NO20085202L - Flerkjerne distribuert temperaturavfolende fiber - Google Patents

Flerkjerne distribuert temperaturavfolende fiber

Info

Publication number
NO20085202L
NO20085202L NO20085202A NO20085202A NO20085202L NO 20085202 L NO20085202 L NO 20085202L NO 20085202 A NO20085202 A NO 20085202A NO 20085202 A NO20085202 A NO 20085202A NO 20085202 L NO20085202 L NO 20085202L
Authority
NO
Norway
Prior art keywords
distributed temperature
sensing fiber
core distributed
core
fiber
Prior art date
Application number
NO20085202A
Other languages
English (en)
Other versions
NO340684B1 (no
Inventor
Stephen Poland
Daniel S Homa
Original Assignee
Baker Hughes 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
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of NO20085202L publication Critical patent/NO20085202L/no
Publication of NO340684B1 publication Critical patent/NO340684B1/no

Links

Classifications

    • 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
    • G01D5/32—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 attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35383—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
    • 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
    • G01D5/32—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 attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35306—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
    • G01D5/35309—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
    • G01D5/35316—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Bragg gratings
    • 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
    • G01D5/32—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 attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35338—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
    • G01D5/35354—Sensor working in reflection
    • G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02042—Multicore optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

Det beskrives en flerkjerne distribuert temperaturavfølende optisk fiber, hvor arrangementet og konstruksjonen av i det minste to kjerner tilveiebringer en spektraldempning korrigert (eksempelvis korrigert for hydrogen og/eller belastning på fiberen) temperaturmåling.
NO20085202A 2006-06-12 2008-12-12 Flerkjerne distribuert temperaturavfølende fiber NO340684B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/451,207 US7379631B2 (en) 2006-06-12 2006-06-12 Multi-core distributed temperature sensing fiber
PCT/US2007/069209 WO2007146545A1 (en) 2006-06-12 2007-05-18 Multi-core distributed temperature sensing fiber

Publications (2)

Publication Number Publication Date
NO20085202L true NO20085202L (no) 2008-12-29
NO340684B1 NO340684B1 (no) 2017-05-29

Family

ID=38610689

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20085202A NO340684B1 (no) 2006-06-12 2008-12-12 Flerkjerne distribuert temperaturavfølende fiber

Country Status (7)

