NO20032103D0 - Apparat og metode for separering og sammenföyning av rör i en brönn - Google Patents

Apparat og metode for separering og sammenföyning av rör i en brönn

Info

Publication number
NO20032103D0
NO20032103D0 NO20032103A NO20032103A NO20032103D0 NO 20032103 D0 NO20032103 D0 NO 20032103D0 NO 20032103 A NO20032103 A NO 20032103A NO 20032103 A NO20032103 A NO 20032103A NO 20032103 D0 NO20032103 D0 NO 20032103D0
Authority
NO
Norway
Prior art keywords
separating
well
joining pipes
joining
pipes
Prior art date
Application number
NO20032103A
Other languages
English (en)
Other versions
NO20032103L (no
NO330617B1 (no
Inventor
Neil Andrew Abercrombi Simpson
Kevin Otto Trahan
Original Assignee
Weatherford Lamb
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 Weatherford Lamb filed Critical Weatherford Lamb
Publication of NO20032103D0 publication Critical patent/NO20032103D0/no
Publication of NO20032103L publication Critical patent/NO20032103L/no
Publication of NO330617B1 publication Critical patent/NO330617B1/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/10Setting of casings, screens, liners or the like in wells
    • E21B43/103Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • E21B43/105Expanding tools specially adapted therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/01Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B29/00Cutting 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
    • E21B29/002Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe
    • E21B29/005Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe with a radially-expansible cutter rotating inside the pipe, e.g. for cutting an annular window
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/13Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/14Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes
    • E21B33/146Stage cementing, i.e. discharging cement from casing at different levels

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Sawing (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Shearing Machines (AREA)
NO20032103A 2000-11-13 2003-05-09 Apparat og fremgangsmater for a kutte et ror i et bronnhull NO330617B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/712,789 US6598678B1 (en) 1999-12-22 2000-11-13 Apparatus and methods for separating and joining tubulars in a wellbore
PCT/GB2001/004950 WO2002038343A2 (en) 2000-11-13 2001-11-08 Apparatus and methods for separating and joining tubulars in a wellbore

Publications (3)

Publication Number Publication Date
NO20032103D0 true NO20032103D0 (no) 2003-05-09
NO20032103L NO20032103L (no) 2003-07-14
NO330617B1 NO330617B1 (no) 2011-05-30

Family

ID=24863568

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20032103A NO330617B1 (no) 2000-11-13 2003-05-09 Apparat og fremgangsmater for a kutte et ror i et bronnhull
NO20101524A NO332671B1 (no) 2000-11-13 2010-11-01 Apparat og fremgangsmater for a sammenfoye ror i et bronnhull

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO20101524A NO332671B1 (no) 2000-11-13 2010-11-01 Apparat og fremgangsmater for a sammenfoye ror i et bronnhull

Country Status (7)

Country Link
US (4) US6598678B1 (no)
EP (2) EP1333963B1 (no)
AU (3) AU1413702A (no)
CA (2) CA2428479C (no)
DE (1) DE60125972T2 (no)
NO (2) NO330617B1 (no)
WO (1) WO2002038343A2 (no)

