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NO343604B1 - Fiberoptisk følerrekke - Google Patents

Fiberoptisk følerrekke

Info

Publication number
NO343604B1
NO343604B1 NO20084472A NO20084472A NO343604B1 NO 343604 B1 NO343604 B1 NO 343604B1 NO 20084472 A NO20084472 A NO 20084472A NO 20084472 A NO20084472 A NO 20084472A NO 343604 B1 NO343604 B1 NO 343604B1
Authority
NO
Norway
Prior art keywords
fiber optic
optic sensor
sensor series
series
fiber
Prior art date
Application number
NO20084472A
Other languages
English (en)
Other versions
NO20084472L (no
Inventor
Jonathan James Westhall
David John Hill
Roger Ian Crickmore
Phillip John Nash
Original Assignee
Optasense Holdings Ltd
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 Optasense Holdings Ltd filed Critical Optasense Holdings Ltd
Publication of NO20084472L publication Critical patent/NO20084472L/no
Publication of NO343604B1 publication Critical patent/NO343604B1/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
    • G01D5/35303—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 a reference fibre, e.g. interferometric devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
NO20084472A 2006-03-25 2008-10-23 Fiberoptisk følerrekke NO343604B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0606010.7A GB0606010D0 (en) 2006-03-25 2006-03-25 Fibre-Optic Sensor Array
PCT/GB2007/000810 WO2007110574A1 (en) 2006-03-25 2007-03-08 Fibre optic sensor arra

Publications (2)

Publication Number Publication Date
NO20084472L NO20084472L (no) 2008-12-29
NO343604B1 true NO343604B1 (no) 2019-04-08

Family

ID=36384180

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20084472A NO343604B1 (no) 2006-03-25 2008-10-23 Fiberoptisk følerrekke

Country Status (8)

Country Link
US (1) US9599489B2 (no)
EP (1) EP1999439B1 (no)
JP (1) JP2009531692A (no)
CN (1) CN101454642B (no)
GB (1) GB0606010D0 (no)
NO (1) NO343604B1 (no)
TR (1) TR201907003T4 (no)
WO (1) WO2007110574A1 (no)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8245780B2 (en) 2009-02-09 2012-08-21 Shell Oil Company Method of detecting fluid in-flows downhole
GB0919899D0 (en) * 2009-11-13 2009-12-30 Qinetiq Ltd Fibre optic distributed sensing
GB0919906D0 (en) 2009-11-13 2009-12-30 Qinetiq Ltd Improvements to distributed fibre optic sensing
EP2910977B1 (en) * 2014-02-21 2020-08-05 Sercel Method for monitoring an electrical power supply line comprised in a seismic cable, corresponding system, computer program product and non-transitory computer-readable carrier medium
CN105588586B (zh) * 2015-12-11 2018-08-21 电子科技大学 一种u型传感光纤部署结构的光纤分布式传感系统
EP3440313B1 (en) 2016-04-07 2020-03-04 BP Exploration Operating Company Limited Detecting downhole events using acoustic frequency domain features
BR112018070577A2 (pt) 2016-04-07 2019-02-12 Bp Exploration Operating Company Limited detecção de localizações de ingresso de areia de fundo de poço
BR112019020125B1 (pt) 2017-03-31 2023-09-26 Bp Exploration Operating Company Limited Métodos e sistemas para detectar vazamentos em um furo de poço
EP3673148B1 (en) 2017-08-23 2021-10-06 BP Exploration Operating Company Limited Detecting downhole sand ingress locations
AU2018350092A1 (en) 2017-10-11 2020-05-14 Bp Exploration Operating Company Limited Detecting events using acoustic frequency domain features
EP3887649A2 (en) 2018-11-29 2021-10-06 BP Exploration Operating Company Limited Event detection using das features with machine learning
GB201820331D0 (en) 2018-12-13 2019-01-30 Bp Exploration Operating Co Ltd Distributed acoustic sensing autocalibration
CN110646082B (zh) * 2019-10-12 2022-07-05 湖南长城海盾光纤科技有限公司 一种混合复用的低损耗水听器阵列
EP4045766A1 (en) 2019-10-17 2022-08-24 Lytt Limited Fluid inflow characterization using hybrid das/dts measurements
CA3154435C (en) 2019-10-17 2023-03-28 Lytt Limited Inflow detection using dts features
WO2021093974A1 (en) 2019-11-15 2021-05-20 Lytt Limited Systems and methods for draw down improvements across wellbores
WO2021249643A1 (en) 2020-06-11 2021-12-16 Lytt Limited Systems and methods for subterranean fluid flow characterization
EP4168647A1 (en) 2020-06-18 2023-04-26 Lytt Limited Event model training using in situ data
CN112162312B (zh) * 2020-10-01 2021-07-30 中国海洋大学 用于极浅海域地层横波速度结构探测的光纤多道地震系统
CN113689673A (zh) * 2021-08-18 2021-11-23 广东电网有限责任公司 一种线缆监控保护方法、装置、系统和介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997036150A1 (en) * 1996-03-28 1997-10-02 Bicc Public Limited Company Arrangement for monitoring equipment
US6084233A (en) * 1996-07-12 2000-07-04 The Board Of Trustees Of Leland Stanford Junior University Optical sensor array having multiple rungs between distribution and return buses and having amplifiers in the buses to equalize return signals
WO2000062021A1 (en) * 1999-04-09 2000-10-19 Qinetiq Limited An optical fibre sensor assembly
US6449046B1 (en) * 1999-05-17 2002-09-10 Chung-Shan Institute Of Science And Technology Optically amplified WDM/TDM hybrid polarization-insensitive fiber-optic interferometric sensor system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648083A (en) 1985-01-03 1987-03-03 The United States Of America As Represented By The Secretary Of The Navy All-optical towed and conformal arrays
US5191458A (en) 1991-06-12 1993-03-02 Grumman Aerospace Corporation Optical electronic multiplexing reflection sensor system
US5247490A (en) 1992-06-04 1993-09-21 Martin Marietta Corporation Pressure-compensated optical acoustic sensor
US5297224A (en) 1992-08-14 1994-03-22 Litton Systems, Inc. Optically switched sensor array
US5231611A (en) 1992-09-09 1993-07-27 The Charles Stark Draper Laboratory, Inc. Wavelength multiplexed fiber optics resonant ring hydrophone array
TW323415B (en) 1996-11-29 1997-12-21 Defence Dept Chung Shan Inst The time-division multiplexing of polarization-insensitive fiber optic Michelson interferometric sensors
US6522797B1 (en) * 1998-09-01 2003-02-18 Input/Output, Inc. Seismic optical acoustic recursive sensor system
KR100305390B1 (ko) * 1999-05-04 2001-09-13 윤덕용 배열형 사그냑 간섭계 음향센서 및 음향신호 검출방법
US6282334B1 (en) * 1999-05-13 2001-08-28 Litton Systems, Inc. Large scale WDM/TDM sensor array employing erbium-doped fiber amplifiers
GB2385416A (en) * 2002-02-19 2003-08-20 Qinetiq Ltd Optical fibre sensors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997036150A1 (en) * 1996-03-28 1997-10-02 Bicc Public Limited Company Arrangement for monitoring equipment
US6084233A (en) * 1996-07-12 2000-07-04 The Board Of Trustees Of Leland Stanford Junior University Optical sensor array having multiple rungs between distribution and return buses and having amplifiers in the buses to equalize return signals
WO2000062021A1 (en) * 1999-04-09 2000-10-19 Qinetiq Limited An optical fibre sensor assembly
US6449046B1 (en) * 1999-05-17 2002-09-10 Chung-Shan Institute Of Science And Technology Optically amplified WDM/TDM hybrid polarization-insensitive fiber-optic interferometric sensor system

Also Published As

Publication number Publication date
CN101454642A (zh) 2009-06-10
WO2007110574A1 (en) 2007-10-04
US9599489B2 (en) 2017-03-21
NO20084472L (no) 2008-12-29
CN101454642B (zh) 2014-12-03
TR201907003T4 (tr) 2019-06-21
EP1999439B1 (en) 2019-05-08
JP2009531692A (ja) 2009-09-03
EP1999439A1 (en) 2008-12-10
US20090080828A1 (en) 2009-03-26
GB0606010D0 (en) 2006-05-03

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Legal Events

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

Owner name: OPTASENSE HOLDINGS LTD, GB

MM1K Lapsed by not paying the annual fees