BR112012011225A2 - sensor de fibra óptica distribuído, e, método de detecção por fibra óptica distribuída - Google Patents
sensor de fibra óptica distribuído, e, método de detecção por fibra óptica distribuídaInfo
- Publication number
- BR112012011225A2 BR112012011225A2 BR112012011225A BR112012011225A BR112012011225A2 BR 112012011225 A2 BR112012011225 A2 BR 112012011225A2 BR 112012011225 A BR112012011225 A BR 112012011225A BR 112012011225 A BR112012011225 A BR 112012011225A BR 112012011225 A2 BR112012011225 A2 BR 112012011225A2
- Authority
- BR
- Brazil
- Prior art keywords
- distributed
- optical
- fiber
- optical fiber
- sensor
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title abstract 4
- 239000000835 fiber Substances 0.000 title abstract 4
- 239000013307 optical fiber Substances 0.000 title abstract 4
- 230000003287 optical effect Effects 0.000 abstract 5
- 230000005855 radiation Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
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
- G01D5/35338—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
- G01D5/35361—Sensor working in reflection using backscattering to detect the measured quantity using elastic backscattering to detect the measured quantity, e.g. using Rayleigh backscattering
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
sensor de fibra óptica distribuído, e, método de detecção por fibra óptica distribuída a invenção diz respeito a um sensor de fibra óptica distribuído (104,106) com uma primeira resoluçção espacial (301,303) e uma segunda resoluçção esácial diferente (302,304). o sensor , que pode ser um sensor acústica distribuído, tem uma fonte óptica (112) configurada para a interrogar uma fibra óptica (104) com radição óptica e um detector (116) configurado jpara detectar radiação óptica retrodispersa dentro da fibra. um processador (108) é configurado para processar a radiação retrodispersa detectada para prover um a pluralidade de porções de detecção longitudinais de fibra. a fonte óptica e o processador são adaptados para prover primeira e segunda resoluções espaciais, por exemplo, mudando a duração e/ou separação dos pulsos ópticos e caixas de análise. a primeira e segunda resoluções espaciais podem ser providas sequencialmente ou simultaneamente e a resolução espacial usada pode ser variada como parte de um padrão implícito ou em resposta a um evento de detecção.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0919906.8A GB0919906D0 (en) | 2009-11-13 | 2009-11-13 | Improvements to distributed fibre optic sensing |
PCT/GB2010/002087 WO2011058322A2 (en) | 2009-11-13 | 2010-11-12 | Improvements in distributed fibre optic sensing |
Publications (3)
Publication Number | Publication Date |
---|---|
BR112012011225A2 true BR112012011225A2 (pt) | 2018-04-03 |
BR112012011225B1 BR112012011225B1 (pt) | 2020-01-21 |
BR112012011225B8 BR112012011225B8 (pt) | 2020-02-04 |
Family
ID=41509338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112012011225A BR112012011225B8 (pt) | 2009-11-13 | 2010-11-12 | sensor de fibra óptica distribuído, e, método de detecção por fibra óptica distribuída |
Country Status (9)
Country | Link |
---|---|
US (1) | US8923663B2 (pt) |
EP (1) | EP2499466B1 (pt) |
CN (1) | CN102292621B (pt) |
AU (1) | AU2010317703C1 (pt) |
BR (1) | BR112012011225B8 (pt) |
CA (1) | CA2780610C (pt) |
EA (1) | EA022899B1 (pt) |
GB (1) | GB0919906D0 (pt) |
WO (1) | WO2011058322A2 (pt) |
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GB0919906D0 (en) * | 2009-11-13 | 2009-12-30 | Qinetiq Ltd | Improvements to distributed fibre optic sensing |
