JP2019529952A5 - - Google Patents

Download PDF

Info

Publication number
JP2019529952A5
JP2019529952A5 JP2019535420A JP2019535420A JP2019529952A5 JP 2019529952 A5 JP2019529952 A5 JP 2019529952A5 JP 2019535420 A JP2019535420 A JP 2019535420A JP 2019535420 A JP2019535420 A JP 2019535420A JP 2019529952 A5 JP2019529952 A5 JP 2019529952A5
Authority
JP
Japan
Prior art keywords
optical fiber
subset
channel
acoustic
geographic area
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2019535420A
Other languages
English (en)
Japanese (ja)
Other versions
JP7267918B2 (ja
JP2019529952A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/AU2017/050985 external-priority patent/WO2018045433A1/en
Publication of JP2019529952A publication Critical patent/JP2019529952A/ja
Publication of JP2019529952A5 publication Critical patent/JP2019529952A5/ja
Priority to JP2022177980A priority Critical patent/JP7750518B2/ja
Application granted granted Critical
Publication of JP7267918B2 publication Critical patent/JP7267918B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2019535420A 2016-09-08 2017-09-08 分散音響センシングのための方法およびシステム Active JP7267918B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022177980A JP7750518B2 (ja) 2016-09-08 2022-11-07 分散音響センシングのための方法およびシステム

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2016903617 2016-09-08
AU2016903617A AU2016903617A0 (en) 2016-09-08 Method and system for distributed acoustic sensing
PCT/AU2017/050985 WO2018045433A1 (en) 2016-09-08 2017-09-08 Method and system for distributed acoustic sensing

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022177980A Division JP7750518B2 (ja) 2016-09-08 2022-11-07 分散音響センシングのための方法およびシステム

Publications (3)

Publication Number Publication Date
JP2019529952A JP2019529952A (ja) 2019-10-17
JP2019529952A5 true JP2019529952A5 (https=) 2020-10-08
JP7267918B2 JP7267918B2 (ja) 2023-05-02

Family

ID=61561341

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2019535420A Active JP7267918B2 (ja) 2016-09-08 2017-09-08 分散音響センシングのための方法およびシステム
JP2022177980A Active JP7750518B2 (ja) 2016-09-08 2022-11-07 分散音響センシングのための方法およびシステム

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2022177980A Active JP7750518B2 (ja) 2016-09-08 2022-11-07 分散音響センシングのための方法およびシステム

Country Status (8)

