NO20020558L - Innretning for optimalisering av produksjonen av flerfasefluid - Google Patents

Innretning for optimalisering av produksjonen av flerfasefluid

Info

Publication number
NO20020558L
NO20020558L NO20020558A NO20020558A NO20020558L NO 20020558 L NO20020558 L NO 20020558L NO 20020558 A NO20020558 A NO 20020558A NO 20020558 A NO20020558 A NO 20020558A NO 20020558 L NO20020558 L NO 20020558L
Authority
NO
Norway
Prior art keywords
optimizing
production
multiphase fluid
multiphase
fluid
Prior art date
Application number
NO20020558A
Other languages
English (en)
Other versions
NO20020558D0 (no
NO326460B1 (no
Inventor
Arthur D Hay
Original Assignee
Cidra Corp
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 Cidra Corp filed Critical Cidra Corp
Publication of NO20020558D0 publication Critical patent/NO20020558D0/no
Publication of NO20020558L publication Critical patent/NO20020558L/no
Publication of NO326460B1 publication Critical patent/NO326460B1/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
    • E21B47/00Survey of boreholes or wells
    • E21B47/01Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure 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
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/20Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
    • E21B17/206Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables with conductors, e.g. electrical, optical
    • 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
    • E21B43/14Obtaining from a multiple-zone well
    • 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
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/20Displacing by water
    • 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
    • E21B47/00Survey of boreholes or wells
    • E21B47/01Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017Protecting measuring instruments
    • 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
    • E21B47/00Survey of boreholes or wells
    • E21B47/12Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/13Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
    • E21B47/135Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency using light waves, e.g. infrared or ultraviolet waves
    • 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
    • E21B2200/00Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/02Down-hole chokes or valves for variably regulating fluid flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
NO20020558A 1999-08-05 2002-02-04 Innretning for optimalisering av produksjonen av flerfasefluid NO326460B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/368,994 US6279660B1 (en) 1999-08-05 1999-08-05 Apparatus for optimizing production of multi-phase fluid
PCT/US2000/021202 WO2001011189A2 (en) 1999-08-05 2000-08-03 Apparatus for optimizing production of multi-phase fluid

Publications (3)

Publication Number Publication Date
NO20020558D0 NO20020558D0 (no) 2002-02-04
NO20020558L true NO20020558L (no) 2002-03-21
NO326460B1 NO326460B1 (no) 2008-12-08

Family

ID=23453621

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20020558A NO326460B1 (no) 1999-08-05 2002-02-04 Innretning for optimalisering av produksjonen av flerfasefluid

Country Status (8)

