NO20006311D0 - Innretning og fremgangsmåte for å benytte anordninger, især fiberoptiske anordninger, i barske omgivelser - Google Patents

Innretning og fremgangsmåte for å benytte anordninger, især fiberoptiske anordninger, i barske omgivelser

Info

Publication number
NO20006311D0
NO20006311D0 NO20006311A NO20006311A NO20006311D0 NO 20006311 D0 NO20006311 D0 NO 20006311D0 NO 20006311 A NO20006311 A NO 20006311A NO 20006311 A NO20006311 A NO 20006311A NO 20006311 D0 NO20006311 D0 NO 20006311D0
Authority
NO
Norway
Prior art keywords
devices
port
liquid metal
pressure
fiber optic
Prior art date
Application number
NO20006311A
Other languages
English (en)
Other versions
NO20006311L (no
Inventor
C M Crawley
Erhard Lothar Edgar Kluth
H N Rutt
J R Clowes
Malcolm Paul Varnham
Original Assignee
Chevron Usa Inc
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
Priority claimed from GBGB9827735.3A external-priority patent/GB9827735D0/en
Application filed by Chevron Usa Inc filed Critical Chevron Usa Inc
Publication of NO20006311D0 publication Critical patent/NO20006311D0/no
Publication of NO20006311L publication Critical patent/NO20006311L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G01L19/0627—Protection against aggressive medium in general
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017—Protecting measuring instruments
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means 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
    • E21B47/13—Means 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
    • E21B47/135—Means 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/28—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • G01K11/3206—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
    • G01L11/025—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means using a pressure-sensitive optical fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • G02B6/4427—Pressure resistant cables, e.g. undersea cables
NO20006311A 1998-12-17 2000-12-12 Innretning og fremgangsmåte for å benytte anordninger, især fiberoptiske anordninger, i barske omgivelser NO20006311L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9827735.3A GB9827735D0 (en) 1998-12-17 1998-12-17 Apparatus for reducing drift and ageing in fibre optic sensors
GB9900793 1999-01-15
PCT/US1999/030282 WO2000036386A1 (en) 1998-12-17 1999-12-17 Apparatus and method for protecting devices, especially fibre optic devices, in hostile environments

Publications (2)

Publication Number Publication Date
NO20006311D0 true NO20006311D0 (no) 2000-12-12
NO20006311L NO20006311L (no) 2000-12-12

Family

ID=26314852

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20006311A NO20006311L (no) 1998-12-17 2000-12-12 Innretning og fremgangsmåte for å benytte anordninger, især fiberoptiske anordninger, i barske omgivelser

Country Status (8)

Country Link
US (1) US6442304B1 (no)
EP (3) EP1058823B1 (no)
AT (1) ATE326689T1 (no)
AU (1) AU2197900A (no)
CA (3) CA2644216C (no)
DE (1) DE69931348D1 (no)
NO (1) NO20006311L (no)
WO (1) WO2000036386A1 (no)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9915956B1 (pt) * 1998-12-04 2011-10-18 sensor de pressão, e, método para sensoriar pressão.
US6279660B1 (en) * 1999-08-05 2001-08-28 Cidra Corporation Apparatus for optimizing production of multi-phase fluid
US6571046B1 (en) * 1999-09-23 2003-05-27 Baker Hughes Incorporated Protector system for fiber optic system components in subsurface applications
US6799637B2 (en) 2000-10-20 2004-10-05 Schlumberger Technology Corporation Expandable tubing and method
US6789621B2 (en) 2000-08-03 2004-09-14 Schlumberger Technology Corporation Intelligent well system and method
US6558036B2 (en) * 2000-11-29 2003-05-06 Weatherford/Lamb, Inc. Non-intrusive temperature sensor for measuring internal temperature of fluids within pipes
US7222676B2 (en) * 2000-12-07 2007-05-29 Schlumberger Technology Corporation Well communication system
NO335594B1 (no) 2001-01-16 2015-01-12 Halliburton Energy Serv Inc Ekspanderbare anordninger og fremgangsmåte for disse
FR2820593B1 (fr) 2001-02-02 2003-05-23 Schlumberger Services Petrol Chemin optique
NO316775B1 (no) * 2001-06-11 2004-05-03 Optoplan As Fremgangsmate for belegging av en fiber med fiberoptisk Bragg-Gitter (FBG)
US6919512B2 (en) * 2001-10-03 2005-07-19 Schlumberger Technology Corporation Field weldable connections
US6886638B2 (en) * 2001-10-03 2005-05-03 Schlumbergr Technology Corporation Field weldable connections
US20030234921A1 (en) * 2002-06-21 2003-12-25 Tsutomu Yamate Method for measuring and calibrating measurements using optical fiber distributed sensor
MXPA05001618A (es) 2002-08-15 2005-04-25 Schlumberger Technology Bv Uso de sensores de temperatura distribuidos durante los tratamientos de pozos de sondeo.
CA2444379C (en) 2002-10-06 2007-08-07 Weatherford/Lamb, Inc. Multiple component sensor mechanism
US6888972B2 (en) * 2002-10-06 2005-05-03 Weatherford/Lamb, Inc. Multiple component sensor mechanism
GB2394041B (en) * 2002-10-07 2006-03-01 Sensor Highway Ltd A method to monitor temperature in a vessel
US20060153508A1 (en) * 2003-01-15 2006-07-13 Sabeus Photonics, Inc., Corporation System and method for deploying an optical fiber in a well
GB2398805B (en) * 2003-02-27 2006-08-02 Sensor Highway Ltd Use of sensors with well test equipment
US20050236161A1 (en) * 2004-04-23 2005-10-27 Michael Gay Optical fiber equipped tubing and methods of making and using
DE102004031324A1 (de) * 2004-06-29 2006-01-19 Bayer Technology Services Gmbh Temperaturprofilmessung in Reaktoren mit Faser-Bragg-Gittern
GB0415223D0 (en) * 2004-07-07 2004-08-11 Sensornet Ltd Intervention rod
US8413723B2 (en) 2006-01-12 2013-04-09 Schlumberger Technology Corporation Methods of using enhanced wellbore electrical cables
US7231972B2 (en) * 2005-02-15 2007-06-19 Schlumberger Technology Corporation Integral flush gauge cable apparatus and method
GB2438560A (en) * 2005-03-16 2007-11-28 Philip Head Well bore sensing
DE102005061217B4 (de) * 2005-10-13 2009-04-02 Gneuß Kunststofftechnik GmbH Verfahren zum Befüllen eines Drucksensors
US7561776B2 (en) 2005-11-29 2009-07-14 Petrospec Engineering Ltd. Method of preventing hydrogen darkening of optic fibre
WO2007149733A2 (en) * 2006-06-19 2007-12-27 Baker Hughes Incorporated Isolated sensor housing
US7654318B2 (en) 2006-06-19 2010-02-02 Schlumberger Technology Corporation Fluid diversion measurement methods and systems
EP1903181B1 (en) * 2006-09-20 2012-02-01 Services Pétroliers Schlumberger Contact-less sensor cartridge
CA2680013A1 (en) * 2007-03-22 2008-09-25 Baker Hugues Incorporated Location dependent calibration for distributed temperature sensor measurements
US8567657B2 (en) * 2007-04-30 2013-10-29 Mtj Consulting Services Inc. Coiled tubing with retainer for conduit
US9194512B2 (en) 2007-04-30 2015-11-24 Mark Andreychuk Coiled tubing with heat resistant conduit
US7912334B2 (en) * 2007-09-19 2011-03-22 General Electric Company Harsh environment temperature sensing system and method
SA08290691B1 (ar) * 2007-10-31 2012-02-22 شل انترناشيونال ريسيرش ماتشابيج بى . فى تجميعة جهاز استشعار ضغط وطريقة لاستخدام التجميعة
US7714271B1 (en) * 2007-11-05 2010-05-11 United States Oil And Gas Corp. Simple fiber optic seismometer for harsh environments
US7834442B2 (en) * 2007-12-12 2010-11-16 International Business Machines Corporation Electronic package method and structure with cure-melt hierarchy
US8697992B2 (en) * 2008-02-01 2014-04-15 Schlumberger Technology Corporation Extended length cable assembly for a hydrocarbon well application
US9404360B2 (en) * 2008-02-12 2016-08-02 Baker Hughes Incorporated Fiber optic sensor system using white light interferometry
FR2929000B1 (fr) * 2008-03-18 2010-04-09 Thales Sa Capteur a fibre optique auto-reference et reseau de capteurs associe
US9770862B2 (en) 2008-09-10 2017-09-26 Kyton, Llc Method of making adhesion between an optical waveguide structure and thermoplastic polymers
WO2010030587A2 (en) * 2008-09-10 2010-03-18 Lake Shore Cryotronics, Inc. Compact fiber optic sensors and method of making same
US9138948B2 (en) * 2008-09-10 2015-09-22 Kyton, Llc Suspended and compact fiber optic sensors
US11387014B2 (en) 2009-04-17 2022-07-12 Schlumberger Technology Corporation Torque-balanced, gas-sealed wireline cables
US9412492B2 (en) 2009-04-17 2016-08-09 Schlumberger Technology Corporation Torque-balanced, gas-sealed wireline cables
DE102009024055A1 (de) * 2009-06-05 2010-12-09 Netzsch-Gerätebau GmbH Thermoanalysevorrichtung und Thermoanalyseverfahren
CA2774775A1 (en) 2009-09-22 2011-03-31 Schlumberger Canada Limited Wireline cable for use with downhole tractor assemblies
US9110187B2 (en) * 2009-10-05 2015-08-18 Westerngeco L.L.C. Sensor assembly having a seismic sensor and a divergence sensor
US8712694B2 (en) * 2009-10-05 2014-04-29 Westerngeco L.L.C. Combining seismic data from sensors to attenuate noise
US8838392B2 (en) * 2009-10-05 2014-09-16 Westerngeco L.L.C. Noise attenuation in passive seismic data
US8520469B2 (en) * 2009-10-12 2013-08-27 Westerngeco L.L.C. Sensor assembly having a seismic sensor, pressure sensor, and processor to apply first and second digital filters
US20110085417A1 (en) * 2009-10-12 2011-04-14 Daniel Ronnow String of Sensor Assemblies Having a Seismic Sensor and Pressure Sensor
US20110133067A1 (en) * 2009-12-08 2011-06-09 Schlumberger Technology Corporation Optical sensor having a capillary tube and an optical fiber in the capillary tube
US9104008B2 (en) * 2010-03-24 2015-08-11 Weatherford Technology Holdings, Llc Optical fiber coating to prevent adhesion at high temperatures
US20110235981A1 (en) * 2010-03-29 2011-09-29 Schlumberger Technology Corporation Connector apparatus for downhole tool
DE102010013897B4 (de) * 2010-04-01 2012-01-26 Infap Gmbh Optische Messeinrichtung und Lichtwellenleiter
US20110311179A1 (en) * 2010-06-18 2011-12-22 Schlumberger Technology Corporation Compartmentalized fiber optic distributed sensor
CN102401700A (zh) * 2010-09-10 2012-04-04 北京蔚蓝仕科技有限公司 一种光纤光栅单端测温传感器
US9971032B1 (en) 2010-10-15 2018-05-15 Adaptive Wireless Solutions, L.L.C. Acoustic sensor holder and apparatus using same
US9091783B2 (en) 2010-11-04 2015-07-28 Westerngeco L.L.C. Computing a calibration term based on combining divergence data and seismic data
US20120224801A1 (en) * 2011-03-04 2012-09-06 Baker Hughes Incorporated Fiber optic sealing apparatus
US8557052B2 (en) 2011-08-03 2013-10-15 Baker Hughes Incorporated Method and apparatus for stripping optical fibers and optical fiber assemblies
US9417103B2 (en) 2011-09-20 2016-08-16 Schlumberger Technology Corporation Multiple spectrum channel, multiple sensor fiber optic monitoring system
US9116055B2 (en) * 2012-09-05 2015-08-25 Siemens Energy, Inc Combustion turbine flashback sensing system employing fiber Bragg grating sensors
EP2713191B1 (en) * 2012-10-01 2019-08-28 Siemens Aktiengesellschaft Subsea cable termination assembly, subsea connector and method
FR2998662B1 (fr) * 2012-11-23 2019-10-25 Airbus Operations Dispositif de mesure de deformation et implantation d'un tel dispositif dans un element
US9784862B2 (en) * 2012-11-30 2017-10-10 Baker Hughes Incorporated Distributed downhole acousting sensing
US10048395B2 (en) 2013-02-01 2018-08-14 Westerngeco L.L.C. Computing a gradient based on differences of plural pairs of particle motion sensors
WO2014123545A1 (en) * 2013-02-11 2014-08-14 Ofs Fitel, Llc Optical fiber seismic sensing cable
CN103279147B (zh) * 2013-05-15 2015-05-06 浙江大学 一种控制光纤温漂的温度控制系统及其应用方法
US20140376597A1 (en) * 2013-06-25 2014-12-25 Jason Corbett Gilley Measuring Instrument Assembly with Retainer Hook
US10365167B2 (en) * 2013-11-08 2019-07-30 United Technologies Corporation Fiber grating temperature sensor
US10408954B2 (en) 2014-01-17 2019-09-10 Westerngeco L.L.C. Seismic sensor coupling
RU2568448C1 (ru) * 2014-11-06 2015-11-20 Общество с ограниченной ответственностью "Научно-производственная фирма Завод "Измерон" Интеллектуальная газовая и газоконденсатная скважина и способ её монтажа
RU2581852C1 (ru) * 2014-11-06 2016-04-20 Общество с ограниченной ответственностью "Научно-производственная фирма Завод "Измерон" Устройство мониторинга параметров при эксплуатации интеллектуальной скважины
WO2017108214A1 (en) * 2015-12-22 2017-06-29 Siemens Aktiengesellschaft Data switch for underwater use
US10370956B2 (en) * 2016-02-18 2019-08-06 Weatherford Technology Holdings, Llc Pressure gauge insensitive to extraneous mechanical loadings
KR101881802B1 (ko) * 2017-11-03 2018-07-26 (주)지지케이 지진감지 기능이 구비된 지열시스템
GB2571540B (en) 2018-02-28 2020-10-28 Craley Group Ltd Improvements in or relating to the monitoring of fluid pipes
US11662228B2 (en) * 2018-06-22 2023-05-30 The University Of Hong Kong Real-time surface shape sensing for flexible structures
RU2703055C1 (ru) * 2019-06-27 2019-10-15 Общество с ограниченной ответственностью "Газпромнефть Научно-Технический Центр" (ООО "Газпромнефть НТЦ") Система долговременного распределенного мониторинга профиля притока в горизонтальной скважине, оборудованной ЭЦН
CN110700814A (zh) * 2019-10-28 2020-01-17 贵州航天凯山石油仪器有限公司 一种提高气井压力计密封可靠性的方法及装置
CN113399998B (zh) * 2021-05-13 2022-07-05 东方电气集团科学技术研究院有限公司 一种大型定日镜拼接和转运方法

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191007428A (en) * 1910-03-24 1911-03-24 Adams Mfg Co Ltd Improvements in or relating to Electrically Controlled Pressure Regulating Devices.
GB838286A (en) * 1958-02-01 1960-06-22 Rochar Electronique Improvements relating to supersonic pressure-gauges
GB894059A (en) * 1959-10-21 1962-04-18 Sound Diffusion Sales Ltd An improved apparatus for deriving electrical signals representative of physical pressure
GB1092527A (en) * 1964-12-08 1967-11-29 Simmonds Precision Products Improvements in pressure sensitive transducers
US3678753A (en) * 1970-07-28 1972-07-25 Microdot Inc Pressure transducer
JPS5617720B2 (no) * 1972-12-25 1981-04-23
DE2333280C2 (de) * 1973-06-29 1982-05-06 Günther Dr. 8022 Grünwald Nath Biegsamer Lichtleiter
US3961185A (en) * 1974-11-11 1976-06-01 The Detroit Edison Company Fiber optic displacement transducer
JPS5932916Y2 (ja) * 1978-10-25 1984-09-14 動力炉・核燃料開発事業団 ＮａＫ置換型圧力測定装置
US4283954A (en) * 1979-10-04 1981-08-18 Conoco Inc. High temperature pressure gauge
DE3405026A1 (de) 1984-02-13 1985-08-14 Philips Patentverwaltung Gmbh, 2000 Hamburg Optischer drucksensor
FR2601773B1 (fr) * 1986-07-21 1988-12-30 Commissariat Energie Atomique Capteur de pression pour fluides a haute temperature
DE3630618A1 (de) * 1986-09-09 1988-03-17 Staiger Mohilo & Co Gmbh Druckuebertrager
DE3805848A1 (de) * 1988-02-25 1989-09-07 Philips Patentverwaltung Optisches seekabel
US5304171A (en) * 1990-10-18 1994-04-19 Gregory Kenton W Catheter devices and methods for delivering
US5113070A (en) * 1991-03-29 1992-05-12 Abb Vetco Gray Inc. Temperature compensator for an optic fiber pressure transducer
US5275038A (en) * 1991-05-20 1994-01-04 Otis Engineering Corporation Downhole reeled tubing inspection system with fiberoptic cable
GB9209434D0 (en) 1992-05-01 1992-06-17 Sensor Dynamics Ltd Remotely deployable pressure sensor
DE4302885A1 (de) * 1993-02-02 1994-09-08 Gneuss Kunststofftechnik Gmbh Druckaufnehmer für Kunststoffschmelzen
US5373576A (en) * 1993-05-04 1994-12-13 Polaroid Corporation High power optical fiber
CA2140748C (en) * 1993-05-21 1999-08-10 Philip K. Schultz Reduced diameter down-hole instrument cable
DE4337402A1 (de) * 1993-10-26 1995-04-27 Mannesmann Ag Sonde zur Messung von Druck- und Temperaturprofilen
GB9324334D0 (en) 1993-11-26 1994-01-12 Sensor Dynamics Ltd Apparatus for the remote measurement of physical parameters
US5371720A (en) * 1994-02-22 1994-12-06 The United States Of America As Represented By The Secretary Of The Navy Optical fiber pressure sensor for liquid level monitoring
US5503013A (en) 1994-08-01 1996-04-02 Halliburton Company Downhole memory gauge protection system
GB9419006D0 (en) 1994-09-21 1994-11-09 Sensor Dynamics Ltd Apparatus for sensor installation
JPH08178778A (ja) * 1994-12-27 1996-07-12 Mitsubishi Electric Corp 半導体圧力検出装置
GB9519880D0 (en) 1995-09-29 1995-11-29 Sensor Dynamics Ltd Apparatus for measuring pressure
NO954659D0 (no) 1995-11-17 1995-11-17 Smedvig Technology As Måleutstyr for brönn
GB9606673D0 (en) 1996-03-29 1996-06-05 Sensor Dynamics Ltd Apparatus for the remote measurement of physical parameters
DE19807891A1 (de) * 1998-02-25 1999-08-26 Abb Research Ltd Faserlaser-Drucksensor
DE19808222A1 (de) * 1998-02-27 1999-09-02 Abb Research Ltd Faser-Bragg-Gitter Drucksensor mit integrierbarem Faser-Bragg-Gitter Temperatursensor