Country Link
US (1) US7379631B2 (no)
EP (1) EP2027444B1 (no)
BR (1) BRPI0713004B1 (no)
CA (1) CA2654225C (no)
DK (1) DK2027444T3 (no)
NO (1) NO340684B1 (no)
WO (1) WO2007146545A1 (no)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008028277A1 (en) * 2006-09-08 2008-03-13 Lxsix Photonics Inc. Optical device for measuring a physical parameter in a hydrogen contaminated sensing zone
US7512292B2 (en) * 2006-09-12 2009-03-31 Weatherford/Lamb, Inc. Multi-core strain compensated optical fiber temperature sensor
RU2009138708A (ru) * 2007-03-22 2011-04-27 Бейкер Хьюз Инкорпорейтед (Us) Позиционно-чувствительная калибровка измерений распределенным сенсором температуры
DE102007042546B4 (de) * 2007-09-07 2010-01-14 Ulrich Glombitza Verfahren zur ortsaufgelösten Temperaturmessung in einem Rohr- oder Kanalsystem
US8123400B2 (en) * 2008-04-16 2012-02-28 Ofs Fitel, Llc Multi-core fiber grating sensor
CN101881854A (zh) * 2010-04-29 2010-11-10 哈尔滨工程大学 内壁融嵌式多芯单模保偏光纤光栅及制作方法
US8638444B2 (en) 2011-01-11 2014-01-28 Baker Hughes Incorporated Sensor array configuration for swept-wavelength interferometric-based sensing systems
US8592747B2 (en) 2011-01-19 2013-11-26 Baker Hughes Incorporated Programmable filters for improving data fidelity in swept-wavelength interferometry-based systems
US20130094798A1 (en) * 2011-10-12 2013-04-18 Baker Hughes Incorporated Monitoring Structural Shape or Deformations with Helical-Core Optical Fiber
DE102012106806B4 (de) * 2012-07-26 2022-07-28 J-Fiber Gmbh Sensorfaser zur Temperatur-, Dehnungs- und/oder Torsionsdetektion in Form eines Mehrkern-Lichtwellenleiters mit einer Fiber-Bragg-Gitterstruktur
US20140285795A1 (en) * 2013-03-19 2014-09-25 Halliburton Energy Services, Inc. Downhole multiple core optical sensing system
KR101506931B1 (ko) * 2013-04-15 2015-03-30 한국과학기술연구원 다중 코어 광섬유격자를 이용한 광소자 및 이를 이용한 광신호의 처리 방법
WO2014194051A1 (en) * 2013-05-29 2014-12-04 National Oilwell Varco, L.P. Wellbore survey using optical fibers
JP6324058B2 (ja) * 2013-12-20 2018-05-16 株式会社Ｉｈｉ検査計測 ひずみ計測方法及びひずみ計測装置
US9562844B2 (en) 2014-06-30 2017-02-07 Baker Hughes Incorporated Systems and devices for sensing corrosion and deposition for oil and gas applications
US9927286B2 (en) 2014-12-15 2018-03-27 Schlumberger Technology Corporation Seismic sensing with optical fiber
US10072497B2 (en) 2014-12-15 2018-09-11 Schlumberger Technology Corporation Downhole acoustic wave sensing with optical fiber
EP3234667B1 (en) * 2014-12-15 2019-09-18 Intuitive Surgical Operations, Inc. Dissimilar cores in multicore optical fiber for strain and temperature separation
GB201503861D0 (en) * 2015-03-06 2015-04-22 Silixa Ltd Method and apparatus for optical sensing
DE102016202662A1 (de) * 2016-02-22 2017-09-07 Siemens Aktiengesellschaft Einrichtung zur faserbasierten Temperaturdetektion
CN107861189A (zh) * 2017-12-11 2018-03-30 中国电子科技集团公司第四十六研究所 一种单纤集成式布拉格光纤光栅阵列的制备方法
GB2571575B (en) * 2018-03-02 2022-05-04 Univ Cranfield An optical shape sensing method and system
GB2574883B (en) * 2018-06-22 2022-10-19 Fibercore Ltd Optical fiber
CN110132397B (zh) * 2019-05-09 2021-03-19 南京大学 一种基于空分复用的φ-otdr系统中降低死区概率的方法
CN110595599B (zh) * 2019-08-15 2021-05-28 广东电网有限责任公司 减少光纤振动系统偏振衰落的方法及应用其的探测系统
US12130394B2 (en) 2019-10-03 2024-10-29 Schlumberger Technology Corporation Fiber optic interrogation system
EP3926374A1 (en) * 2020-06-15 2021-12-22 Airbus Operations, S.L.U. Aeronautical composite structure and method and system for monitoring the physical status thereof
CN111664881A (zh) * 2020-07-24 2020-09-15 南京信息工程大学 基于多芯少模光纤的双向分布式传感系统及方法
CN111897063A (zh) * 2020-07-31 2020-11-06 中国船舶重工集团公司第七一五研究所 一种油井用测温光缆
CN111952829B (zh) * 2020-08-22 2022-03-18 中国人民解放军国防科技大学 一种光纤纤芯三维空间温度的准分布式测量方法
CN113137999A (zh) * 2021-05-11 2021-07-20 武汉理工大学 一种光纤布拉格光栅阵列式油箱液位传感系统
EP4119966A1 (en) * 2021-07-15 2023-01-18 AP Sensing GmbH Employing load temperature correlation analysis for burial state analysis of an electrical power cable
CN119507889B (zh) * 2023-08-24 2025-11-04 中国石油天然气集团有限公司 基于多点胶囊压力计的dts校正装置及方法
US20250389457A1 (en) * 2024-06-21 2025-12-25 Atlas Energy, LTC. CO., LLC Methods, Systems, and Devices for Quantifying Geothermal Heat Flux Using Vertical Temperature Profiles at Shallow Depths
CN120628337B (zh) * 2025-07-01 2025-11-04 中联德冠科技(北京)有限公司 一种融合波分复用的多芯光纤温度检测方法及系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016104A1 (de) 1980-04-25 1981-10-29 Siemens AG, 1000 Berlin und 8000 München Sensorvorrichtung mit einer als empfindliches element dienenden lichtleitfaser
JPS6166133A (ja) * 1984-09-10 1986-04-04 Agency Of Ind Science & Technol 光フアイバ温度センサ
US5563967A (en) * 1995-06-07 1996-10-08 Mcdonnell Douglas Corporation Fiber optic sensor having a multicore optical fiber and an associated sensing method
GB9710057D0 (en) * 1997-05-19 1997-07-09 King S College London Distributed sensing system
GB9713018D0 (en) 1997-06-20 1997-08-27 Secr Defence Optical fibre bend sensor
US6301420B1 (en) * 1998-05-01 2001-10-09 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Multicore optical fibre
US6807324B2 (en) * 2002-05-21 2004-10-19 Weatherford/Lamb, Inc. Method and apparatus for calibrating a distributed temperature sensing system
WO2004104536A1 (en) * 2003-05-23 2004-12-02 Sensor Highway Limited Distributed temperature sensing system with remote reference coil
GB0315574D0 (en) * 2003-07-03 2003-08-13 Sensor Highway Ltd Methods to deploy double-ended distributed temperature sensing systems
AU2004263671B2 (en) * 2003-08-11 2008-01-03 Shell Internationale Research Maatschappij B.V. Method for installing a double ended distributed sensing fiber optical assembly within a guide conduit
US20060013523A1 (en) 2004-07-16 2006-01-19 Luna Innovations Incorporated Fiber optic position and shape sensing device and method relating thereto