Country Link
US (1) US6279660B1 (no)
EP (1) EP1200708B1 (no)
JP (1) JP4084042B2 (no)
AU (1) AU779037B2 (no)
CA (1) CA2381281C (no)
DE (1) DE60025002D1 (no)
NO (1) NO326460B1 (no)
WO (1) WO2001011189A2 (no)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1090274B1 (en) 1998-06-26 2017-03-15 Weatherford Technology Holdings, LLC Fluid parameter measurement in pipes using acoustic pressures
US6463813B1 (en) 1999-06-25 2002-10-15 Weatherford/Lamb, Inc. Displacement based pressure sensor measuring unsteady pressure in a pipe
US6536291B1 (en) 1999-07-02 2003-03-25 Weatherford/Lamb, Inc. Optical flow rate measurement using unsteady pressures
US6691584B2 (en) 1999-07-02 2004-02-17 Weatherford/Lamb, Inc. Flow rate measurement using unsteady pressures
CA2292278C (en) * 1999-12-10 2005-06-21 Laurie Venning A method of achieving a preferential flow distribution in a horizontal well bore
US6601458B1 (en) 2000-03-07 2003-08-05 Weatherford/Lamb, Inc. Distributed sound speed measurements for multiphase flow measurement
US6813962B2 (en) * 2000-03-07 2004-11-09 Weatherford/Lamb, Inc. Distributed sound speed measurements for multiphase flow measurement
US6782150B2 (en) 2000-11-29 2004-08-24 Weatherford/Lamb, Inc. Apparatus for sensing fluid in a pipe
MY134072A (en) * 2001-02-19 2007-11-30 Shell Int Research Method for controlling fluid into an oil and/or gas production well
GB2376488B (en) * 2001-06-12 2004-05-12 Schlumberger Holdings Flow control regulation method and apparatus
GB0124615D0 (en) * 2001-10-12 2001-12-05 Alpha Thames Ltd A method and system for handling production fluid
US6698297B2 (en) 2002-06-28 2004-03-02 Weatherford/Lamb, Inc. Venturi augmented flow meter
US6971259B2 (en) * 2001-11-07 2005-12-06 Weatherford/Lamb, Inc. Fluid density measurement in pipes using acoustic pressures
US7059172B2 (en) * 2001-11-07 2006-06-13 Weatherford/Lamb, Inc. Phase flow measurement in pipes using a density meter
US20030234921A1 (en) 2002-06-21 2003-12-25 Tsutomu Yamate Method for measuring and calibrating measurements using optical fiber distributed sensor
GB2406168B (en) * 2002-06-21 2006-03-15 Sensor Highway Ltd Technique and system for measuring a characteristic in a subterranean well
AU2003255235A1 (en) * 2002-08-08 2004-02-25 Cidra Corporation Apparatus and method for measuring multi-phase flows in pulp and paper industry applications
US7350590B2 (en) * 2002-11-05 2008-04-01 Weatherford/Lamb, Inc. Instrumentation for a downhole deployment valve
US7255173B2 (en) * 2002-11-05 2007-08-14 Weatherford/Lamb, Inc. Instrumentation for a downhole deployment valve
US7451809B2 (en) * 2002-10-11 2008-11-18 Weatherford/Lamb, Inc. Apparatus and methods for utilizing a downhole deployment valve
US6997256B2 (en) * 2002-12-17 2006-02-14 Sensor Highway Limited Use of fiber optics in deviated flows
US6915686B2 (en) 2003-02-11 2005-07-12 Optoplan A.S. Downhole sub for instrumentation
US7159653B2 (en) 2003-02-27 2007-01-09 Weatherford/Lamb, Inc. Spacer sub
US6986276B2 (en) * 2003-03-07 2006-01-17 Weatherford/Lamb, Inc. Deployable mandrel for downhole measurements
US6837098B2 (en) * 2003-03-19 2005-01-04 Weatherford/Lamb, Inc. Sand monitoring within wells using acoustic arrays
US7261162B2 (en) * 2003-06-25 2007-08-28 Schlumberger Technology Corporation Subsea communications system
US20080264182A1 (en) * 2003-08-22 2008-10-30 Jones Richard T Flow meter using sensitive differential pressure measurement
US6910388B2 (en) * 2003-08-22 2005-06-28 Weatherford/Lamb, Inc. Flow meter using an expanded tube section and sensitive differential pressure measurement
GB2406594B (en) * 2003-10-01 2008-05-28 Weatherford Lamb Instrumentation for a downhole deployment valve
US7210856B2 (en) * 2004-03-02 2007-05-01 Welldynamics, Inc. Distributed temperature sensing in deep water subsea tree completions
US7480056B2 (en) 2004-06-04 2009-01-20 Optoplan As Multi-pulse heterodyne sub-carrier interrogation of interferometric sensors
US7109471B2 (en) 2004-06-04 2006-09-19 Weatherford/Lamb, Inc. Optical wavelength determination using multiple measurable features
US7641395B2 (en) * 2004-06-22 2010-01-05 Halliburton Energy Serives, Inc. Fiber optic splice housing and integral dry mate connector system
US7755032B2 (en) * 2005-04-15 2010-07-13 Schlumberger Technology Corporation Measuring inflow performance with a neutron logging tool
US7503217B2 (en) * 2006-01-27 2009-03-17 Weatherford/Lamb, Inc. Sonar sand detection
EA013497B1 (ru) * 2006-07-07 2010-04-30 Статоилхюдро Аса Способ для регулирования расхода и автономные клапан или устройство для регулирования расхода
US20080066535A1 (en) 2006-09-18 2008-03-20 Schlumberger Technology Corporation Adjustable Testing Tool and Method of Use
GB2441843B (en) * 2006-09-18 2011-03-16 Schlumberger Holdings Methods of testing in boreholes
US7614294B2 (en) 2006-09-18 2009-11-10 Schlumberger Technology Corporation Systems and methods for downhole fluid compatibility
CN101187305B (zh) * 2007-01-18 2012-04-25 中国海洋石油总公司 单管同井抽注系统
WO2008091345A1 (en) * 2007-01-25 2008-07-31 Welldynamics, Inc. Casing valves system for selective well stimulation and control
CA2677478C (en) * 2007-02-12 2013-04-16 Weatherford/Lamb, Inc. Apparatus and methods of flow testing formation zones
US7565834B2 (en) * 2007-05-21 2009-07-28 Schlumberger Technology Corporation Methods and systems for investigating downhole conditions
US7971648B2 (en) 2007-08-03 2011-07-05 Pine Tree Gas, Llc Flow control system utilizing an isolation device positioned uphole of a liquid removal device
MX2010005562A (es) * 2007-11-30 2010-06-02 Schlumberger Technology Bv Sistema de prueba de zonas multiples de fondo de pozo, de un solo viaje, y metodo de prueba de fondo de pozo que utiliza dicho sistema.
NO337784B1 (no) * 2008-03-12 2016-06-20 Statoil Petroleum As System og fremgangsmåte for styring av fluidstrømmen i grenbrønner
CA2717366A1 (en) 2008-03-13 2009-09-17 Pine Tree Gas, Llc Improved gas lift system
US11639862B1 (en) * 2009-09-15 2023-05-02 Astro Technology Group, Llc Apparatus, system and method enabling multiplexed arrangement of optical fiber for sensing of operating conditions within a structural member
US8251140B2 (en) * 2009-09-15 2012-08-28 Schlumberger Technology Corporation Fluid monitoring and flow characterization
US8474528B2 (en) * 2009-09-22 2013-07-02 Schlumberger Technology Corporation Slurry bypass system for improved gravel packing
RU2534688C2 (ru) * 2012-08-21 2014-12-10 Олег Марсович Гарипов Установка для добычи нефти с одновременно-раздельной утилизацией пластовой воды гарипова и способ для ее реализации (варианты)
MX371144B (es) 2012-09-26 2020-01-20 Halliburton Energy Services Inc Tubo de esnorquel con barrera contra desechos para medidores electronicos colocados sobre tamices de arena.
AU2012391060B2 (en) * 2012-09-26 2017-02-02 Halliburton Energy Services, Inc. Method of placing distributed pressure gauges across screens
BR112015006647B1 (pt) 2012-09-26 2020-10-20 Halliburton Energy Services, Inc sistema de sensor de poço e método de detecção em um furo de poço
CN103790559B (zh) * 2012-10-26 2016-05-11 中国石油天然气股份有限公司 同心电动井下测调仪
MX369741B (es) 2013-03-29 2019-11-20 Schlumberger Technology Bv Sistema y procedimiento para el ajuste de válvulas de control para flujo óptimo.
US9410422B2 (en) 2013-09-13 2016-08-09 Chevron U.S.A. Inc. Alternative gauging system for production well testing and related methods
WO2015074243A1 (zh) * 2013-11-22 2015-05-28 中国石油天然气股份有限公司 多段压裂水平井智能测试系统和测试方法
US9982519B2 (en) * 2014-07-14 2018-05-29 Saudi Arabian Oil Company Flow meter well tool
RU2617761C2 (ru) * 2015-10-05 2017-04-26 Общество с ограниченной ответственностью "Актуальные технологии нефтеотдачи" (ООО "АТН") Способ эксплуатации скважин на поздних стадиях разработки объекта добычи нефти и газа
CN105626038B (zh) * 2015-12-22 2022-01-28 东营市鑫吉石油技术有限公司 双向密封集流式流量调节仪
CN105507861A (zh) * 2016-01-06 2016-04-20 李永立 分层注水管柱
CN105937393B (zh) * 2016-06-27 2022-11-04 中国石油天然气股份有限公司 一种水平井拖动式产液剖面测试管柱及其测试方法
US20180187533A1 (en) * 2017-01-05 2018-07-05 Saudi Arabian Oil Company Hydrocarbon production by fluidically isolating vertical regions of formations
CN106677747A (zh) * 2017-01-19 2017-05-17 长江大学 一种水平井完井防砂用充填式控水筛管
US20190093474A1 (en) * 2017-09-22 2019-03-28 General Electric Company System and method for determining production from a plurality of wells
CN109681159B (zh) * 2017-10-17 2021-02-02 中国石油化工股份有限公司 一种油田多管分层注水管柱
CN108590604B (zh) * 2018-05-23 2021-03-02 四川省科学城久利电子有限责任公司 一种用于油田小流量不带桥偏心配水器的集流坐封结构
CN109084032B (zh) * 2018-09-13 2020-04-03 黑龙江省易爱蒽新材料科技发展有限公司 一种节能降耗可实现精调掺水和洗井控制的调节器
CN109958412B (zh) * 2018-12-25 2021-05-07 贵州航天凯山石油仪器有限公司 一种井下中继供电装置
PH12021552528A1 (en) * 2019-04-04 2022-12-05 Schlumberger Technology Bv Geothermal production monitoring systems and related methods
CN110984930B (zh) * 2020-01-01 2021-05-28 东北石油大学 一种井下精细分层注水控制装置及其方法
US11613933B2 (en) * 2020-02-12 2023-03-28 Halliburton Energy Services, Inc. Concentric coiled tubing downline for hydrate remediation
US11066921B1 (en) * 2020-03-20 2021-07-20 Halliburton Energy Services, Inc. Fluid flow condition sensing probe
US12006814B2 (en) * 2020-07-29 2024-06-11 Saudi Arabian Oil Company Downhole completion assembly for extended wellbore imaging
US12546179B2 (en) 2020-11-19 2026-02-10 Schlumberger Technology Corporation Interactive monitoring and control system for a mineral extraction system
US11125069B1 (en) 2021-01-19 2021-09-21 Ergo Exergy Technologies Inc. Underground coal gasification and associated systems and methods
CN112855029B (zh) * 2021-04-26 2021-07-20 中铁九局集团第七工程有限公司 一种采空区钻孔外扩管施工方法
CN113187453B (zh) * 2021-07-01 2021-10-15 东营市瑞丰石油技术发展有限责任公司 一种可洗井防砂注水工艺管柱及其实现方法
US20230313647A1 (en) * 2022-03-31 2023-10-05 Halliburton Energy Services, Inc. Methods to dynamically control fluid flow in a multi-well system, methods to dynamically provide real-time status of fluid flow in a multi-well system, and multi-well fluid flow control systems
US12385360B2 (en) 2022-09-20 2025-08-12 Ergo Exergy Technologies Inc. Quenching and/or sequestering process fluids within underground carbonaceous formations, and associated systems and methods
US11824682B1 (en) 2023-01-27 2023-11-21 Schlumberger Technology Corporation Can-open master redundancy in PLC-based control system
CN121090418B (zh) * 2025-11-10 2026-02-13 南开大学 一种基于功能化的多通道光纤传感器自动一体化制造设备

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US344094A (en) 1886-06-22 Calvin e
US346607A (en) 1886-08-03 Heel-nailing machine
US2517603A (en) * 1945-04-12 1950-08-08 Stanslind Oil And Gas Company Fluid ingress well logging
GB1105949A (en) * 1965-10-05 1968-03-13 Texaco Development Corp Well completion apparatus
US4208196A (en) * 1978-10-30 1980-06-17 Combustion Engineering, Inc. Means for control of fluid distribution in low temperature separator
US4616700A (en) * 1984-09-18 1986-10-14 Hydril Company Automatic well test system and method
GB8511468D0 (en) * 1985-05-07 1985-06-12 Mobil North Sea Ltd Waterflooding injection system
US4721158A (en) * 1986-08-15 1988-01-26 Amoco Corporation Fluid injection control system
NO178083C (no) * 1988-10-14 1996-01-17 Inst Francais Du Petrole Fremgangsmåte og anordning for logging i en produksjonsbrönn
US5517593A (en) * 1990-10-01 1996-05-14 John Nenniger Control system for well stimulation apparatus with response time temperature rise used in determining heater control temperature setpoint
GB9025230D0 (en) * 1990-11-20 1991-01-02 Framo Dev Ltd Well completion system
US5631413A (en) * 1994-05-20 1997-05-20 Computalog Usa, Inc. Fluid holdup tool and flow meter for deviated wells
GB9501846D0 (en) * 1995-01-21 1995-03-22 Phoenix Petroleum Services Well-logging and control system
US5706896A (en) 1995-02-09 1998-01-13 Baker Hughes Incorporated Method and apparatus for the remote control and monitoring of production wells
US5730219A (en) 1995-02-09 1998-03-24 Baker Hughes Incorporated Production wells having permanent downhole formation evaluation sensors
US5732776A (en) 1995-02-09 1998-03-31 Baker Hughes Incorporated Downhole production well control system and method
GB2302349B (en) 1995-02-09 1999-08-18 Baker Hughes Inc Subsurface valve position and monitoring system for a production well
US5959547A (en) 1995-02-09 1999-09-28 Baker Hughes Incorporated Well control systems employing downhole network
US5996690A (en) 1995-06-06 1999-12-07 Baker Hughes Incorporated Apparatus for controlling and monitoring a downhole oil/water separator
US5941308A (en) * 1996-01-26 1999-08-24 Schlumberger Technology Corporation Flow segregator for multi-drain well completion
RU2066749C1 (ru) * 1996-03-14 1996-09-20 Владимир Викторович Шеляго Способ инклинометрии обсаженной скважины
US5906238A (en) 1996-04-01 1999-05-25 Baker Hughes Incorporated Downhole flow control devices
US5918669A (en) * 1996-04-26 1999-07-06 Camco International, Inc. Method and apparatus for remote control of multilateral wells
CA2264632C (en) * 1997-05-02 2007-11-27 Baker Hughes Incorporated Wellbores utilizing fiber optic-based sensors and operating devices
US6002985A (en) 1997-05-06 1999-12-14 Halliburton Energy Services, Inc. Method of controlling development of an oil or gas reservoir
US5925879A (en) * 1997-05-09 1999-07-20 Cidra Corporation Oil and gas well packer having fiber optic Bragg Grating sensors for downhole insitu inflation monitoring
CA2296054C (en) * 1997-07-09 2007-12-04 Baker Hughes Incorporated Computer controlled injection wells
US5992519A (en) 1997-09-29 1999-11-30 Schlumberger Technology Corporation Real time monitoring and control of downhole reservoirs
US6009216A (en) * 1997-11-05 1999-12-28 Cidra Corporation Coiled tubing sensor system for delivery of distributed multiplexed sensors
CA2644216C (en) * 1998-12-17 2011-02-08 University Of Southampton Apparatus and method for protecting devices, especially fibre optic devices, in hostile environments