US9109944B2 (en) | 2009-12-23 | 2015-08-18 | Shell Oil Company | Method and system for enhancing the spatial resolution of a fiber optical distributed acoustic sensing assembly |
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US9322702B2 (en) | 2010-12-21 | 2016-04-26 | Shell Oil Company | Detecting the direction of acoustic signals with a fiber optical distributed acoustic sensing (DAS) assembly |
WO2012087603A1 (en) | 2010-12-21 | 2012-06-28 | Shell Oil Company | System and method for making distributed measurements using fiber optic cable |
US9074462B2 (en) | 2011-03-09 | 2015-07-07 | Shell Oil Company | Integrated fiber optic monitoring system for a wellsite and method of using same |
WO2012156434A2 (en) | 2011-05-18 | 2012-11-22 | Shell Internationale Research Maatschappij B.V. | Method and system for protecting a conduit in an annular space around a well casing |
AU2012271016B2 (en) | 2011-06-13 | 2014-12-04 | Shell Internationale Research Maatschappij B.V. | Hydraulic fracture monitoring using active seismic sources with receivers in the treatment well |
CA2839212C (en) | 2011-06-20 | 2019-09-10 | Shell Internationale Research Maatschappij B.V. | Fiber optic cable with increased directional sensitivity |
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GB2506794B (en) | 2011-08-09 | 2016-08-17 | Shell Int Research | Method and apparatus for measuring seismic parameters of a seismic vibrator |
CN103988089B (zh) | 2011-12-15 | 2017-12-05 | 国际壳牌研究有限公司 | 用光纤分布式声感测(das)组合检测横向声信号 |
GB201208418D0 (en) * | 2012-05-14 | 2012-06-27 | Optasence Holdings Ltd | Radiation detector |
US10088353B2 (en) | 2012-08-01 | 2018-10-02 | Shell Oil Company | Cable comprising twisted sinusoid for use in distributed sensing |
US9134197B2 (en) * | 2013-01-15 | 2015-09-15 | Exfo Inc. | Bi-directional multi-pulsewidth optical time-domain reflectometer |
GB201318254D0 (en) * | 2013-10-15 | 2013-11-27 | Silixa Ltd | Optical fiber cable |
GB2532031A (en) * | 2014-11-05 | 2016-05-11 | Cambridge Consultants | System and method for detecting a change in shape of at least one predefined region of an optical fibre |
GB201503861D0 (en) * | 2015-03-06 | 2015-04-22 | Silixa Ltd | Method and apparatus for optical sensing |
GB2539254A (en) * | 2015-06-12 | 2016-12-14 | Pimon Gmbh | Method and apparatus for monitoring pipeline |
GB201515505D0 (en) * | 2015-09-01 | 2015-10-14 | Optasense Holdings Ltd | Distributed fibre optic sensing |
US10359302B2 (en) | 2015-12-18 | 2019-07-23 | Schlumberger Technology Corporation | Non-linear interactions with backscattered light |
BR112018070577A2 (pt) | 2016-04-07 | 2019-02-12 | Bp Exploration Operating Company Limited | detecção de localizações de ingresso de areia de fundo de poço |
AU2017246521B2 (en) | 2016-04-07 | 2023-02-02 | Bp Exploration Operating Company Limited | Detecting downhole sand ingress locations |
US11127270B2 (en) | 2016-11-11 | 2021-09-21 | Carrier Corporation | High sensitivity fiber optic based detection |
US20180136122A1 (en) * | 2016-11-11 | 2018-05-17 | Kidde Technologies, Inc. | High sensitivity fiber optic based detection |
ES2919300T3 (es) | 2016-11-11 | 2022-07-22 | Carrier Corp | Detección basada en fibra óptica de alta sensibilidad |
EP3539108B1 (en) | 2016-11-11 | 2020-08-12 | Carrier Corporation | High sensitivity fiber optic based detection |
US11151853B2 (en) | 2016-11-11 | 2021-10-19 | Carrier Corporation | High sensitivity fiber optic based detection |
CA3058256C (en) | 2017-03-31 | 2023-09-12 | Bp Exploration Operating Company Limited | Well and overburden monitoring using distributed acoustic sensors |
