BR112012011226A2 - 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. - Google Patents

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.

Info

Publication number
BR112012011226A2
BR112012011226A2 BR112012011226A BR112012011226A BR112012011226A2 BR 112012011226 A2 BR112012011226 A2 BR 112012011226A2 BR 112012011226 A BR112012011226 A BR 112012011226A BR 112012011226 A BR112012011226 A BR 112012011226A BR 112012011226 A2 BR112012011226 A2 BR 112012011226A2
Authority
BR
Brazil
Prior art keywords
fiber
optical fiber
cable
distributed
sensor
Prior art date
Application number
BR112012011226A
Other languages
English (en)
Other versions
BR112012011226B1 (pt
Inventor
John Hill David
Mcewen-King Magnus
Ian Crickmore Roger
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 BR112012011226A2 publication Critical patent/BR112012011226A2/pt
Publication of BR112012011226B1 publication Critical patent/BR112012011226B1/pt

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/353Mechanical 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/24Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G01L1/243Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using means for applying force perpendicular to the fibre axis
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/353Mechanical 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
    • G01D5/3537Optical fibre sensor using a particular arrangement of the optical fibre itself
    • G01D5/3538Optical fibre sensor using a particular arrangement of the optical fibre itself using a particular type of fiber, e.g. fibre with several cores, PANDA fiber, fiber with an elliptic core or the like
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00Measuring 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
    • G01L11/02Measuring 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
    • G01L11/025Measuring 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/20Arrangements of receiving elements, e.g. geophone pattern
    • G01V1/201Constructional details of seismic cables, e.g. streamers
    • G01V1/208Constructional details of seismic cables, e.g. streamers having a continuous structure
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/40Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
    • G01V1/52Structural details
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/032Optical fibres with cladding with or without a coating with non solid core or cladding
    • G02B2006/0325Fluid core or cladding

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Transform (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Communication Cables (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

fibra óptica , cabo de fibra óptica, sensor de fibra óptica acústica dsitribuído , uso de uma fibra óptica , sensor de fibra distribuído , e, de um cabo de fibra óptica. são revelados cabos ópticos de fibra com melhor desempenho para uso em detecção distribuída , por exemplo , em sensores acústicos distribuídos. em uma modalidade, um cabo de fibra óptica (210) compreende um núcleo (208) e revestimento (206) dispostos dentro de um material de amortecimento (202) e envoltos por uma camisa (204) e arranjados de forma que o núcleo fique deslocado do centro do cabo. pelo deslocamento do núcleo do centro da camisa , qualquer efeito de dobramento no núcleo pode ser maximizado, comparado com quando o núcleo é localizado no centro do cabo.
BR112012011226A 2009-11-13 2010-11-11 fibra óptica, cabo de fibra óptica, e, sensor de fibra óptica acústico distribuído BR112012011226B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0919902.7A GB0919902D0 (en) 2009-11-13 2009-11-13 Improvements in fibre optic cables for distributed sensing
PCT/GB2010/002074 WO2011058314A1 (en) 2009-11-13 2010-11-11 Optic fibres and fibre optic sensing

Publications (2)

Publication Number Publication Date
BR112012011226A2 true BR112012011226A2 (pt) 2018-03-27
BR112012011226B1 BR112012011226B1 (pt) 2020-01-21

Family

ID=41509334

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012011226A BR112012011226B1 (pt) 2009-11-13 2010-11-11 fibra óptica, cabo de fibra óptica, e, sensor de fibra óptica acústico distribuído

Country Status (10)

Country Link
US (2) US9677956B2 (pt)
EP (2) EP2499472B1 (pt)
CN (2) CN102822645B (pt)
AU (1) AU2010317792B2 (pt)
BR (1) BR112012011226B1 (pt)
CA (3) CA2780569C (pt)
EA (2) EA032731B1 (pt)
GB (1) GB0919902D0 (pt)
MY (1) MY162097A (pt)
WO (1) WO2011058314A1 (pt)

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CN108645430A (zh) 2018-10-12
EP2803957A3 (en) 2015-01-21
EA029335B1 (ru) 2018-03-30
BR112012011226B1 (pt) 2020-01-21
EA201400829A1 (ru) 2015-03-31
EA201290303A1 (ru) 2012-12-28
CA2780569A1 (en) 2011-05-19
EA032731B1 (ru) 2019-07-31
CA3051560A1 (en) 2011-05-19
EP2499472B1 (en) 2016-01-27
CN102822645A (zh) 2012-12-12
CA3051561A1 (en) 2011-05-19
US9677956B2 (en) 2017-06-13
AU2010317792A1 (en) 2012-07-05
GB0919902D0 (en) 2009-12-30
US11099085B2 (en) 2021-08-24
WO2011058314A1 (en) 2011-05-19
MY162097A (en) 2017-05-31
EP2499472A1 (en) 2012-09-19
US20120222487A1 (en) 2012-09-06
US20170343433A1 (en) 2017-11-30
EP2803957A2 (en) 2014-11-19
CN102822645B (zh) 2018-07-27
CA2780569C (en) 2019-09-24
EP2803957B1 (en) 2017-01-11
AU2010317792B2 (en) 2014-07-24

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