Also Published As

Publication number Publication date
CA2381281C (en) 2006-07-18
WO2001011189A3 (en) 2001-11-15
JP4084042B2 (ja) 2008-04-30
NO20020558D0 (no) 2002-02-04
NO326460B1 (no) 2008-12-08
WO2001011189A9 (en) 2002-09-12
WO2001011189A2 (en) 2001-02-15
CA2381281A1 (en) 2001-02-15
US6279660B1 (en) 2001-08-28
JP2003506603A (ja) 2003-02-18
AU779037B2 (en) 2005-01-06
AU6515300A (en) 2001-03-05
EP1200708B1 (en) 2005-12-21
DE60025002D1 (de) 2006-01-26
EP1200708A2 (en) 2002-05-02

Similar Documents

Publication Publication Date Title
NO20020558L (no) Innretning for optimalisering av produksjonen av flerfasefluid
ATE319886T1 (de) Flüssigkeitsspender
NO20020646D0 (no) Gjenget rörforbindelse
NO20021962L (no) Rörforbindelse
NO20032446L (no) System for blanding av fluider
ID29539A (id) Pengontrol aliran
NO20000940L (no) Røroppheng
NO20020955D0 (no) Gjenget forbindelse for oljebrönnrör
NO20000677D0 (no) Brønnhode
NO20021080D0 (no) Ekspanderbart brönnrör
DE50008631D1 (de) Fluidisches Steuerelement
NO993150L (no) Innretninger for bestemmelse av stroemningskarakteristikkene til et flerfasefluid
NO20013965L (no) Aktivering av nedihullsanordninger
DE19983997T1 (de) Fluidsteuerung
ID26478A (id) Penggambaran kelima macam langkah produksi
NO20020159L (no) Föleanordning
DE69931773D1 (de) Rohrverbindung
ID29320A (id) Fluida-fluida kental bebas padatan
NO20022764L (no) Fluiddispenser
ATA60999A (de) Wandelement
IT1306666B1 (it) Filtro per fluidi
DE50003700D1 (de) Fluidkupplung
NO20020257D0 (no) Nedihullspakning-oppumpingsstyreanordning
ATE269953T1 (de) Rohrverbindung
NO20020092D0 (no) Nedihulls-motor

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

MK1K Patent expired