GB0921062D0 - Phased based sensing - Google Patents

Phased based sensing

Info

Publication number
GB0921062D0
GB0921062D0 GB0921062A GB0921062A GB0921062D0 GB 0921062 D0 GB0921062 D0 GB 0921062D0 GB 0921062 A GB0921062 A GB 0921062A GB 0921062 A GB0921062 A GB 0921062A GB 0921062 D0 GB0921062 D0 GB 0921062D0
Authority
GB
United Kingdom
Prior art keywords
based sensing
phased based
phased
sensing
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.)
Ceased
Application number
GB0921062A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qinetiq Ltd
Original Assignee
Qinetiq 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 Qinetiq Ltd filed Critical Qinetiq Ltd
Priority to GB0921062A priority Critical patent/GB0921062D0/en
Publication of GB0921062D0 publication Critical patent/GB0921062D0/en
Priority to PCT/GB2010/002192 priority patent/WO2011067554A1/en
Ceased legal-status Critical Current

Links

GB0921062A 2009-12-02 2009-12-02 Phased based sensing Ceased GB0921062D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0921062A GB0921062D0 (en) 2009-12-02 2009-12-02 Phased based sensing
PCT/GB2010/002192 WO2011067554A1 (en) 2009-12-02 2010-11-29 Phase based sensing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0921062A GB0921062D0 (en) 2009-12-02 2009-12-02 Phased based sensing

Publications (1)

Publication Number Publication Date
GB0921062D0 true GB0921062D0 (en) 2010-01-13

Family

ID=41573000

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0921062A Ceased GB0921062D0 (en) 2009-12-02 2009-12-02 Phased based sensing

Country Status (2)

Country Link
GB (1) GB0921062D0 (en)
WO (1) WO2011067554A1 (en)

Families Citing this family (21)

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Publication number Priority date Publication date Assignee Title
AU2009334819B2 (en) 2008-12-31 2013-12-12 Shell Internationale Research Maatschappij B.V. Method for monitoring deformation of well equipment
WO2010090660A1 (en) 2009-02-09 2010-08-12 Shell Oil Company Areal monitoring using distributed acoustic sensing
US8245780B2 (en) 2009-02-09 2012-08-21 Shell Oil Company Method of detecting fluid in-flows downhole
BR112012014349A2 (en) 2009-12-23 2016-08-23 Shell Int Research distributed acoustic sensing fiber optic set, and directionally sensitive, distributed acoustic sensing method
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
US9140815B2 (en) 2010-06-25 2015-09-22 Shell Oil Company Signal stacking in fiber optic distributed acoustic sensing
EP2596387B1 (en) 2010-09-01 2021-10-06 Services Pétroliers Schlumberger Distributed fiber optic sensor system with improved linearity
EP2656125A4 (en) 2010-12-21 2018-01-03 Shell Oil Company System and method for making distributed measurements using fiber optic cable
EP2656112A2 (en) 2010-12-21 2013-10-30 Shell Internationale Research Maatschappij B.V. Detecting the direction of acoustic signals with a fiber optical distributed acoustic sensing (das) assembly
CA2829092C (en) 2011-03-09 2019-02-26 Shell Internationale Research Maatschappij B.V. Integrated fiber optic monitoring system for a wellsite and method of using same
GB2489749B (en) * 2011-04-08 2016-01-20 Optasense Holdings Ltd Fibre optic distributed sensing
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
WO2012173924A2 (en) 2011-06-13 2012-12-20 Shell Oil Company 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
CA2844334C (en) 2011-08-09 2019-10-22 Shell Internationale Research Maatschappij B.V. Method and apparatus for measuring seismic parameters of a seismic vibrator
CA2858226C (en) 2011-12-15 2018-04-24 Shell Internationale Research Maatschappij B.V. Detecting broadside acoustic signals with a fiber optical distributed acoustic sensing (das) assembly
US10088353B2 (en) 2012-08-01 2018-10-02 Shell Oil Company Cable comprising twisted sinusoid for use in distributed sensing
US9784862B2 (en) * 2012-11-30 2017-10-10 Baker Hughes Incorporated Distributed downhole acousting sensing
EP3037788A1 (en) 2014-12-23 2016-06-29 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Detection of local property changes in an optical sensing fiber
US10359302B2 (en) 2015-12-18 2019-07-23 Schlumberger Technology Corporation Non-linear interactions with backscattered light
CN112161778B (en) * 2020-08-17 2022-08-02 南昌航空大学 Distributed optical fiber disturbance positioning method based on regression probability distribution

Family Cites Families (3)

* 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
GB2442746B (en) * 2006-10-13 2011-04-06 At & T Corp Method and apparatus for acoustic sensing using multiple optical pulses
GB0810977D0 (en) 2008-06-16 2008-07-23 Qinetiq Ltd Phase based sensing

Also Published As

Publication number Publication date
WO2011067554A1 (en) 2011-06-09

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)