NO2418466T3 - - Google Patents

Info

Publication number
NO2418466T3
NO2418466T3 NO11250594A NO11250594A NO2418466T3 NO 2418466 T3 NO2418466 T3 NO 2418466T3 NO 11250594 A NO11250594 A NO 11250594A NO 11250594 A NO11250594 A NO 11250594A NO 2418466 T3 NO2418466 T3 NO 2418466T3
Authority
NO
Norway
Application number
NO11250594A
Other languages
Norwegian (no)
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 filed Critical
Publication of NO2418466T3 publication Critical patent/NO2418466T3/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
    • E21B47/135—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency using light waves, e.g. infrared or ultraviolet waves
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G02B6/4432—Protective covering with fibre reinforcements
    • G02B6/4433—Double reinforcement laying in straight line with optical transmission element
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/10—Aspects of acoustic signal generation or detection
    • G01V2210/14—Signal detection
    • G01V2210/142—Receiver location
    • G01V2210/1429—Subsurface, e.g. in borehole or below weathering layer or mud line

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Geophysics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
NO11250594A 2010-06-17 2011-06-17 NO2418466T3 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35592410P 2010-06-17 2010-06-17

Publications (1)

Publication Number Publication Date
NO2418466T3 true NO2418466T3 (https=) 2018-06-23

Family

ID=44561340

Family Applications (1)

Application Number Title Priority Date Filing Date
NO11250594A NO2418466T3 (https=) 2010-06-17 2011-06-17

Country Status (4)

Country Link
US (2) US9255836B2 (https=)
EP (2) EP3321648B1 (https=)
CA (3) CA2858016C (https=)
NO (1) NO2418466T3 (https=)