Also Published As

Publication number Publication date
US7379631B2 (en) 2008-05-27
NO340684B1 (no) 2017-05-29
WO2007146545A1 (en) 2007-12-21
EP2027444A1 (en) 2009-02-25
CA2654225C (en) 2014-09-30
US20070286561A1 (en) 2007-12-13
CA2654225A1 (en) 2007-12-21
BRPI0713004A2 (pt) 2012-04-17
BRPI0713004B1 (pt) 2018-09-18
EP2027444B1 (en) 2012-07-04
DK2027444T3 (da) 2012-10-08

Similar Documents

Publication Publication Date Title
NO20085202L (no) Flerkjerne distribuert temperaturavfolende fiber
WO2010043876A3 (en) Fibre optic sensor system
GB2459426A (en) Location dependent calibration for distributed temperature sensor measurements
NO20085040L (no) Flerkjerne fiberoptisk sensor
GB2487333A (en) A novel sensor array configuration for extending useful sensing length of a swept-wavelength interferometry based system
Wo et al. Sensitivity-enhanced fiber optic temperature sensor with strain response suppression
GB2469427A (en) Method for sensing strain in a component in a wind turbine, optical strain sensing system and uses thereof
EP2307853A4 (en) GLASS FIBER EXPRESSION KNIFE WITH TEMPERATURE COMPENSATION
WO2011127134A3 (en) Strain sensing with optical fiber rosettes
BR112012011226A2 (pt) fibra óptica , cabo de fibra óptica, sensor de fibra óptica acústico dsitribuído , uso de uma fibra óptica , sensor de fibra distribuído , e, de um cabo de fibra óptica.
NO20100773L (no) Stigeror med justerbare tilleggsledninger
GB0912851D0 (en) Distributed optical fibre sensing
WO2007087301A3 (en) Interferometer system for monitoring an object
NO20055151L (no) Distribuert temperaturavfolingssystem med fjerntliggende referansespole
WO2008155769A3 (en) System and method based on waveguides for the protection of sites
WO2011086432A3 (en) Flexible instrument channel insert for scope with real-time position tracking
BR112012030538A2 (pt) fibra de grande eficaz com núcleo isento de ge de índice gradual
NO20072810L (no) Etterinstallerte sensorer pa marine elementer
ATE505861T1 (de) Erfassen einer störung
GB2532155A (en) Loss compensation for distributed sensing in downhole environments
Neeharika et al. Optical MEMS pressure sensors incorporating dual waveguide Bragg gratings on diaphragms
NO20085044L (no) Fiberoptisk trykksensor med flerkjerne
JP4423430B2 (ja) 光波長多重による分布型ガスセンサ
WO2011115683A3 (en) Multi wavelength dts fiber window with psc fibers
ATE340352T1 (de) Differenzmesssystem auf der basis der benutzung von paaren von bragg-gittern