WO2019005823A1 (en) | 2017-06-26 | 2019-01-03 | The Trustees Of Columbia University In The City Of New York | MILLIMETRIC SCALE LENGTH NETWORK COUPLER |
WO2019190577A2 (en) | 2017-06-26 | 2019-10-03 | The Trustees of Columbia University in the City of the New York | Densely-packed optical phased arrays via k-vector mismatch and metamaterial rods |
AU2018321150A1 (en) | 2017-08-23 | 2020-03-12 | Bp Exploration Operating Company Limited | Detecting downhole sand ingress locations |
US11333636B2 (en) | 2017-10-11 | 2022-05-17 | Bp Exploration Operating Company Limited | Detecting events using acoustic frequency domain features |
US10935417B2 (en) * | 2017-10-26 | 2021-03-02 | Aiq Dienstleistungen Ug (Haftungsbeschränkt) | Distributed acoustic sensing system using different coherent interrogating light patterns and corresponding sensing method |
JP6791113B2 (ja) * | 2017-12-27 | 2020-11-25 | 横河電機株式会社 | 光ファイバ特性測定装置及び光ファイバ特性測定方法 |
CN113330185A (zh) | 2018-11-29 | 2021-08-31 | Bp探索操作有限公司 | 利用机器学习使用das特征的事件检测 |
GB201820331D0 (en) | 2018-12-13 | 2019-01-30 | Bp Exploration Operating Co Ltd | Distributed acoustic sensing autocalibration |
WO2021073740A1 (en) | 2019-10-17 | 2021-04-22 | Lytt Limited | Inflow detection using dts features |
WO2021073741A1 (en) | 2019-10-17 | 2021-04-22 | Lytt Limited | Fluid inflow characterization using hybrid das/dts measurements |
WO2021093974A1 (en) | 2019-11-15 | 2021-05-20 | Lytt Limited | Systems and methods for draw down improvements across wellbores |
CN113218494A (zh) | 2020-01-21 | 2021-08-06 | 中国科学院上海光学精密机械研究所 | 一种分布式光纤声传感系统及信号处理方法 |
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EP4168647A1 (en) | 2020-06-18 | 2023-04-26 | Lytt Limited | Event model training using in situ data |
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-
2009
- 2009-11-13 GB GBGB0919906.8A patent/GB0919906D0/en not_active Ceased
-
2010
- 2010-11-12 BR BR112012011225A patent/BR112012011225B8/pt not_active IP Right Cessation
- 2010-11-12 WO PCT/GB2010/002087 patent/WO2011058322A2/en active Application Filing
- 2010-11-12 AU AU2010317703A patent/AU2010317703C1/en not_active Ceased
- 2010-11-12 CN CN201080005142.7A patent/CN102292621B/zh not_active Expired - Fee Related
- 2010-11-12 US US13/509,402 patent/US8923663B2/en active Active
- 2010-11-12 CA CA2780610A patent/CA2780610C/en active Active
- 2010-11-12 EA EA201290327A patent/EA022899B1/ru not_active IP Right Cessation
- 2010-11-12 EP EP10785490.3A patent/EP2499466B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
AU2010317703C1 (en) | 2015-02-12 |
EA022899B1 (ru) | 2016-03-31 |
EA201290327A1 (ru) | 2012-12-28 |
CA2780610C (en) | 2017-12-19 |
WO2011058322A2 (en) | 2011-05-19 |
BR112012011225B1 (pt) | 2020-01-21 |
CN102292621B (zh) | 2015-02-25 |
EP2499466A2 (en) | 2012-09-19 |
EP2499466B1 (en) | 2014-02-12 |
WO2011058322A3 (en) | 2011-07-28 |
GB0919906D0 (en) | 2009-12-30 |
AU2010317703A1 (en) | 2012-07-05 |
CA2780610A1 (en) | 2011-05-19 |
BR112012011225B8 (pt) | 2020-02-04 |
US8923663B2 (en) | 2014-12-30 |
US20120230628A1 (en) | 2012-09-13 |
AU2010317703B2 (en) | 2014-06-19 |
CN102292621A (zh) | 2011-12-21 |
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B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/11/2010, OBSERVADAS AS CONDICOES LEGAIS. |
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B16C | Correction of notification of the grant [chapter 16.3 patent gazette] |
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B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2696 DE 06-09-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |