AU2015257489B2 - Fibre optic distributed sensing - Google Patents

Fibre optic distributed sensing Download PDF

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Publication number
AU2015257489B2
AU2015257489B2 AU2015257489A AU2015257489A AU2015257489B2 AU 2015257489 B2 AU2015257489 B2 AU 2015257489B2 AU 2015257489 A AU2015257489 A AU 2015257489A AU 2015257489 A AU2015257489 A AU 2015257489A AU 2015257489 B2 AU2015257489 B2 AU 2015257489B2
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Australia
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fibre
phase
signal
channels
frequency
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AU2015257489A
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AU2015257489A1 (en
Inventor
Roger Crickmore
Andrew RIDGE
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Optasense Holdings Ltd
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Optasense Holdings Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/002—Investigating fluid-tightness of structures by using thermal means
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • G01M3/047—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means with photo-electrical detection means, e.g. using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations for pipes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Optical Transform (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Length Measuring Devices By Optical Means (AREA)
AU2015257489A 2014-05-08 2015-05-08 Fibre optic distributed sensing Active AU2015257489B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1408125.1 2014-05-08
GBGB1408125.1A GB201408125D0 (en) 2014-05-08 2014-05-08 Fibre optic distributed sensing
PCT/GB2015/051358 WO2015170114A1 (en) 2014-05-08 2015-05-08 Fibre optic distributed sensing

Publications (2)

Publication Number Publication Date
AU2015257489A1 AU2015257489A1 (en) 2016-11-10
AU2015257489B2 true AU2015257489B2 (en) 2019-11-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
AU2015257489A Active AU2015257489B2 (en) 2014-05-08 2015-05-08 Fibre optic distributed sensing

Country Status (9)

