CA2858016C - Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity - Google Patents

Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity Download PDF

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Publication number
CA2858016C
CA2858016C CA2858016A CA2858016A CA2858016C CA 2858016 C CA2858016 C CA 2858016C CA 2858016 A CA2858016 A CA 2858016A CA 2858016 A CA2858016 A CA 2858016A CA 2858016 C CA2858016 C CA 2858016C
Authority
CA
Canada
Prior art keywords
acoustic
optic cable
fiber
fiber optic
das
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.)
Expired - Fee Related
Application number
CA2858016A
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English (en)
French (fr)
Other versions
CA2858016A1 (en
Inventor
Domino Taverner
John J. Grunbeck
James R. Dunphy
Edward M. Dowd
Andrew S. Kuczma
Francis X Iii Bostick
Mark Baker
David Labella
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.)
Weatherford Technology Holdings LLC
Original Assignee
Weatherford Technology Holdings LLC
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 Weatherford Technology Holdings LLC filed Critical Weatherford Technology Holdings LLC
Priority to CA2922144A priority Critical patent/CA2922144C/en
Publication of CA2858016A1 publication Critical patent/CA2858016A1/en
Application granted granted Critical
Publication of CA2858016C publication Critical patent/CA2858016C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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)
CA2858016A 2010-06-17 2011-06-17 Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity Expired - Fee Related CA2858016C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2922144A CA2922144C (en) 2010-06-17 2011-06-17 Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US35592410P 2010-06-17 2010-06-17
US61/355,924 2010-06-17
CA2743696A CA2743696C (en) 2010-06-17 2011-06-17 Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2743696A Division CA2743696C (en) 2010-06-17 2011-06-17 Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2922144A Division CA2922144C (en) 2010-06-17 2011-06-17 Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity

Publications (2)

Publication Number Publication Date
CA2858016A1 CA2858016A1 (en) 2011-12-17
CA2858016C true CA2858016C (en) 2017-08-15

Family

ID=44561340

Family Applications (3)

Application Number Title Priority Date Filing Date
CA2858016A Expired - Fee Related CA2858016C (en) 2010-06-17 2011-06-17 Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity
CA2743696A Expired - Fee Related CA2743696C (en) 2010-06-17 2011-06-17 Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity
CA2922144A Expired - Fee Related CA2922144C (en) 2010-06-17 2011-06-17 Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA2743696A Expired - Fee Related CA2743696C (en) 2010-06-17 2011-06-17 Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity
CA2922144A Expired - Fee Related CA2922144C (en) 2010-06-17 2011-06-17 Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity

Country Status (4)

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

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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
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EP2418466B1 (en) 2018-01-24
EP3321648B1 (en) 2021-04-21

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