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

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/12Means 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
    • E21B47/13Means 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
    • E21B47/135Means 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02295Microstructured optical fibre
    • G02B6/02314Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02395Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • G02B6/4432Protective covering with fibre reinforcements
    • G02B6/4433Double reinforcement laying in straight line with optical transmission element
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00Details of seismic processing or analysis
    • G01V2210/10Aspects of acoustic signal generation or detection
    • G01V2210/14Signal detection
    • G01V2210/142Receiver location
    • G01V2210/1429Subsurface, 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)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
NO11250594A 2010-06-17 2011-06-17 NO2418466T3 (de)

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 (de) 2018-06-23

Family

ID=44561340

Family Applications (1)

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

Country Status (4)

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

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Also Published As

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

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