Boremast
DE602004012452D1 (de) Bohrer mit schutzglied
FI20011235A0 (fi) Kallioporakone
DE10394164D2 (de) Tieflochbohrer EB800
DE50206710D1 (de) Gesteinsbohrer
DE10394152D2 (de) Tieflochbohrer EB90
DK1387923T3 (da) Borekrone
FR2808462B1 (fr) Foret de percage
DE50208574D1 (de) Gesteinsbohrwerkzeug
SE525251C8 (sv) Borrsträngschuck
DE50212781D1 (de) Bohrkrone
ATE287024T1 (de) Bohrkrone
DE60230974D1 (de) Bohrvorrichtung mit expandierbarer hülse
ATE399624T1 (de) Bohrwerkzeug
DK1274809T3 (da) Boremudder
NO20014799D0 (no) Borkrone
NO20031055D0 (no) Borkrone

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

R081 Change of applicant/patentee

Ref document number: 1407110

Country of ref document: EP

Owner name: THRUBIT B.V., NL

Free format text: FORMER OWNER: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V., DEN HAAG, NL

Effective date: 20110624

R082 Change of representative

Ref document number: 1407110

Country of ref document: EP

Representative=s name: ADVOTEC. PATENT- UND RECHTSANWAELTE, 80538 MUENCHE