Also Published As

Publication number Publication date
EP1688585A2 (en) 2006-08-09
CA2644216A1 (en) 2000-06-22
EP1541984A3 (en) 2006-06-07
ATE326689T1 (de) 2006-06-15
DE69931348D1 (de) 2006-06-22
EP1688585A3 (en) 2009-11-04
CA2644328A1 (en) 2000-06-22
WO2000036386A1 (en) 2000-06-22
EP1541984A2 (en) 2005-06-15
AU2197900A (en) 2000-07-03
CA2323042C (en) 2009-02-17
EP1058823B1 (en) 2006-05-17
US6442304B1 (en) 2002-08-27
NO20006311L (no) 2000-12-12
CA2644216C (en) 2011-02-08
CA2323042A1 (en) 2000-06-22
EP1058823A1 (en) 2000-12-13

Similar Documents

Publication Publication Date Title
NO20006311D0 (no) Innretning og fremgangsmåte for å benytte anordninger, især fiberoptiske anordninger, i barske omgivelser
ATE228334T1 (de) Vorrichtung zum testen der analytkonzentration in einer flüssigkeit
WO2001036966A3 (en) An apparatus for machine fluid analysis
DE69904185T2 (de) Verfahren und vorrichtung zum messen des zustandes einer elektrophoretischen anzeigevorrichtung
WO2004020789A3 (en) Method and apparatus for logging a well using a fiber optic line and sensors
WO2003105664A3 (en) OPTICAL SAMPLING INTERFACE SYSTEM FOR IN VIVO TISSUE MEASUREMENT
ATE349948T1 (de) Sensor und verfahren zum messen physiologischer parameter
DE60230989D1 (de) Dehnungsmessvorrichtung mit temperaturabgleich
WO2003025559A1 (fr) Instrument de mesure, corps d'installation et mesureur de densite
ATE396326T1 (de) Vorrichtung zum messen eines innenmasses eines bohrlochs
ATE208036T1 (de) Genaue hochgeschwindigkeitstemperaturmessvorrichtung
DE69520614D1 (de) Schaltung zum Erfassen der Verstopfung einer Probenentnahmesonde
ATE256284T1 (de) Sensor und verfahren zum messen der elektrischen leitfähigkeit eines flüssigen mediums
NO20002511D0 (no) FremgangsmÕte for mÕling av egenskaper ved strømmende fluider, samt mÕleanordning og sensor for bruk ved slike mÕlinger
ATE130678T1 (de) Gerät zur dichtemessung eines fluids.
IL157527A0 (en) Device for measuring respiration rate
DK1094307T3 (da) Tilslutningskredsløb til et måleapparat
ATE448471T1 (de) Vorrichtung zum messen eines druckes zwischen zwei punkte einer flüssigkeitsströmung
BR9503241A (pt) Aparelho para medir tensão superficial de líquidos e dispositivo de medição
DE19981834T1 (de) Vorrichtung zum Messen eines unter Druck stehenden Mediums
AU2003227948A1 (en) Liquid level measurement
SE9802852D0 (sv) Fluid sensing device and method for use in particular in milking machines
SE9701007L (sv) Förfarande vid en piezoelektrisk kristallmikrovågsmätning
EP0378312A3 (en) Pressure measurement devices
ATE334382T1 (de) Messeinrichtung zum messen der dichte einer flüssigkeit mit einem differenzdrucksensor

Legal Events

Date Code Title Description
RE Reestablishment of rights (par. 72 patents act)
FC2A Withdrawal, rejection or dismissal of laid open patent application