Country Link
US (4) US10650648B2 (https=)
EP (1) EP3510363B1 (https=)
JP (2) JP7267918B2 (https=)
AU (4) AU2017325116B2 (https=)
CA (2) CA3036133C (https=)
ES (1) ES2970377T3 (https=)
SG (2) SG11201901980QA (https=)
WO (1) WO2018045433A1 (https=)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112018070577A2 (pt) 2016-04-07 2019-02-12 Bp Exploration Operating Company Limited detecção de localizações de ingresso de areia de fundo de poço
EP3670830B1 (en) 2016-04-07 2021-08-11 BP Exploration Operating Company Limited Detecting downhole events using acoustic frequency domain features
EP3510363B1 (en) 2016-09-08 2023-11-01 Fiber Sense Limited Method for distributed acoustic sensing
WO2018178279A1 (en) 2017-03-31 2018-10-04 Bp Exploration Operating Company Limited Well and overburden monitoring using distributed acoustic sensors
AU2018303340B2 (en) * 2017-07-18 2024-06-06 Fiber Sense Limited Method and system for distributed acoustic sensing in a marine environment
JP6989703B2 (ja) 2017-07-26 2022-01-05 テッラ１５ プロプライエタリー リミテッド 分布光学センシングシステム及び方法
EP3673148B1 (en) 2017-08-23 2021-10-06 BP Exploration Operating Company Limited Detecting downhole sand ingress locations
WO2019072899A2 (en) 2017-10-11 2019-04-18 Bp Exploration Operating Company Limited EVENT DETECTION USING FREQUENCY DOMAIN ACOUSTIC CHARACTERISTICS
JP6774451B2 (ja) * 2018-03-06 2020-10-21 日本電信電話株式会社 光ファイバケーブル監視方法および光ファイバケーブル監視システム
EP3575758A1 (en) * 2018-06-01 2019-12-04 Frauscher Sensortechnik GmbH Monitoring unit for monitoring a linear asset and method for monitoring a linear asset
US11131578B2 (en) * 2018-06-28 2021-09-28 Nec Corporation Two stage detection method for distributed vibration detection
US11132542B2 (en) * 2018-06-28 2021-09-28 Nec Corporation Time-space de-noising for distributed sensors
US10763964B2 (en) * 2018-06-28 2020-09-01 Nec Corporation Bidirectional optical communication and sensing WDM architecture using same fiber transmission band
US11476930B2 (en) * 2018-08-30 2022-10-18 Nec Corporation Optical time domain reflectometer, method of testing optical transmission line, and test system of optical transmission line
CN112601945B (zh) * 2018-08-30 2022-10-28 日本电气株式会社 光学时域反射仪、光学传输线路的测试方法以及光学传输线路的测试系统
WO2020051537A2 (en) * 2018-09-06 2020-03-12 Adelos, Inc. Optical mandrel, optical-fiber assembly including an optical mandrel, and system for detecting an acoustic signal incident on an optical-fiber assembly
JP6974747B2 (ja) * 2018-09-20 2021-12-01 日本電信電話株式会社 マンホール位置特定方法及びマンホール位置特定システム
US11366231B2 (en) * 2018-10-23 2022-06-21 Nec Corporation Smart optical cable positioning/location using optical fiber sensing
AU2019380874B2 (en) 2018-11-13 2024-12-19 Fiber Sense Limited Method and system for distributed fibre optic sensing
EP4234881A3 (en) 2018-11-29 2023-10-18 BP Exploration Operating Company Limited Das data processing to identify fluid inflow locations and fluid type
JPWO2020116030A1 (ja) * 2018-12-03 2021-10-07 日本電気株式会社 道路監視システム、道路監視装置、道路監視方法、及びプログラム
GB201820331D0 (en) 2018-12-13 2019-01-30 Bp Exploration Operating Co Ltd Distributed acoustic sensing autocalibration
WO2020190569A1 (en) 2019-03-20 2020-09-24 Ticona Llc Polymer composition for use in a camera module
US10931366B2 (en) * 2019-03-26 2021-02-23 Nec Corporation Distributed sensing over optical fiber carrying live, high-speed data
US20220225033A1 (en) * 2019-05-29 2022-07-14 Nec Corporation Optical fiber sensing system, optical fiber sensing device, and sound output method
WO2021052602A1 (en) 2019-09-20 2021-03-25 Lytt Limited Systems and methods for sand ingress prediction for subterranean wellbores
CA3154435C (en) 2019-10-17 2023-03-28 Lytt Limited Inflow detection using dts features
EP4045766A1 (en) 2019-10-17 2022-08-24 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
CN110940492B (zh) * 2019-12-17 2025-05-13 国网新疆电力有限公司昌吉供电公司 一种基于das与otdr的光缆状态监测系统及方法
US11276302B2 (en) * 2020-01-30 2022-03-15 Nec Corporation Traffic monitoring apparatus and method of using the same
US11387898B2 (en) * 2020-02-24 2022-07-12 Nec Corporation Distributed sensing over switched optical fiber networks
US12352619B2 (en) * 2020-03-06 2025-07-08 Nec Corporation Optical fiber sensing system, optical fiber sensing method, and optical fiber sensing apparatus
US11802810B2 (en) 2020-03-09 2023-10-31 Verizon Patent And Licensing Inc. Systems and methods for determining fiber cable geographic locations
US11060950B1 (en) * 2020-03-09 2021-07-13 Verizon Patent And Licensing Inc. Systems and methods for identifying locations of deployed fiber cables based on vibrations
US11284173B2 (en) * 2020-04-07 2022-03-22 Nec Corporation Network sensing topologies for fiber optic sensing
WO2021207097A1 (en) * 2020-04-07 2021-10-14 Nec Laboratories America, Inc. Network sensing topologies for fiber optic sensing
US11686909B2 (en) * 2020-04-14 2023-06-27 Nec Corporation Utility pole localization using distributed acoustic sensing
WO2021249643A1 (en) 2020-06-11 2021-12-16 Lytt Limited Systems and methods for subterranean fluid flow characterization
WO2021254633A1 (en) 2020-06-18 2021-12-23 Lytt Limited Event model training using in situ data
CA3182376A1 (en) 2020-06-18 2021-12-23 Cagri CERRAHOGLU Event model training using in situ data
CN112002092B (zh) * 2020-08-07 2022-02-01 太原理工大学 一种高速铁路站台防越界分布式光纤预警系统
JP7380891B2 (ja) * 2020-08-13 2023-11-15 日本電気株式会社 未確認音抽出装置および未確認音抽出方法
US20220065690A1 (en) * 2020-08-25 2022-03-03 Nec Laboratories America, Inc Statistical image processing-based anomaly detection system for cable cut prevention
JP7513106B2 (ja) * 2020-09-17 2024-07-09 日本電気株式会社 水域監視装置及び水域監視方法
JP7543113B2 (ja) * 2020-12-03 2024-09-02 東日本旅客鉄道株式会社 情報処理システム、情報処理装置、情報処理方法及びプログラム
EP4016036B1 (en) * 2020-12-17 2026-04-01 AP Sensing GmbH Optic distributed sensing in a blind region
US12051326B2 (en) * 2021-01-15 2024-07-30 Nec Corporation Road traffic extraction for unknown anomaly detection using distributed fiber optic sensing
US20220247488A1 (en) * 2021-02-02 2022-08-04 Huawei Technologies Co., Ltd. Method and system inspecting fibered optical communication paths
US11846569B2 (en) * 2021-04-08 2023-12-19 Nec Corporation Utility pole integrity assessment by distributed acoustic sensing and machine learning
JP7635830B2 (ja) * 2021-04-09 2025-02-26 日本電気株式会社 道路監視システム、道路監視装置、道路監視方法、及び道路監視プログラム
US20220333956A1 (en) * 2021-04-14 2022-10-20 Nec Laboratories America, Inc Mapping using optical fiber sensing
US12560474B2 (en) 2021-05-13 2026-02-24 Nec Corporation Laid state identifying system, laid state identifying apparatus, and laid state identifying method
US20230028676A1 (en) * 2021-07-23 2023-01-26 Nec Laboratories America, Inc Location determination of deployed fiber cables using distributed fiber optic sensing
WO2023021680A1 (ja) * 2021-08-20 2023-02-23 日本電気株式会社 事象検出装置、事象検出システム及び事象検出方法
US12516976B2 (en) * 2021-10-02 2026-01-06 Nec Corportation Outdoor application of distributed fiber optic sensing / acoustic sensing
US20230366725A1 (en) * 2022-05-13 2023-11-16 Nec Laboratories America, Inc Utility pole integrity assessment by das and machine learning using environmental noise
US20230366726A1 (en) * 2022-05-13 2023-11-16 Nec Laboratories America, Inc Efficient method of automated buried cable determination for cable status monitoring
CN115077683B (zh) * 2022-07-05 2025-10-31 清华大学 基于分布式光纤传感的边坡检测装置及方法
US12590834B2 (en) 2022-08-26 2026-03-31 Google Llc Mapping fiber networks
JPWO2025017891A1 (https=) * 2023-07-20 2025-01-23
WO2025189248A1 (en) * 2024-03-15 2025-09-18 Project S Technologies Pty Ltd Aircraft detection and tracking method and system
FR3163461A1 (fr) * 2024-06-12 2025-12-19 Orange Procédé et dispositif de surveillance d’un environnement externe
US12483814B1 (en) 2024-08-12 2025-11-25 Frontier Communications Holdings, Llc Systems and methods for qualifying on-ramp facilities in networking systems
US12294820B1 (en) 2024-08-12 2025-05-06 Frontier Communications Holdings, Llc Systems and methods for providing route redundancy in networking systems
US12294407B1 (en) 2024-08-12 2025-05-06 Frontier Communications Holdings, Llc Systems and methods for fiber upstream trace determination
US12294819B1 (en) 2024-08-12 2025-05-06 Frontier Communications Holdings, Llc Systems and methods for external ethernet qualification
CN121502152B (zh) * 2026-01-14 2026-03-31 山东星冉信息科技有限公司 基于统计分析的das信号底噪消除方法、系统、设备

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH045529A (ja) * 1990-04-23 1992-01-09 Fujikura Ltd 光ファイバ式温度分布測定装置
JPH04168324A (ja) * 1990-10-31 1992-06-16 Fujikura Ltd 水位分布検出装置
JPH04184128A (ja) * 1990-11-16 1992-07-01 Fujikura Ltd 分布型温度センサ
JPH04199012A (ja) * 1990-11-29 1992-07-20 Fujikura Ltd 光ファイバの保護構造
JP3340849B2 (ja) * 1994-07-21 2002-11-05 株式会社オーシーシー 光学式時系列反射測定方法及び装置
WO2002033443A2 (en) * 2000-06-14 2002-04-25 Vermeer Manufacturing Company Utility mapping and data distribution system and method
US20030234921A1 (en) * 2002-06-21 2003-12-25 Tsutomu Yamate Method for measuring and calibrating measurements using optical fiber distributed sensor
US6772974B2 (en) * 2002-11-19 2004-08-10 Fitel Usa Corp. Systems and methods for precision mapping and removal of defects in a spooled material using spool rotation and variable winding pitch
GB2442745B (en) * 2006-10-13 2011-04-06 At & T Corp Method and apparatus for acoustic sensing using multiple optical pulses
CN101051869A (zh) 2007-05-17 2007-10-10 上海光朗信通讯技术有限公司 光缆通信线路安防监控系统
US8121442B2 (en) * 2008-12-24 2012-02-21 At&T Intellectual Property I, L.P. Optical fiber surveillance topology
US8073294B2 (en) * 2008-12-29 2011-12-06 At&T Intellectual Property I, L.P. Remote optical fiber surveillance system and method
CN102428653B (zh) * 2009-03-17 2014-11-26 天工方案公司 无表面声波、无低噪声放大器的低噪声接收器
EP2426799B1 (en) * 2009-04-27 2018-05-23 Fujitsu Limited Method and device for analyzing laying condition of wire
GB2476449B (en) 2009-09-18 2013-12-11 Optasense Holdings Ltd Wide area seismic detection
GB0919902D0 (en) * 2009-11-13 2009-12-30 Qinetiq Ltd Improvements in fibre optic cables for distributed sensing
GB0919904D0 (en) 2009-11-13 2009-12-30 Qinetiq Ltd Determining lateral offset in distributed fibre optic acoustic sensing
GB0919899D0 (en) * 2009-11-13 2009-12-30 Qinetiq Ltd Fibre optic distributed sensing
US8183520B2 (en) * 2009-11-13 2012-05-22 Intuitive Surgical Operations, Inc. Optical fiber shape sensor calibration
WO2011109895A1 (en) * 2010-03-12 2011-09-15 Senstar Corporation Ranging michelson interferometric sensor with compound termination
JP2012189804A (ja) * 2011-03-10 2012-10-04 Sumitomo Electric Ind Ltd 光ファイバ
CN102243795A (zh) 2011-03-29 2011-11-16 上海安数信息技术有限公司 一种在安防系统中应用的光纤智能传感装置
GB201110403D0 (en) * 2011-06-20 2011-08-03 Qinetiq Ltd Monitoring of conduits
NL2007976C2 (en) * 2011-12-15 2013-06-18 Draka Comteq Bv A method for the characterization of optical properties of an optical fiber.
GB201201727D0 (en) * 2012-02-01 2012-03-14 Qinetiq Ltd Indicating locations
WO2014204839A1 (en) * 2013-06-18 2014-12-24 Intuitive Surgical Operations, Inc. Methods and apparatus segmented calibration of a sensing optical fiber
US9228922B1 (en) * 2013-10-31 2016-01-05 The United States Of America As Represented By The Secretary Of The Navy Optical time domain reflectometer calibration standard
GB2525251A (en) 2014-04-18 2015-10-21 Mic Ag Optical fibre sensor system
GB201413242D0 (en) 2014-07-25 2014-09-10 Fotech Solutions Ltd Distributed Optical Fibre Sensors
GB201414616D0 (en) * 2014-08-18 2014-10-01 Optasense Holdings Ltd Detection of anomalies in rail wheelsets
WO2016033199A1 (en) 2014-08-28 2016-03-03 Adelos, Inc. Real-time fiber optic interferometry controller
WO2016081579A1 (en) * 2014-11-18 2016-05-26 Westerngeco Llc Monitoring marine seismic cables with optical fiber
JP6346852B2 (ja) * 2014-11-27 2018-06-20 日本電信電話株式会社 光ファイバの曲げ形状測定装置及びその曲げ形状測定方法
GB201502025D0 (en) * 2015-02-06 2015-03-25 Optasence Holdings Ltd Optical fibre sensing
FR3045841B1 (fr) 2015-12-16 2019-08-02 Thales Unite de mesure non acoustique
GB201601060D0 (en) * 2016-01-20 2016-03-02 Fotech Solutions Ltd Distributed optical fibre sensors
EP3510363B1 (en) 2016-09-08 2023-11-01 Fiber Sense Limited Method for distributed acoustic sensing
CA3043239A1 (en) 2016-11-10 2018-05-17 Mark Andrew Englund Acoustic method and system for providing digital data

Similar Documents

Publication Publication Date Title
JP2019529952A5 (https=)
JP7750518B2 (ja) 分散音響センシングのための方法およびシステム
US9435902B2 (en) Wide area seismic detection
US12000729B2 (en) Perpendicular distance prediction of vibrations by distributed fiber optic sensing
JP2019537721A (ja) デジタルデータを提供する音響方法及びシステム
US20260092795A1 (en) Acoustic method and system for tracking objects and identifying trends in tracks of tracked objects for behavioural and relationship information
Xia et al. Field trial of abnormal activity detection and threat level assessment with fiber optic sensing for telecom infrastructure protection
US12111189B2 (en) Object localization and threat classification for optical cable protection
IL303092A (en) Perimeter vibration detection system and method
JP7605222B2 (ja) 光ファイバセンシングシステム、光ファイバセンシング方法、及び光ファイバセンシング装置
Pellegrini et al. Polarization-based Optical Fiber Sensing: A State of the Art Review
Murakami et al. Field trial of DAS data analysis methods for detecting excavation encroachment
US20260005544A1 (en) Integrating fiber sensing and advanced grid analysis for proactive grid resilience
CN118118090A (zh) 同路由检测方法和装置
AU2024307716A1 (en) Method and/or system for reducing number of redundant cable paths in an optical network
Hill et al. Distributed acoustic sensing for pipeline monitoring