Families Citing this family (125)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7357188B1 (en) 1998-12-07 2008-04-15 Shell Oil Company Mono-diameter wellbore casing
GB0106820D0 (en) * 2001-03-20 2001-05-09 Weatherford Lamb Tubing anchor
AU772327B2 (en) * 1998-12-22 2004-04-22 Weatherford Technology Holdings, Llc Procedures and equipment for profiling and jointing of pipes
AU770359B2 (en) * 1999-02-26 2004-02-19 Shell Internationale Research Maatschappij B.V. Liner hanger
GB9920936D0 (en) * 1999-09-06 1999-11-10 E2 Tech Ltd Apparatus for and a method of anchoring an expandable conduit
US7275602B2 (en) 1999-12-22 2007-10-02 Weatherford/Lamb, Inc. Methods for expanding tubular strings and isolating subterranean zones
US7373990B2 (en) * 1999-12-22 2008-05-20 Weatherford/Lamb, Inc. Method and apparatus for expanding and separating tubulars in a wellbore
US6598678B1 (en) * 1999-12-22 2003-07-29 Weatherford/Lamb, Inc. Apparatus and methods for separating and joining tubulars in a wellbore
EP1278932B1 (en) * 2000-05-05 2006-02-22 Weatherford/Lamb, Inc. Apparatus and methods for forming a lateral wellbore
US6799637B2 (en) 2000-10-20 2004-10-05 Schlumberger Technology Corporation Expandable tubing and method
GB0023032D0 (en) * 2000-09-20 2000-11-01 Weatherford Lamb Downhole apparatus
NO335594B1 (no) 2001-01-16 2015-01-12 Halliburton Energy Serv Inc Ekspanderbare anordninger og fremgangsmåte for disse
GB0114872D0 (en) * 2001-06-19 2001-08-08 Weatherford Lamb Tubing expansion
US6550539B2 (en) * 2001-06-20 2003-04-22 Weatherford/Lamb, Inc. Tie back and method for use with expandable tubulars
WO2004085790A2 (en) * 2003-03-27 2004-10-07 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
US7793721B2 (en) * 2003-03-11 2010-09-14 Eventure Global Technology, Llc Apparatus for radially expanding and plastically deforming a tubular member
US20060243444A1 (en) * 2003-04-02 2006-11-02 Brisco David P apparatus for radially expanding and plastically deforming a tubular member
AU2002343092A1 (en) * 2001-11-29 2003-06-17 Weatherford/Lamb, Inc. Expansion set liner hanger and method of setting same
US7051805B2 (en) * 2001-12-20 2006-05-30 Baker Hughes Incorporated Expandable packer with anchoring feature
US7661470B2 (en) * 2001-12-20 2010-02-16 Baker Hughes Incorporated Expandable packer with anchoring feature
WO2003089161A2 (en) 2002-04-15 2003-10-30 Enventure Global Technlogy Protective sleeve for threaded connections for expandable liner hanger
GB2402415B (en) * 2002-02-11 2005-10-12 Baker Hughes Inc Method of repair of collapsed or damaged tubulars downhole
GB0206256D0 (en) * 2002-03-16 2002-05-01 Downhole Products Plc Apparatus
US6668930B2 (en) * 2002-03-26 2003-12-30 Weatherford/Lamb, Inc. Method for installing an expandable coiled tubing patch
EP1985796B1 (en) 2002-04-12 2012-05-16 Enventure Global Technology Protective sleeve for threated connections for expandable liner hanger
GB0212696D0 (en) * 2002-05-31 2002-07-10 Weatherford Lamb Method of cutting tubulars
GB0215107D0 (en) * 2002-06-29 2002-08-07 Weatherford Lamb Bore-lining tubing
GB0215659D0 (en) 2002-07-06 2002-08-14 Weatherford Lamb Formed tubulars
WO2004011776A2 (en) * 2002-07-29 2004-02-05 Enventure Global Technology Method of forming a mono diameter wellbore casing
US7036600B2 (en) * 2002-08-01 2006-05-02 Schlumberger Technology Corporation Technique for deploying expandables
US6799635B2 (en) * 2002-08-13 2004-10-05 Halliburton Energy Services, Inc. Method of cementing a tubular string in a wellbore
WO2004027392A1 (en) 2002-09-20 2004-04-01 Enventure Global Technology Pipe formability evaluation for expandable tubulars
US7090006B2 (en) * 2002-11-05 2006-08-15 Conocophillips Company Replaceable liner for metal lined composite risers in offshore applications
US6834725B2 (en) * 2002-12-12 2004-12-28 Weatherford/Lamb, Inc. Reinforced swelling elastomer seal element on 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
WO2004079150A2 (en) * 2003-03-05 2004-09-16 Weatherford/Lamb, Inc. Full bore lined wellbores
GB2430953B (en) * 2003-03-11 2007-12-19 Enventure Global Technology Apparatus and method for cutting a tubular
GB2415988B (en) 2003-04-17 2007-10-17 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
EA007166B1 (ru) * 2003-04-25 2006-08-25 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Способ создания скважины в земном пласте
GB2401130B (en) * 2003-04-30 2006-11-01 Weatherford Lamb A traction apparatus
US7093656B2 (en) * 2003-05-01 2006-08-22 Weatherford/Lamb, Inc. Solid expandable hanger with compliant slip system
US7441606B2 (en) 2003-05-01 2008-10-28 Weatherford/Lamb, Inc. Expandable fluted liner hanger and packer system
US7028780B2 (en) * 2003-05-01 2006-04-18 Weatherford/Lamb, Inc. Expandable hanger with compliant slip system
GB0315251D0 (en) * 2003-06-30 2003-08-06 Bp Exploration Operating Device
US7712522B2 (en) 2003-09-05 2010-05-11 Enventure Global Technology, Llc Expansion cone and system
WO2005024170A2 (en) * 2003-09-05 2005-03-17 Enventure Global Technology, Llc Radial expansion system
US7308944B2 (en) * 2003-10-07 2007-12-18 Weatherford/Lamb, Inc. Expander tool for use in a wellbore
WO2005052304A1 (en) * 2003-11-14 2005-06-09 Bp Exploration Operating Company Limited Method for drilling and lining a wellbore
US7819185B2 (en) 2004-08-13 2010-10-26 Enventure Global Technology, Llc Expandable tubular
GB0422329D0 (en) * 2004-10-08 2004-11-10 Caledus Ltd Improved liner
RU2007132741A (ru) * 2005-01-31 2009-03-10 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (NL) Способ установки расширяемого трубчатого элемента в стволе скважины
US7370699B2 (en) * 2005-02-11 2008-05-13 Baker Hughes Incorporated One trip cemented expandable monobore liner system and method
AU2006213803B2 (en) * 2005-02-11 2010-10-21 Baker Hughes Incorporated One trip cemented expandable monobore liner system and method
NO342028B1 (no) * 2005-02-11 2018-03-12 Baker Hughes Inc Fremgangsmåte for enkeltturs fastgjøring og sementering av et ekspanderbart enkeltborings forlengingsrør
US7458422B2 (en) * 2005-02-11 2008-12-02 Baker Hughes Incorporated One trip cemented expandable monobore liner system and method
GB2439232B (en) * 2005-02-11 2010-09-01 Baker Hughes Inc Completion method
US7708060B2 (en) * 2005-02-11 2010-05-04 Baker Hughes Incorporated One trip cemented expandable monobore liner system and method
US7360592B2 (en) * 2005-04-20 2008-04-22 Baker Hughes Incorporated Compliant cladding seal/hanger
US20070000664A1 (en) * 2005-06-30 2007-01-04 Weatherford/Lamb, Inc. Axial compression enhanced tubular expansion
US8069916B2 (en) 2007-01-03 2011-12-06 Weatherford/Lamb, Inc. System and methods for tubular expansion
US7635021B2 (en) * 2007-02-05 2009-12-22 Baker Hughes Incorporated Downhole cutting tool using a single piece tubular with a radially displaceable portion
US7661473B2 (en) * 2007-03-13 2010-02-16 Baker Hughes Incorporated Expansion enhancement device