Families Citing this family (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8584519B2 (en) * 2010-07-19 2013-11-19 Halliburton Energy Services, Inc. Communication through an enclosure of a line
WO2012054635A2 (en) * 2010-10-19 2012-04-26 Weatherford/Lamb, Inc. Monitoring using distributed acoustic sensing (das) technology
US8902078B2 (en) 2010-12-08 2014-12-02 Halliburton Energy Services, Inc. Systems and methods for well monitoring
GB201100636D0 (en) 2011-01-14 2011-03-02 Qinetiq Ltd Fibre optic distributed sensing
GB201103254D0 (en) * 2011-02-25 2011-04-13 Qinetiq Ltd Distributed acoustic sensing
GB201114834D0 (en) 2011-08-26 2011-10-12 Qinetiq Ltd Determining perforation orientation
JP5948035B2 (ja) * 2011-10-05 2016-07-06 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
US10173286B2 (en) 2011-10-19 2019-01-08 Weatherford Technology Holdings, Llc Optical fiber coating to reduce friction and static charge
AU2012352253C1 (en) * 2011-12-15 2018-05-10 Shell Internationale Research Maatschappij B.V. Detecting broadside acoustic signals with a fiber optical distributed acoustic sensing (DAS) assembly
GB201203854D0 (en) 2012-03-05 2012-04-18 Qinetiq Ltd Monitoring flow conditions downwell
WO2014014378A1 (en) * 2012-07-19 2014-01-23 Siemens Aktiengesellschaft System for monitoring a technical installation
US10088353B2 (en) 2012-08-01 2018-10-02 Shell Oil Company Cable comprising twisted sinusoid for use in distributed sensing
EP2725186B1 (en) * 2012-10-25 2019-08-07 GE Oil & Gas UK Limited Sheath for flexible pipe bodies and method for producing the same
US20140202240A1 (en) * 2013-01-24 2014-07-24 Halliburton Energy Services, Inc. Flow velocity and acoustic velocity measurement with distributed acoustic sensing
US10247840B2 (en) * 2013-01-24 2019-04-02 Halliburton Energy Services, Inc. Optical well logging
US9581489B2 (en) 2013-01-26 2017-02-28 Halliburton Energy Services, Inc. Distributed acoustic sensing with multimode fiber
US9279317B2 (en) * 2013-03-14 2016-03-08 Baker Hughes Incorporated Passive acoustic resonator for fiber optic cable tubing
GB201312549D0 (en) * 2013-07-12 2013-08-28 Fotech Solutions Ltd Monitoring of hydraulic fracturing operations
US9447679B2 (en) 2013-07-19 2016-09-20 Saudi Arabian Oil Company Inflow control valve and device producing distinct acoustic signal
US9321222B2 (en) * 2013-08-13 2016-04-26 Baker Hughes Incorporated Optical fiber sensing with enhanced backscattering
US10386215B2 (en) 2013-08-23 2019-08-20 Baker Hughes, A Ge Company, Llc Method for monitoring a flow using distributed acoustic sensing
US9823114B2 (en) 2013-09-13 2017-11-21 Silixa Ltd. Non-isotropic acoustic cable
GB2518359B (en) * 2013-09-13 2018-05-23 Silixa Ltd Acoustic cables
US9739142B2 (en) 2013-09-16 2017-08-22 Baker Hughes Incorporated Fiber optic vibration monitoring
US20150082891A1 (en) * 2013-09-24 2015-03-26 Baker Hughes Incorporated System and method for measuring the vibration of a structure
WO2015085423A1 (en) 2013-12-13 2015-06-18 Hifi Engineering Inc. Apparatus for detecting acoustic signals in a housing
WO2015117051A1 (en) * 2014-01-31 2015-08-06 Schlumberger Canada Limited Monitoring of equipment associated with a borehole/conduit
US10343193B2 (en) 2014-02-24 2019-07-09 The Boeing Company System and method for surface cleaning
WO2015153108A1 (en) 2014-04-04 2015-10-08 Exxonmobil Upstream Research Company Real-time monitoring of a metal surface
WO2015174969A2 (en) * 2014-05-13 2015-11-19 Halliburton Energy Services, Inc. Controlling a downhole tool on a downhole cable
EP3149276A4 (en) * 2014-05-27 2018-02-21 Baker Hughes Incorporated A method of calibration for downhole fiber optic distributed acoustic sensing
GB2540720B (en) * 2014-07-31 2019-03-13 Halliburton Energy Services Inc A system comprising a composite downhole slickline cable and method of use thereof
CA2954736C (en) * 2014-08-20 2020-01-14 Halliburton Energy Services, Inc. Flow sensing in subterranean wells
CA2950100C (en) * 2014-08-20 2019-02-12 Halliburton Energy Services, Inc. Opto-acoustic flowmeter for use in subterranean wells
US10120094B2 (en) * 2014-08-25 2018-11-06 Halliburton Energy Services, Inc. Seismic monitoring below source tool
CA2958705C (en) * 2014-10-10 2019-04-02 Halliburton Energy Services, Inc. Manufacturing method for enhanced acoustic sensing system
EP3215712B1 (en) * 2015-01-13 2020-05-13 Halliburton Energy Services, Inc. Acoustic downhole leak classification and quantification
US10843290B2 (en) 2015-01-19 2020-11-24 Weatherford Technology Holdings, Llc Acoustically enhanced optical cables
CA2972616C (en) 2015-01-19 2022-11-29 Domino Taverner Transducers and acoustic emitters for fiber-optic-based acoustic sensing
CA2978701A1 (en) * 2015-03-09 2016-09-15 Baker Hughes, A Ge Company, Llc Distributed strain monitoring for downhole tools
WO2016144337A1 (en) 2015-03-10 2016-09-15 Halliburton Energy Services Inc. A Method of Manufacturing a Distributed Acoustic Sensing Cable
WO2016144336A1 (en) * 2015-03-10 2016-09-15 Halliburton Energy Services Inc. A wellbore monitoring system using strain sensitive optical fiber cable package
WO2016144334A1 (en) * 2015-03-10 2016-09-15 Halliburton Energy Services Inc. A strain sensitive optical fiber cable package for downhole distributed acoustic sensing
US9448312B1 (en) 2015-03-11 2016-09-20 Baker Hughes Incorporated Downhole fiber optic sensors with downhole optical interrogator
GB2555272A (en) * 2015-07-30 2018-04-25 Halliburton Energy Services Inc Micro-structured fiber optic cable for downhole sensing
WO2017023239A1 (en) 2015-07-31 2017-02-09 Halliburton Energy Services, Inc. Acoustic device for reducing cable wave induced seismic noises
US10133017B2 (en) * 2015-08-07 2018-11-20 Pgs Geophysical As Vented optical tube
GB2554298B (en) 2015-08-14 2021-02-10 Halliburton Energy Services Inc Mud pulse detection using distributed acoustic sensing
EP3332083A4 (en) * 2015-10-29 2018-07-11 Halliburton Energy Services, Inc. Mud pump stroke detection using distributed acoustic sensing
US10202845B2 (en) * 2015-12-14 2019-02-12 Baker Hughes, A Ge Company, Llc Communication using distributed acoustic sensing systems
WO2017105424A1 (en) * 2015-12-16 2017-06-22 Halliburton Energy Services, Inc. Electro acoustic technology seismic detection system with down-hole source
US10711599B2 (en) * 2015-12-16 2020-07-14 Halliburton Energy Services, Inc. Electroacoustic pump-down sensor
WO2017116965A1 (en) * 2015-12-28 2017-07-06 Shell Oil Company Use of fiber carrier to provide optical fiber in a wellbore
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
AU2017246520B2 (en) 2016-04-07 2022-04-07 Bp Exploration Operating Company Limited Detecting downhole events using acoustic frequency domain features
WO2017212559A1 (ja) * 2016-06-08 2017-12-14 ニューブレクス株式会社 物質の圧力、温度、ひずみ分布測定用ケーブル
US10451497B2 (en) * 2017-08-11 2019-10-22 Ut-Battelle, Llc Stress sensor for cement or fluid applications
US10739169B2 (en) 2017-03-23 2020-08-11 Ofs Fitel, Llc Flat profile optical fiber cable for distributed sensing applications
EP3608503B1 (en) 2017-03-31 2022-05-04 BP Exploration Operating Company Limited Well and overburden monitoring using distributed acoustic sensors
GB2585723B (en) * 2017-05-12 2022-01-19 Baker Hughes A Ge Co Llc Multi-frequency acoustic interrogation for azimuthal orientation of downhole tools
MX2019014133A (es) 2017-05-31 2020-02-07 Corning Res & Dev Corp Cable optico de deteccion de tension con capas compatibles de impedancia acustica.
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
US10330526B1 (en) * 2017-12-06 2019-06-25 Saudi Arabian Oil Company Determining structural tomographic properties of a geologic formation
US10712258B2 (en) * 2017-12-06 2020-07-14 California Institute Of Technology Cuvette having high optical transmissivity and method of forming
US10338336B1 (en) 2018-01-08 2019-07-02 Weatherford Technology Holdings, Llc Fiber optic cable for inhibiting breaching fluid flow
US10247838B1 (en) 2018-01-08 2019-04-02 Saudi Arabian Oil Company Directional sensitive fiber optic cable wellbore system
US10365537B1 (en) * 2018-01-08 2019-07-30 Saudi Arabian Oil Company Directional sensitive fiber optic cable wellbore system
AT520557B1 (de) * 2018-01-24 2019-05-15 Anton Paar Gmbh Verfahren zur Ermittlung eines korrigierten Werts für die viskositätsabhängige Schallgeschwindigkeit in einem zu untersuchenden Fluid
GB2571540B (en) 2018-02-28 2020-10-28 Craley Group Ltd Improvements in or relating to the monitoring of fluid pipes
US11414982B2 (en) 2018-04-24 2022-08-16 Halliburton Energy Services, Inc. Depth and distance profiling with fiber optic cables and fluid hammer
US20210277771A1 (en) * 2018-05-04 2021-09-09 Halliburton Energy Services, Inc. Distributed acoustic sensing for coiled tubing characteristics
CA3099731A1 (en) * 2018-05-09 2019-11-14 Conocophillips Company Ubiquitous real-time fracture monitoring
US11598928B2 (en) 2018-07-20 2023-03-07 Weatherford Technology Holdings, Llc Cable to reduce optical fiber movement and methods to fabricate
CN108645501A (zh) * 2018-08-09 2018-10-12 平湖波汇通信科技有限公司 一种基于分布式光纤传感水管运行监测系统
US10927645B2 (en) 2018-08-20 2021-02-23 Baker Hughes, A Ge Company, Llc Heater cable with injectable fiber optics
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
CN109596206B (zh) * 2019-01-25 2021-01-15 武汉理工大学 基于液体填充光子晶体光纤的振动传感器
WO2020182312A1 (en) * 2019-03-14 2020-09-17 Bp Exploration Operating Company Limited Detecting events at a flow line using acoustic frequency domain features
JP7201084B2 (ja) * 2019-06-12 2023-01-10 日本電気株式会社 音波感受用光ファイバケーブル
CN112240196B (zh) * 2019-07-16 2023-08-18 中国石油大学(华东) 一种基于分布式光纤声音、温度监测的井筒生产剖面监测模拟实验装置及方法
CN110344816B (zh) * 2019-07-16 2023-05-09 中国石油大学(华东) 一种基于分布式光纤声音监测的油气井出砂监测方法
CN112240195B (zh) * 2019-07-16 2024-01-30 中国石油大学(华东) 基于分布式光纤声音监测的油气井出砂监测模拟实验装置及工作方法
US11231315B2 (en) * 2019-09-05 2022-01-25 Baker Hughes Oilfield Operations Llc Acoustic detection of position of a component of a fluid control device
WO2021052602A1 (en) 2019-09-20 2021-03-25 Lytt Limited Systems and methods for sand ingress prediction for subterranean wellbores
CN110703349B (zh) * 2019-10-12 2021-10-08 海隆石油工业集团有限公司 一种基于光纤传感的清管器卡堵定位装置和方法
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
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
US11525939B2 (en) 2020-07-10 2022-12-13 Saudi Arabian Oil Company Method and apparatus for continuously checking casing cement quality
CN112161778B (zh) * 2020-08-17 2022-08-02 南昌航空大学 基于回归概率分布的分布式光纤扰动定位方法
US20220186612A1 (en) * 2020-12-14 2022-06-16 Halliburton Energy Services, Inc. Apparatus And Methods For Distributed Brillouin Frequency Sensing Offshore
GB2603196A (en) * 2021-02-01 2022-08-03 Craley Group Ltd Leak Detection
US11619097B2 (en) 2021-05-24 2023-04-04 Saudi Arabian Oil Company System and method for laser downhole extended sensing
US11725504B2 (en) 2021-05-24 2023-08-15 Saudi Arabian Oil Company Contactless real-time 3D mapping of surface equipment
US11867034B2 (en) * 2021-06-17 2024-01-09 Halliburton Energy Services, Inc. Systems and methods for automated gas lift monitoring
US11874145B2 (en) * 2021-07-28 2024-01-16 Baker Hughes Oilfield Operations Llc Enhanced backscatter fiber with tapering enhancement
CN113830613B (zh) * 2021-09-10 2023-01-06 华中科技大学 一种声敏光缆自动化制备设备及方法
GB2611310A (en) * 2021-09-29 2023-04-05 Expro North Sea Ltd Method and apparatus for monitoring long length tubular structures
US12287234B2 (en) * 2021-10-15 2025-04-29 Nec Corporation Distributed acoustic sensing sensitivity enhancement using MIMO sampling and phase recombination
US11781424B2 (en) * 2021-12-15 2023-10-10 Saudi Arabian Oil Company Registering fiber position to well depth in a wellbore
US12140473B2 (en) 2022-01-31 2024-11-12 Halliburton Energy Services, Inc. Multi-layer fiber optic cable with a cured gelling material and methods of making and using same
CN114811455B (zh) * 2022-03-09 2023-07-14 南京大学 一种用于气体管道泄漏监测的传感光缆
DE102022108730A1 (de) 2022-04-11 2023-10-12 Stump-Franki Spezialtiefbau GmbH Verfahren und Vorrichtung zur Bestimmung von Eigenschaften einer akustischen Signalquelle in Fest- oder Lockergestein
US12091967B2 (en) * 2022-06-01 2024-09-17 Halliburton Energy Services, Inc. Using fiber optic sensing to establish location, amplitude and shape of a standing wave created within a wellbore
US20240255669A1 (en) * 2023-01-26 2024-08-01 Chevron U.S.A. Inc. System and method for testing well integrity
WO2025043104A1 (en) * 2023-08-22 2025-02-27 University Of Houston System Detecting elbow erosion by percussion method with machine learning
CN117927218B (zh) * 2024-01-23 2025-03-28 中国石油天然气集团有限公司 一种基于分布式光纤的产液剖面解释方法及装置
CN118068402B (zh) * 2024-04-19 2024-06-28 齐鲁工业大学(山东省科学院) 光纤分布式声波振动同测传感系统

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115753A (en) * 1977-07-18 1978-09-19 The United States Of America As Represented By The Secretary Of The Navy Fiber optic acoustic array
US5026141A (en) * 1981-08-24 1991-06-25 G2 Systems Corporation Structural monitoring system using fiber optics
US4621896A (en) * 1984-07-30 1986-11-11 The United States Of America As Represented By The Secretary Of The Navy Optical fibers with reduced pressure sensitivity to high frequency acoustic field
GB2186073B (en) * 1986-02-03 1989-10-25 Spectran Corp Fiber optic pressure sensor
US4979798A (en) * 1989-10-18 1990-12-25 The United States Of America As Represented By The Secretary Of The Navy Pressure sensitive optical fiber having optimized coatings
US5400427A (en) * 1993-10-18 1995-03-21 Mobil Oil Corporation Fiber optic cable and viscous filler material
US5633960A (en) * 1996-01-24 1997-05-27 The United States Of America As Represented By The Secretary Of The Navy Spatially averaging fiber optic accelerometer sensors
US5845033A (en) * 1996-11-07 1998-12-01 The Babcock & Wilcox Company Fiber optic sensing system for monitoring restrictions in hydrocarbon production systems
US6787758B2 (en) * 2001-02-06 2004-09-07 Baker Hughes Incorporated Wellbores utilizing fiber optic-based sensors and operating devices
US6002646A (en) * 1997-06-27 1999-12-14 The United States Of America As Represented By The Secretary Of The Navy Portable optical range tracking array
US6611633B1 (en) * 2000-03-24 2003-08-26 The United States Of America As Represented By The Secretary Of The Navy Coated fiber pressure sensors utilizing pressure release coating material
GB2383633A (en) * 2000-06-29 2003-07-02 Paulo S Tubel Method and system for monitoring smart structures utilizing distributed optical sensors
US6816659B2 (en) * 2001-06-29 2004-11-09 Pirelli Cavi E Sistemi S.P.A. Unit for compensating the chromatic dispersion in a reconfigurable manner
US7024081B2 (en) 2003-04-24 2006-04-04 Weatherford/Lamb, Inc. Fiber optic cable for use in harsh environments
US7196318B2 (en) * 2004-07-16 2007-03-27 Kin-Man Yip Fiber-optic sensing system
US7397976B2 (en) * 2005-01-25 2008-07-08 Vetco Gray Controls Limited Fiber optic sensor and sensing system for hydrocarbon flow
GB0524838D0 (en) * 2005-12-06 2006-01-11 Sensornet Ltd Sensing system using optical fiber suited to high temperatures
GB0605066D0 (en) * 2006-03-14 2006-04-26 Schlumberger Holdings Method and apparatus for monitoring structures
US7954560B2 (en) * 2006-09-15 2011-06-07 Baker Hughes Incorporated Fiber optic sensors in MWD Applications
GB0620339D0 (en) * 2006-10-12 2006-11-22 Insensys Ltd Pressure rod
US7412118B1 (en) * 2007-02-27 2008-08-12 Litton Systems, Inc. Micro fiber optical sensor
US7630066B2 (en) * 2007-03-30 2009-12-08 Adc Telecommunications, Inc. Optical fiber inspection tool
US20080267568A1 (en) * 2007-04-30 2008-10-30 David Lee Dean Method and apparatus for performing a compression splice
US7946341B2 (en) * 2007-11-02 2011-05-24 Schlumberger Technology Corporation Systems and methods for distributed interferometric acoustic monitoring
US7946350B2 (en) * 2008-04-23 2011-05-24 Schlumberger Technology Corporation System and method for deploying optical fiber
US7668411B2 (en) * 2008-06-06 2010-02-23 Schlumberger Technology Corporation Distributed vibration sensing system using multimode fiber
WO2010000009A1 (en) 2008-07-02 2010-01-07 Cardanal Pty Ltd Improved detection of cardiac dysfunction
US8408064B2 (en) * 2008-11-06 2013-04-02 Schlumberger Technology Corporation Distributed acoustic wave detection
US8052836B2 (en) * 2008-11-26 2011-11-08 Corning Cable Systems Llc Laser-based methods of stripping fiber optic cables
US8315486B2 (en) 2009-02-09 2012-11-20 Shell Oil Company Distributed acoustic sensing with fiber Bragg gratings
CA2740332C (en) 2010-05-12 2016-02-02 Weatherford/Lamb, Inc. Sonic/acoustic monitoring using optical distributed acoustic sensing
GB201100636D0 (en) * 2011-01-14 2011-03-02 Qinetiq Ltd Fibre optic distributed sensing
GB201100988D0 (en) * 2011-01-20 2011-03-09 Head Phillip Method and apparatus for installing and recovering fibre optic monitoring cable from a well
CA2839212C (en) * 2011-06-20 2019-09-10 Shell Internationale Research Maatschappij B.V. Fiber optic cable with increased directional sensitivity

Also Published As

Publication number Publication date
US9255836B2 (en) 2016-02-09
CA2743696A1 (en) 2011-12-17
CA2922144A1 (en) 2011-12-17
CA2922144C (en) 2020-12-15
US20160116331A1 (en) 2016-04-28
CA2743696C (en) 2014-11-04
US9841315B2 (en) 2017-12-12
CA2858016A1 (en) 2011-12-17
EP2418466A3 (en) 2014-03-05
EP3321648A1 (en) 2018-05-16
EP2418466A2 (en) 2012-02-15
US20120111104A1 (en) 2012-05-10
EP2418466B1 (en) 2018-01-24
CA2858016C (en) 2017-08-15
EP3321648B1 (en) 2021-04-21

Similar Documents

Publication Publication Date Title
BR112013008959A2 (https=)
BR112012030039A2 (https=)
NO2418466T3 (https=)
BR112012028408A2 (https=)
BR112012029986A2 (https=)
BR112012027808A2 (https=)
BR112012026492A2 (https=)
BR112012031500A2 (https=)
BR112012002126A2 (https=)
BR112012026946A2 (https=)
BR112013006400A2 (https=)
BR112012031826A2 (https=)
BR112012028186A2 (https=)
BR112012016456A2 (https=)
BR112012027015A2 (https=)
BR112012027945A2 (https=)
BR112013010949A2 (https=)
BR112013003284A2 (https=)
BR112012026403A2 (https=)
BR112013002646A2 (https=)
BR112013006825A2 (https=)
BR112012028859A2 (https=)
BR112013007728A2 (https=)
BR112012030078A2 (https=)
BR112013007731A2 (https=)