Country Link
US (1) US11199465B2 (https=)
EP (1) EP3140630B1 (https=)
CN (1) CN106461495B (https=)
AU (1) AU2015257489B2 (https=)
BR (1) BR112016025888B1 (https=)
CA (1) CA2947661C (https=)
GB (1) GB201408125D0 (https=)
MY (1) MY191285A (https=)
WO (1) WO2015170114A1 (https=)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10808521B2 (en) 2013-05-31 2020-10-20 Conocophillips Company Hydraulic fracture analysis
US10451475B2 (en) * 2015-01-07 2019-10-22 Schlumberger Technology Corporation Gauge length optimization in distributed vibration sensing
GB201522715D0 (en) * 2015-12-23 2016-02-03 Optasense Holdings Ltd Fibre optic temperature measurement
US10890058B2 (en) 2016-03-09 2021-01-12 Conocophillips Company Low-frequency DAS SNR improvement
US10465501B2 (en) 2016-03-09 2019-11-05 Conocophillips Company DAS method of estimating fluid distribution
AU2017246520B2 (en) 2016-04-07 2022-04-07 Bp Exploration Operating Company Limited Detecting downhole events using acoustic frequency domain features
BR112018070565A2 (pt) 2016-04-07 2019-02-12 Bp Exploration Operating Company Limited detecção de eventos de fundo de poço usando características de domínio da frequência acústicas
GB201618036D0 (en) * 2016-10-25 2016-12-07 Fotech Solutions Limited Distributed optical temperature sensor
RU2626078C1 (ru) * 2016-10-27 2017-07-21 Общество с ограниченной ответственностью "ПетроФайбер" Способ измерения распределения механических деформаций по длине оптического волокна
GB2560522B (en) * 2017-03-13 2022-03-16 Aiq Dienstleistungen Ug Haftungsbeschraenkt Dynamic sensitivity distributed acoustic sensing
EP3608503B1 (en) 2017-03-31 2022-05-04 BP Exploration Operating Company Limited Well and overburden monitoring using distributed acoustic sensors
CN106907138B (zh) * 2017-04-10 2018-10-09 西南石油大学 一种基于分布式光纤测温(dts)的压裂水平井裂缝诊断模拟实验装置及其方法
EP3619560B1 (en) 2017-05-05 2022-06-29 ConocoPhillips Company Stimulated rock volume analysis
US11255997B2 (en) 2017-06-14 2022-02-22 Conocophillips Company Stimulated rock volume analysis
CN107345345B (zh) * 2017-06-30 2020-06-05 浙江众邦机电科技有限公司 一种用于缝纫机的布料检测系统及方法
BR112020003742A2 (pt) 2017-08-23 2020-09-01 Bp Exploration Operating Company Limited detecção de localizações de ingresso de areia em fundo de poço
CA3078842C (en) 2017-10-11 2024-01-09 Bp Exploration Operating Company Limited Detecting events using acoustic frequency domain features
CA3078414A1 (en) 2017-10-17 2019-04-25 Conocophillips Company Low frequency distributed acoustic sensing hydraulic fracture geometry
EP3477266B1 (en) 2017-10-26 2022-03-30 AiQ Dienstleistungen UG (haftungsbeschränkt) Distributed acoustic sensing device using different coherent interrogating light patterns, and corresponding sensing method
CN108181052A (zh) * 2018-01-09 2018-06-19 中国计量大学 一种温度检测信号去噪方法及系统
WO2019191106A1 (en) 2018-03-28 2019-10-03 Conocophillips Company Low frequency das well interference evaluation
AU2019262121B2 (en) 2018-05-02 2023-10-12 Conocophillips Company Production logging inversion based on DAS/DTS
US12291943B2 (en) 2018-05-02 2025-05-06 Conocophillips Company Production logging inversion based on LFDAS/DTS
CN109029879A (zh) * 2018-05-29 2018-12-18 四川原皓源环境工程有限公司 一种中央空调的管道漏点自动感知的监控系统及方法
EP3775813B1 (en) 2018-06-27 2026-02-11 Victoria Link Limited Optical fibre sensing system and method
PL235969B1 (pl) * 2018-10-18 2020-11-16 El Cab Spolka Z Ograniczona Odpowiedzialnoscia Urządzenie do monitorowania temperatury, sposób monitorowania temperatury oraz system monitorowania temperatury
CA3119376A1 (en) 2018-11-13 2020-05-22 Fiber Sense Pty Ltd Method and system for distributed fibre optic sensing
US20200174149A1 (en) 2018-11-29 2020-06-04 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
CA3124638C (en) 2019-01-25 2024-05-14 Halliburton Energy Services, Inc. Phase sensing with redundant sensor difference error detection and smart correction
FR3094480B1 (fr) * 2019-03-29 2021-10-01 Frecnsys Capteur à ondes acoustiques et interrogation de celui-ci
US11378443B2 (en) * 2019-05-22 2022-07-05 Nec Corporation Performance of Rayleigh-based phase-OTDR with correlation-based diversity combining and bias removal
WO2021052602A1 (en) 2019-09-20 2021-03-25 Lytt Limited Systems and methods for sand ingress prediction for subterranean wellbores
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
US11387898B2 (en) * 2020-02-24 2022-07-12 Nec Corporation Distributed sensing over switched optical fiber networks
CN111638025B (zh) * 2020-05-19 2022-02-25 太原理工大学 面向隧道渗漏水监测的分布式光纤拉曼传感装置及方法
WO2021249643A1 (en) 2020-06-11 2021-12-16 Lytt Limited Systems and methods for subterranean fluid flow characterization
CA3182376A1 (en) 2020-06-18 2021-12-23 Cagri CERRAHOGLU Event model training using in situ data
WO2021254633A1 (en) 2020-06-18 2021-12-23 Lytt Limited Event model training using in situ data
US11674827B2 (en) * 2020-10-27 2023-06-13 Nec Corporation Saturation caused phase jump avoidance in DAS
US11733088B2 (en) * 2020-12-14 2023-08-22 Nec Corporation Spatial averaging method for coherent distributed acoustic sensing
GB202106046D0 (en) * 2021-04-28 2021-06-09 Optasense Holdings Ltd Fibre optic sensing
AU2022310512A1 (en) 2021-07-16 2024-01-25 Conocophillips Company Passive production logging instrument using heat and distributed acoustic sensing
US12607772B2 (en) * 2021-10-22 2026-04-21 Nec Corporation Snow / water level detection with distributed acoustic sensing integrated ultrasonic device
US20230283385A1 (en) * 2022-02-18 2023-09-07 Nec Laboratories America, Inc Data transmission-tolerant distributed acoustic sensing using chirped-pulses with time-domain roll off
CN114623921B (zh) * 2022-03-17 2024-05-28 智地感知(合肥)科技有限公司 分布式光纤振动传感的解调方法
WO2024129326A1 (en) * 2022-12-16 2024-06-20 ExxonMobil Technology and Engineering Company Methods of processing optical data generated by a distributed fiber optic sensing system that extends proximate hydrocarbon industrial infrastructure, and hydrocarbon industrial infrastructure that performs the methods
CN116399379B (zh) * 2023-06-07 2023-11-03 山东省科学院激光研究所 分布式光纤声波传感系统及其测量方法
CN117647324B (zh) * 2023-11-14 2024-08-02 哈尔滨工业大学 一种基于双向恒压驱动的差分比例温度测量电路及方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2442745A (en) * 2006-10-13 2008-04-16 At & T Corp Acoustic sensing using an optical fibre
WO2012137022A2 (en) * 2011-04-08 2012-10-11 Qinetiq Limited Fibre optic distributed sensing
WO2013051196A1 (ja) * 2011-10-05 2013-04-11 ニューブレクス株式会社 分布型光ファイバ音波検出装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2222247A (en) * 1988-08-23 1990-02-28 Plessey Co Plc Distributed fibre optic sensor system
CA2083219C (en) * 1991-11-19 1999-01-05 Hiroshi Nishimoto Optical transmitter having optical modulator
JP3549153B2 (ja) * 2000-09-20 2004-08-04 株式会社共和電業 光ファイバ干渉センサ、光ファイバ干渉センサの信号処理システム、信号処理方法および記録媒体
GB2416394B (en) * 2004-07-17 2006-11-22 Sensor Highway Ltd Method and apparatus for measuring fluid properties
CN1712919A (zh) * 2005-07-04 2005-12-28 秦一涛 管道渗漏定位分布式光纤温度传感监测装置及方法
GB0605066D0 (en) 2006-03-14 2006-04-26 Schlumberger Holdings Method and apparatus for monitoring structures
CN101285692A (zh) * 2008-06-04 2008-10-15 中国科学院长春光学精密机械与物理研究所 一种微弱信号检测装置
CN201521291U (zh) * 2009-04-23 2010-07-07 大连理工大学 井下分布式温度传感器
CN102322880B (zh) 2011-08-18 2013-06-05 天津大学 偏振敏感的分布式光频域反射扰动传感装置和解调方法
US8707090B2 (en) 2011-10-19 2014-04-22 Hitachi, Ltd. Storage system
CN102628698B (zh) * 2012-04-06 2015-02-18 中国科学院上海光学精密机械研究所 分布式光纤传感器及信息解调方法
US9002150B2 (en) * 2012-05-08 2015-04-07 General Dynamics Advanced Information Systems, Inc. Optical sensing system and method
CN102997949B (zh) * 2012-12-18 2015-06-24 华北电力大学（保定） 基于布里渊散射的温度和应变同时测量方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2442745A (en) * 2006-10-13 2008-04-16 At & T Corp Acoustic sensing using an optical fibre
WO2012137022A2 (en) * 2011-04-08 2012-10-11 Qinetiq Limited Fibre optic distributed sensing
WO2013051196A1 (ja) * 2011-10-05 2013-04-11 ニューブレクス株式会社 分布型光ファイバ音波検出装置

Also Published As

Publication number Publication date
EP3140630A1 (en) 2017-03-15
CN106461495A (zh) 2017-02-22
MY191285A (en) 2022-06-13
EP3140630B1 (en) 2020-09-09
WO2015170114A1 (en) 2015-11-12
CN106461495B (zh) 2020-08-11
GB201408125D0 (en) 2014-06-25
BR112016025888B1 (pt) 2022-05-10
CA2947661C (en) 2022-09-27
AU2015257489A1 (en) 2016-11-10
US11199465B2 (en) 2021-12-14
CA2947661A1 (en) 2015-11-12
BR112016025888A2 (https=) 2017-08-15
US20170045410A1 (en) 2017-02-16

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