US7644763B2 (en) * 2007-03-26 2010-01-12 Baker Hughes Incorporated Downhole cutting tool and method
US8146682B2 (en) * 2007-04-04 2012-04-03 Weatherford/Lamb, Inc. Apparatus and methods of milling a restricted casing shoe
EP2140101B1 (en) * 2007-04-26 2012-09-05 Welltec A/S Cladding method and expansion tool
WO2009016346A2 (en) * 2007-07-27 2009-02-05 Expro North Sea Limited Deployment system
US7757754B2 (en) * 2007-08-24 2010-07-20 Baker Hughes Incorporated Combination motor casing and spear
US20100032167A1 (en) * 2008-08-08 2010-02-11 Adam Mark K Method for Making Wellbore that Maintains a Minimum Drift
WO2010065994A1 (en) * 2008-12-08 2010-06-17 Well Ops Sea Pty Ltd Subsea severing of stringer casings
GB0911672D0 (en) * 2009-07-06 2009-08-12 Tunget Bruce A Through tubing cable rotary system
US8453729B2 (en) 2009-04-02 2013-06-04 Key Energy Services, Llc Hydraulic setting assembly
US8684096B2 (en) * 2009-04-02 2014-04-01 Key Energy Services, Llc Anchor assembly and method of installing anchors
US9303477B2 (en) 2009-04-02 2016-04-05 Michael J. Harris Methods and apparatus for cementing wells
US8469097B2 (en) * 2009-05-14 2013-06-25 Baker Hughes Incorporated Subterranean tubular cutter with depth of cut feature
US20110308793A1 (en) * 2010-06-17 2011-12-22 Vetco Gray Inc. High integrity hanger and seal for casing
GB2483675A (en) * 2010-09-16 2012-03-21 Bruce Arnold Tunget Shock absorbing conductor orientation housing
WO2012031353A1 (en) 2010-09-09 2012-03-15 National Oilwell Varco, L.P. Downhole rotary drilling apparatus with formation-interfacing members and control system
US8869916B2 (en) 2010-09-09 2014-10-28 National Oilwell Varco, L.P. Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter
US8857514B2 (en) * 2011-03-16 2014-10-14 Baker Hughes Incorporated Method and systems to sever wellbore devices and elements
US20120261134A1 (en) * 2011-04-15 2012-10-18 Vetco Gray Inc. Wellhead wicker repair tool
US8678083B2 (en) 2011-04-18 2014-03-25 Baker Hughes Incorporated Expandable liner hanger with helically shaped slips
US8869896B2 (en) * 2011-05-13 2014-10-28 Baker Hughes Incorporated Multi-position mechanical spear for multiple tension cuts while removing cuttings
US8881819B2 (en) 2011-05-16 2014-11-11 Baker Hughes Incorporated Tubular cutting with a sealed annular space and fluid flow for cuttings removal
US8881818B2 (en) 2011-05-16 2014-11-11 Baker Hughes Incorporated Tubular cutting with debris filtration
EP2530238B3 (en) * 2011-05-31 2023-10-04 Welltec A/S Downhole tubing cutter tool
US10036221B2 (en) * 2011-08-22 2018-07-31 Downhole Technology, Llc Downhole tool and method of use
US10316617B2 (en) 2011-08-22 2019-06-11 Downhole Technology, Llc Downhole tool and system, and method of use
US9777551B2 (en) 2011-08-22 2017-10-03 Downhole Technology, Llc Downhole system for isolating sections of a wellbore
CN103717828B (zh) 2011-08-22 2016-08-17 井下技术有限责任公司 井下工具以及使用方法
US10246967B2 (en) 2011-08-22 2019-04-02 Downhole Technology, Llc Downhole system for use in a wellbore and method for the same
US10570694B2 (en) 2011-08-22 2020-02-25 The Wellboss Company, Llc Downhole tool and method of use
US9896899B2 (en) 2013-08-12 2018-02-20 Downhole Technology, Llc Downhole tool with rounded mandrel
US9567827B2 (en) 2013-07-15 2017-02-14 Downhole Technology, Llc Downhole tool and method of use
US8985230B2 (en) 2011-08-31 2015-03-24 Baker Hughes Incorporated Resettable lock for a subterranean tool
US8893791B2 (en) 2011-08-31 2014-11-25 Baker Hughes Incorporated Multi-position mechanical spear for multiple tension cuts with releasable locking feature
NO336371B1 (no) * 2012-02-28 2015-08-10 West Production Technology As Mateanordning for nedihullsverktøy samt framgangsmåte for aksiell mating av et nedihullsverktøy
US20130306316A1 (en) * 2012-05-21 2013-11-21 Schlumberger Technology Corporation Separable completion architecture
USD740089S1 (en) * 2013-11-04 2015-10-06 Lincoln Industrial Corporation Electric grease gun
US10327890B2 (en) * 2014-01-22 2019-06-25 Biotronik Ag Thermochemically treated miniature tubes as semifinished products for vascular stents
GB2523174B (en) * 2014-02-17 2018-02-28 Statoil Petroleum As Control cable removal
US9890604B2 (en) 2014-04-04 2018-02-13 Owen Oil Tools Lp Devices and related methods for actuating wellbore tools with a pressurized gas
DK3143240T3 (da) 2014-05-16 2019-07-29 Aarbakke Innovation A S Rørformet multifunktionspenetreringsredskab til brøndboring
RU2582613C1 (ru) * 2015-03-13 2016-04-27 Игорь Александрович Малыхин Пакер с расширяемым патрубком для разобщения и герметизации эксплуатационной колонны
WO2016168782A1 (en) 2015-04-17 2016-10-20 Downhole Technology, Llc Tool and system for downhole operations and methods for the same
WO2017001391A1 (en) 2015-07-01 2017-01-05 Shell Internationale Research Maatschappij B.V. Hybrid push and pull method and system for expanding well tubulars
AU2017293401A1 (en) 2016-07-05 2018-03-08 The Wellboss Company, Llc Composition of matter and use thereof
NO20161434A1 (en) * 2016-09-09 2018-03-12 Tyrfing Innovation As A hole forming tool
CA3000323C (en) 2016-11-17 2021-01-05 Downhole Technology, Llc Downhole tool and method of use
US10422441B2 (en) 2017-01-09 2019-09-24 Tt Technologies, Inc. Pipe loosening device and method
US11536107B2 (en) 2017-09-21 2022-12-27 Schlumberger Technology Corporation Systems and methods for downhole service tools
US10753166B2 (en) * 2017-10-06 2020-08-25 Baker Hughes, A Ge Company, Llc Load reduction device and method for reducing load on power cable coiled tubing
US11078739B2 (en) 2018-04-12 2021-08-03 The Wellboss Company, Llc Downhole tool with bottom composite slip
WO2019209615A1 (en) 2018-04-23 2019-10-31 Downhole Technology, Llc Downhole tool with tethered ball
US10934796B2 (en) * 2018-05-10 2021-03-02 Deep Casing Tools, Ltd. Method for removing casing from a wellbore
WO2020013949A1 (en) 2018-07-13 2020-01-16 Kingdom Downhole Tools, Llc One run setting tool
WO2020056185A1 (en) 2018-09-12 2020-03-19 The Wellboss Company, Llc Setting tool assembly
US11230909B2 (en) * 2018-10-19 2022-01-25 Mohawk Energy, Ltd. Expandable liner hanger
CA3154895A1 (en) 2019-10-16 2021-04-22 Gabriel Slup Downhole tool and method of use
WO2021076899A1 (en) 2019-10-16 2021-04-22 The Wellboss Company, Llc Downhole tool and method of use
US11255160B2 (en) * 2019-12-09 2022-02-22 Saudi Arabian Oil Company Unblocking wellbores
GB2604322A (en) * 2021-01-08 2022-09-07 Abrado Inc Downhole tubular milling apparatus
EP4359635A1 (en) 2021-06-25 2024-05-01 Services Pétroliers Schlumberger Cutting tool and controls for downhole mechanical services
US12084934B2 (en) 2021-06-25 2024-09-10 Schlumberger Technology Corporation Slot cutter system and operations
WO2023034388A1 (en) 2021-08-31 2023-03-09 Schlumberger Technology Corporation Downhole tool for jarring
US20240151123A1 (en) * 2022-11-09 2024-05-09 Halliburton Energy Services, Inc. Two-Stage Expandable Liner Hanger

Family Cites Families (186)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1324303A (en) 1919-12-09 Mfe-cutteb
US553679A (en) * 1896-01-28 Glass-press
DE225326C (no) *
US761518A (en) 1903-08-19 1904-05-31 Henry G Lykken Tube expanding, beading, and cutting tool.
GB190514073A (en) * 1905-07-08 1906-05-31 Adolph Julius Lehmann Improvements in or connected with the Preservation of Food.
US988054A (en) 1910-06-01 1911-03-28 Eugene Wiet Beading-tool for boiler-tubes.
US1233888A (en) 1916-09-01 1917-07-17 Frank W A Finley Art of well-producing or earth-boring.
US1301285A (en) 1916-09-01 1919-04-22 Frank W A Finley Expansible well-casing.
US1358818A (en) 1920-04-07 1920-11-16 Bering Robert Ellis Casing-cutter
US1545039A (en) 1923-11-13 1925-07-07 Henry E Deavers Well-casing straightening tool
US1569729A (en) 1923-12-27 1926-01-12 Reed Roller Bit Co Tool for straightening well casings
US1561418A (en) 1924-01-26 1925-11-10 Reed Roller Bit Co Tool for straightening tubes
US1597212A (en) 1924-10-13 1926-08-24 Arthur F Spengler Casing roller
US1739932A (en) 1925-05-18 1929-12-17 Ventresca Ercole Inside casing cutter
US1809988A (en) * 1927-07-06 1931-06-16 Edward F Raymond Underreamer
US1750627A (en) * 1928-10-15 1930-03-18 H C Smith Mfg Company Expansible underreamer
US1880218A (en) 1930-10-01 1932-10-04 Richard P Simmons Method of lining oil wells and means therefor
US1930825A (en) 1932-04-28 1933-10-17 Edward F Raymond Combination swedge
US1952652A (en) 1932-11-05 1934-03-27 Robert D Brannon Well pipe cutter
US2017451A (en) 1933-11-21 1935-10-15 Baash Ross Tool Co Packing casing bowl
US1981525A (en) 1933-12-05 1934-11-20 Bailey E Price Method of and apparatus for drilling oil wells
US2216226A (en) 1937-08-19 1940-10-01 Gen Shoe Corp Shoe
US2214226A (en) 1939-03-29 1940-09-10 English Aaron Method and apparatus useful in drilling and producing wells
US2383214A (en) 1943-05-18 1945-08-21 Bessie Pugsley Well casing expander
US2424878A (en) 1944-10-28 1947-07-29 Reed Roller Bit Co Method of bonding a liner within a bore
US2499630A (en) 1946-12-05 1950-03-07 Paul B Clark Casing expander
US2633374A (en) 1948-10-01 1953-03-31 Reed Roller Bit Co Coupling member
US2519116A (en) 1948-12-28 1950-08-15 Shell Dev Deformable packer
US2754577A (en) 1950-11-22 1956-07-17 Babcock & Wilcox Co Method of making a pipe line
US2627891A (en) 1950-11-28 1953-02-10 Paul B Clark Well pipe expander
US2663073A (en) 1952-03-19 1953-12-22 Acrometal Products Inc Method of forming spools
US2695449A (en) 1952-10-28 1954-11-30 Willie L Chauvin Subsurface pipe cutter for drill pipes
GB730338A (en) 1953-03-28 1955-05-18 Daniel Adamson & Company Ltd Improvements in and relating to tube expanders
US2898971A (en) 1955-05-11 1959-08-11 Mcdowell Mfg Co Roller expanding and peening tool
GB792886A (en) 1956-04-13 1958-04-02 Fritz Huntsinger Well pipe and flexible joints therefor
US3087546A (en) 1958-08-11 1963-04-30 Brown J Woolley Methods and apparatus for removing defective casing or pipe from well bores
US3028915A (en) 1958-10-27 1962-04-10 Pan American Petroleum Corp Method and apparatus for lining wells
US3039530A (en) 1959-08-26 1962-06-19 Elmo L Condra Combination scraper and tube reforming device and method of using same
BE621348A (no) 1961-08-25
US3191680A (en) 1962-03-14 1965-06-29 Pan American Petroleum Corp Method of setting metallic liners in wells
US3186485A (en) 1962-04-04 1965-06-01 Harrold D Owen Setting tool devices
US3167122A (en) 1962-05-04 1965-01-26 Pan American Petroleum Corp Method and apparatus for repairing casing
US3203483A (en) 1962-08-09 1965-08-31 Pan American Petroleum Corp Apparatus for forming metallic casing liner
US3203451A (en) 1962-08-09 1965-08-31 Pan American Petroleum Corp Corrugated tube for lining wells
US3179168A (en) 1962-08-09 1965-04-20 Pan American Petroleum Corp Metallic casing liner
US3188850A (en) 1963-02-21 1965-06-15 Carrier Corp Tube expander tool
US3245471A (en) 1963-04-15 1966-04-12 Pan American Petroleum Corp Setting casing in wells
US3191677A (en) 1963-04-29 1965-06-29 Myron M Kinley Method and apparatus for setting liners in tubing
US3195646A (en) 1963-06-03 1965-07-20 Brown Oil Tools Multiple cone liner hanger
US3354955A (en) 1964-04-24 1967-11-28 William B Berry Method and apparatus for closing and sealing openings in a well casing
US3326293A (en) 1964-06-26 1967-06-20 Wilson Supply Company Well casing repair
US3297092A (en) 1964-07-15 1967-01-10 Pan American Petroleum Corp Casing patch
US3353599A (en) 1964-08-04 1967-11-21 Gulf Oil Corp Method and apparatus for stabilizing formations
GB1143590A (no) 1965-04-14
US3376927A (en) * 1965-11-29 1968-04-09 Joe R. Brown Pipe cutting apparatus and methods
US3498376A (en) 1966-12-29 1970-03-03 Phillip S Sizer Well apparatus and setting tool
GB1277461A (en) 1968-06-05 1972-06-14 Wadsworth Walton Mount Method and apparatus for joining ends of pipe sections by driven force fit and joints formed thereby
US3477506A (en) 1968-07-22 1969-11-11 Lynes Inc Apparatus relating to fabrication and installation of expanded members
US3489220A (en) 1968-08-02 1970-01-13 J C Kinley Method and apparatus for repairing pipe in wells
DE1911697C3 (de) 1969-03-03 1974-03-21 6600 Saarbruecken Lösbare Verbindung für der Bohrpfahlherstellung dienende Bohrrohre
US3583200A (en) 1969-05-19 1971-06-08 Grotnes Machine Works Inc Expanding head and improved seal therefor
US3780562A (en) 1970-01-16 1973-12-25 J Kinley Device for expanding a tubing liner
US3691624A (en) 1970-01-16 1972-09-19 John C Kinley Method of expanding a liner
US3669190A (en) 1970-12-21 1972-06-13 Otis Eng Corp Methods of completing a well
US3785193A (en) 1971-04-10 1974-01-15 Kinley J Liner expanding apparatus
US3746091A (en) 1971-07-26 1973-07-17 H Owen Conduit liner for wellbore
US3712376A (en) 1971-07-26 1973-01-23 Gearhart Owen Industries Conduit liner for wellbore and method and apparatus for setting same
US3820370A (en) 1972-07-14 1974-06-28 E Duffy Beading tool
US3776307A (en) 1972-08-24 1973-12-04 Gearhart Owen Industries Apparatus for setting a large bore packer in a well
US3818734A (en) 1973-05-23 1974-06-25 J Bateman Casing expanding mandrel
FR2234448B1 (no) 1973-06-25 1977-12-23 Petroles Cie Francaise
US3924433A (en) 1973-07-09 1975-12-09 Dresser Ind Stop collar for tube expander
US3948321A (en) 1974-08-29 1976-04-06 Gearhart-Owen Industries, Inc. Liner and reinforcing swage for conduit in a wellbore and method and apparatus for setting same
US3911707A (en) 1974-10-08 1975-10-14 Anatoly Petrovich Minakov Finishing tool
US3977076A (en) 1975-10-23 1976-08-31 One Michigan Avenue Corporation Internal pipe cutting tool
US4069573A (en) 1976-03-26 1978-01-24 Combustion Engineering, Inc. Method of securing a sleeve within a tube
US4183555A (en) 1976-04-02 1980-01-15 Martin Charles F Methods and joints for connecting tubular members
US4127168A (en) 1977-03-11 1978-11-28 Exxon Production Research Company Well packers using metal to metal seals
US4319393A (en) 1978-02-17 1982-03-16 Texaco Inc. Methods of forming swages for joining two small tubes
US4159564A (en) 1978-04-14 1979-07-03 Westinghouse Electric Corp. Mandrel for hydraulically expanding a tube into engagement with a tubesheet
US4429620A (en) 1979-02-22 1984-02-07 Exxon Production Research Co. Hydraulically operated actuator
US4311194A (en) 1979-08-20 1982-01-19 Otis Engineering Corporation Liner hanger and running and setting tool
US4371199A (en) 1980-01-31 1983-02-01 General Electric Company Crimped tube joint
US4362324A (en) 1980-03-24 1982-12-07 Haskel Engineering & Supply Company Jointed high pressure conduit
US4359889A (en) 1980-03-24 1982-11-23 Haskel Engineering & Supply Company Self-centering seal for use in hydraulically expanding tubes
US4288082A (en) 1980-04-30 1981-09-08 Otis Engineering Corporation Well sealing system
US4349050A (en) 1980-09-23 1982-09-14 Carbide Blast Joints, Inc. Blast joint for subterranean wells
US4324407A (en) 1980-10-06 1982-04-13 Aeroquip Corporation Pressure actuated metal-to-metal seal
US4414739A (en) 1980-12-19 1983-11-15 Haskel, Incorporated Apparatus for hydraulically forming joints between tubes and tube sheets
US4382379A (en) 1980-12-22 1983-05-10 Haskel Engineering And Supply Co. Leak detection apparatus and method for use with tube and tube sheet joints
US4483399A (en) 1981-02-12 1984-11-20 Colgate Stirling A Method of deep drilling
US4387502A (en) 1981-04-06 1983-06-14 The National Machinery Company Semi-automatic tool changer
US4567631A (en) 1981-04-20 1986-02-04 Haskel, Inc. Method for installing tubes in tube sheets
US4393931A (en) 1981-04-27 1983-07-19 Baker International Corporation Combination hydraulically set hanger assembly with expansion joint
US4389765A (en) 1981-05-04 1983-06-28 Crutcher Resources Corporation Piling removal
SU976019A1 (ru) * 1981-05-13 1982-11-23 Всесоюзный научно-исследовательский институт по креплению скважин и буровым растворам Способ установки пластыр из гофрированного патрубка
US4407150A (en) 1981-06-08 1983-10-04 Haskel Engineering & Supply Company Apparatus for supplying and controlling hydraulic swaging pressure
US4445201A (en) 1981-11-30 1984-04-24 International Business Machines Corporation Simple amplifying system for a dense memory array
US4502308A (en) 1982-01-22 1985-03-05 Haskel, Inc. Swaging apparatus having elastically deformable members with segmented supports
DE3213464A1 (de) 1982-04-10 1983-10-13 Schaubstahl-Werke, 5910 Kreuztal Vorrichtung zum einschneiden von laengsschlitzen in den umfang von brunnenrohren
US4487630A (en) 1982-10-25 1984-12-11 Cabot Corporation Wear-resistant stainless steel
JPS59129854A (ja) 1983-01-18 1984-07-26 Dainippon Screen Mfg Co Ltd 画像走査記録時における光量補正方法
US4470280A (en) 1983-05-16 1984-09-11 Haskel, Inc. Swaging apparatus with timed pre-fill
US4626129A (en) 1983-07-27 1986-12-02 Antonius B. Kothman Sub-soil drainage piping
US4505142A (en) 1983-08-12 1985-03-19 Haskel, Inc. Flexible high pressure conduit and hydraulic tool for swaging
US4505612A (en) 1983-08-15 1985-03-19 Allis-Chalmers Corporation Air admission apparatus for water control gate
US4531581A (en) 1984-03-08 1985-07-30 Camco, Incorporated Piston actuated high temperature well packer
US5181570A (en) * 1984-05-10 1993-01-26 Mwl Tool Company Liner hanger assembly
US4588030A (en) 1984-09-27 1986-05-13 Camco, Incorporated Well tool having a metal seal and bi-directional lock
US4697640A (en) 1986-01-16 1987-10-06 Halliburton Company Apparatus for setting a high temperature packer
GB8624112D0 (en) 1986-10-08 1986-11-12 Petroline Wireline Services Quick-locking connector
GB2207157B (en) 1987-07-07 1991-05-29 Petroline Wireline Services Downhole lock assembly
US4807704A (en) 1987-09-28 1989-02-28 Atlantic Richfield Company System and method for providing multiple wells from a single wellbore
SU1679030A1 (ru) 1988-01-21 1991-09-23 Татарский Государственный Научно-Исследовательский И Проектный Институт Нефтяной Промышленности Способ изол ции зон осложнений в скважине профильными перекрывател ми
GB2216926B (en) 1988-04-06 1992-08-12 Jumblefierce Limited Drilling method and apparatus
US4848462A (en) 1988-05-09 1989-07-18 Lindsey Completion Systems, Inc. Rotatable liner hanger
US4862966A (en) * 1988-05-16 1989-09-05 Lindsey Completion Systems, Inc. Liner hanger with collapsible ball valve seat
US4848469A (en) 1988-06-15 1989-07-18 Baker Hughes Incorporated Liner setting tool and method
US4866966A (en) 1988-08-29 1989-09-19 Monroe Auto Equipment Company Method and apparatus for producing bypass grooves
US5014779A (en) 1988-11-22 1991-05-14 Meling Konstantin V Device for expanding pipes
JPH03503792A (ja) * 1988-11-22 1991-08-22 タタルスキー、ゴスダルストウェンヌイ、ナウチノ‐イスレドワーチェルスキー、イ、プロエクトヌイ、インスチツート、ネフチャノイ、プロムイシュレンノスチ さく井用リーマ
US4997320A (en) 1989-08-18 1991-03-05 Hwang Biing Yih Tool for forming a circumferential projection in a pipe
DE3942438A1 (de) 1989-12-22 1991-07-11 Eastman Christensen Co Vorrichtung zum bohren einer neben- oder ablenkbohrung eines insbesondere verrohrten bohrlochs
GB2241264B (en) 1990-02-22 1994-07-13 Petroline Wireline Services Anti-blow-out control apparatus
US5086845A (en) * 1990-06-29 1992-02-11 Baker Hughes Incorporated Liner hanger assembly
US5048612A (en) * 1990-09-10 1991-09-17 Lindsey Completion Systems, Inc. Double nut setting tool and linger hanger assembly
US5052483A (en) 1990-11-05 1991-10-01 Bestline Liner Systems Sand control adapter
US5098225A (en) 1990-12-31 1992-03-24 Brooklyn Union Gas Cutting/expanding tool
GB9106738D0 (en) 1991-03-28 1991-05-15 Petroline Wireline Services Upstroke jar
US5271472A (en) 1991-08-14 1993-12-21 Atlantic Richfield Company Drilling with casing and retrievable drill bit
GB9118408D0 (en) 1991-08-28 1991-10-16 Petroline Wireline Services Lock mandrel for downhole assemblies
DE4133802C1 (en) 1991-10-12 1992-10-22 Manfred 5210 Troisdorf De Hawerkamp Thermoplastics thrust pipe - has respective plug and socket ends with opposed angle cone design so it can mate with next section
US5242017A (en) * 1991-12-27 1993-09-07 Hailey Charles D Cutter blades for rotary tubing tools
US5201817A (en) 1991-12-27 1993-04-13 Hailey Charles D Downhole cutting tool
US5366012A (en) 1992-06-09 1994-11-22 Shell Oil Company Method of completing an uncased section of a borehole
MY108743A (en) 1992-06-09 1996-11-30 Shell Int Research Method of greating a wellbore in an underground formation
US5322127C1 (en) 1992-08-07 2001-02-06 Baker Hughes Inc Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells
US5301760C1 (en) 1992-09-10 2002-06-11 Natural Reserve Group Inc Completing horizontal drain holes from a vertical well
US5307879A (en) 1993-01-26 1994-05-03 Abb Vetco Gray Inc. Positive lockdown for metal seal
US5887668A (en) 1993-09-10 1999-03-30 Weatherford/Lamb, Inc. Wellbore milling-- drilling
FR2717855B1 (fr) * 1994-03-23 1996-06-28 Drifflex Procédé pour rendre étanche la liaison entre un chemisage intérieur d'une part, et un puits de forage, un tubage ou une canalisation extérieure d'autre part.
US5472057A (en) 1994-04-11 1995-12-05 Atlantic Richfield Company Drilling with casing and retrievable bit-motor assembly
US5435400B1 (en) 1994-05-25 1999-06-01 Atlantic Richfield Co Lateral well drilling
GB9411228D0 (en) 1994-06-04 1994-07-27 Camco Drilling Group Ltd A modulated bias unit for rotary drilling
US5544977A (en) * 1994-06-24 1996-08-13 Lone Star Gas Company Polymeric pipe splitter, replacement tool and method
US5467826A (en) * 1994-09-30 1995-11-21 Marathon Oil Company Oilfield tubing string integrally enclosing a fluid production or injection tube and a service line
GB2296555B (en) 1994-11-30 1999-03-10 Petroline Wireline Services Improvements in and relating to valves
ZA96241B (en) 1995-01-16 1996-08-14 Shell Int Research Method of creating a casing in a borehole
MY119502A (en) 1995-02-23 2005-06-30 Shell Int Research Downhole tool
GB9503830D0 (en) 1995-02-25 1995-04-19 Camco Drilling Group Ltd "Improvements in or relating to steerable rotary drilling systems"
US5560426A (en) 1995-03-27 1996-10-01 Baker Hughes Incorporated Downhole tool actuating mechanism
GB9510465D0 (en) 1995-05-24 1995-07-19 Petroline Wireline Services Connector assembly
US5901787A (en) 1995-06-09 1999-05-11 Tuboscope (Uk) Ltd. Metal sealing wireline plug
FR2735523B1 (fr) 1995-06-13 1997-07-25 Inst Francais Du Petrole Methode et dispositif de tubage de puits avec un tube en composite
UA67719C2 (en) 1995-11-08 2004-07-15 Shell Int Research Deformable well filter and method for its installation
GB9600103D0 (en) * 1996-01-04 1996-03-06 Nodeco Ltd Improvements to offshore drilling apparatus
GB9605801D0 (en) * 1996-03-20 1996-05-22 Head Philip A casing and method of installing the casing in a well and apparatus therefore
US5685369A (en) 1996-05-01 1997-11-11 Abb Vetco Gray Inc. Metal seal well packer
GB2313860B (en) 1996-06-06 2000-11-01 Paul Bernard Lee Adjustable roller reamer
US5791409A (en) * 1996-09-09 1998-08-11 Baker Hughes Incorporated Hydro-mechanical multi-string cutter
US5979571A (en) 1996-09-27 1999-11-09 Baker Hughes Incorporated Combination milling tool and drill bit
US5785120A (en) 1996-11-14 1998-07-28 Weatherford/Lamb, Inc. Tubular patch
CA2224668C (en) 1996-12-14 2004-09-21 Baker Hughes Incorporated Method and apparatus for hybrid element casing packer for cased-hole applications
MY122241A (en) 1997-08-01 2006-04-29 Shell Int Research Creating zonal isolation between the interior and exterior of a well system
US6029748A (en) 1997-10-03 2000-02-29 Baker Hughes Incorporated Method and apparatus for top to bottom expansion of tubulars
US6021850A (en) 1997-10-03 2000-02-08 Baker Hughes Incorporated Downhole pipe expansion apparatus and method
US6098717A (en) 1997-10-08 2000-08-08 Formlock, Inc. Method and apparatus for hanging tubulars in wells
GB9723031D0 (en) * 1997-11-01 1998-01-07 Petroline Wellsystems Ltd Downhole tubing location method
GB9724335D0 (en) * 1997-11-19 1998-01-14 Engineering With Excellence Sc Expandable slotted tube
US6354373B1 (en) 1997-11-26 2002-03-12 Schlumberger Technology Corporation Expandable tubing for a well bore hole and method of expanding
US6073692A (en) * 1998-03-27 2000-06-13 Baker Hughes Incorporated Expanding mandrel inflatable packer
EP0952305A1 (en) 1998-04-23 1999-10-27 Shell Internationale Researchmaatschappij B.V. Deformable tube
US6135208A (en) 1998-05-28 2000-10-24 Halliburton Energy Services, Inc. Expandable wellbore junction
DE69928007D1 (de) * 1998-12-22 2005-12-01 Weatherford Lamb Abdichtanordnung für futterrohr
AU772327B2 (en) * 1998-12-22 2004-04-22 Weatherford Technology Holdings, Llc Procedures and equipment for profiling and jointing of pipes
AU770359B2 (en) * 1999-02-26 2004-02-19 Shell Internationale Research Maatschappij B.V. Liner hanger
US6598677B1 (en) 1999-05-20 2003-07-29 Baker Hughes Incorporated Hanging liners by pipe expansion
US6325148B1 (en) * 1999-12-22 2001-12-04 Weatherford/Lamb, Inc. Tools and methods for use with expandable tubulars
US6598678B1 (en) * 1999-12-22 2003-07-29 Weatherford/Lamb, Inc. Apparatus and methods for separating and joining tubulars in a wellbore
AU780123B2 (en) 2000-02-18 2005-03-03 Shell Oil Company Expanding a tubular member
FR2808557B1 (fr) 2000-05-03 2002-07-05 Schlumberger Services Petrol Procede et dispositif pour la regulation du debit des fluides de formation produits par un puits petrolier ou analogue
EP1278932B1 (en) * 2000-05-05 2006-02-22 Weatherford/Lamb, Inc. Apparatus and methods for forming a lateral wellbore
US6662876B2 (en) 2001-03-27 2003-12-16 Weatherford/Lamb, Inc. Method and apparatus for downhole tubular expansion
US6648075B2 (en) * 2001-07-13 2003-11-18 Weatherford/Lamb, Inc. Method and apparatus for expandable liner hanger with bypass
US6688395B2 (en) * 2001-11-02 2004-02-10 Weatherford/Lamb, Inc. Expandable tubular having improved polished bore receptacle protection
US6668930B2 (en) * 2002-03-26 2003-12-30 Weatherford/Lamb, Inc. Method for installing an expandable coiled tubing patch

Also Published As

Publication number Publication date
US20030106698A1 (en) 2003-06-12
AU2006225238B2 (en) 2008-10-09
US6899181B2 (en) 2005-05-31
NO20032103L (no) 2003-07-14
WO2002038343A3 (en) 2003-04-24
NO330617B1 (no) 2011-05-30
US7004257B2 (en) 2006-02-28
US6598678B1 (en) 2003-07-29
NO332671B1 (no) 2012-12-03
EP1333963B1 (en) 2007-01-10
WO2002038343A2 (en) 2002-05-16
EP1659259A1 (en) 2006-05-24
CA2428479A1 (en) 2002-05-16
AU1413702A (en) 2002-05-21
AU2006225238A1 (en) 2006-10-26
DE60125972D1 (de) 2007-02-22
EP1659259B1 (en) 2011-12-21
AU2002214137B2 (en) 2007-01-04
EP1333963A2 (en) 2003-08-13
CA2537867C (en) 2007-03-20
US20030188868A1 (en) 2003-10-09
US20050077046A1 (en) 2005-04-14
US6851475B2 (en) 2005-02-08
CA2428479C (en) 2006-07-04
CA2537867A1 (en) 2002-05-16
DE60125972T2 (de) 2007-10-11
NO20101524L (no) 2003-07-14

Similar Documents

Publication Publication Date Title
NO20032103D0 (no) Apparat og metode for separering og sammenföyning av rör i en brönn
NO20024946D0 (no) Apparat og metode for utforming av en sidebrönn
NO20054235D0 (no) Apparat og fremgangsmate for a sammenfore rorender
NO20020834D0 (no) Fremgangsmåte og apparat for kommunikasjon i en brönn
NO20031732L (no) Fremgangsmåte og apparat for detektering av jernendringer i rör i et borehull
NO20031973D0 (no) Fremgangsmåte og apparat for en havbunnstilegnelsesteknikk
NO20023631D0 (no) Apparat og fremgangsmåte for brönnboring
NO20034461D0 (no) Apparat for nedihulls operasjon og fremgangsmåte for utvidelse av et rör
NO20030403D0 (no) Metode og apparat for dannelse av lateral brönn
DK2103960T3 (da) Metode og anordning til bestemmelse af en position i et rør
NO20034117D0 (no) Fremgangsmåte og anordning for reparasjon av et rör
DK1196974T3 (da) Fremgangsmåde og apparat til opdeling af en ledningskanal i sektioner
NO331123B1 (no) Setteverktoy og apparat for setting av et forlengingsror i et borehull
DK0977621T3 (da) Fremgangsmåde og anordning til separation af et fluid i en brønd
NO20020727D0 (no) Fremgangsmåte og anordning for sammenkopling av brönnverktöy i sammenhengende rörstenger
NO20052747D0 (no) Fremgangsmate og apparat for ekspandering og separering av rorlengder i et borehull
NO20030863D0 (no) Metode og apparat for brönnsementering
NO20030668L (no) Apparat og fremgangsmåte for telemetri
NO20030076D0 (no) Apparat og metode for orientering av en rörstreng i en ikke- vertikal brönn
NO20030023D0 (no) Apparat og fremgangsmåte for fluidseparasjon
NO20011231D0 (no) FremgangsmÕte og anordning for separering av fraksjoner i en materialstrøm
FI20002798A0 (fi) Menetelmä ja laitteisto putkien valmistamiseksi
NO20003365L (no) Apparat og fremgangsmÕte for fresing gjennom en ledekile i et borehull
NO20000928D0 (no) Fremgangsmåte og anordning for sammenføyning
NO20013657L (no) Fremgangsmåte og anordning for formasjonsisolasjon i en brönn

Legal Events

Date Code Title Description
CHAD Change of the owner's name or address (par. 44 patent law, par. patentforskriften)

Owner name: WEATHERFORD TECHNOLOGY HOLDINGS, US

CREP Change of representative

Representative=s name: BRYN AARFLOT AS, STORTINGSGATA 8, 0161 OSLO, NORGE

MM1K Lapsed by not paying the annual fees