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 (fr)

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 (fr) 2018-06-23

Family

ID=44561340

Family Applications (1)

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

Country Status (4)

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

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Also Published As

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

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