DE60142747D1 - Vorrichtung zur akustischen erkennung von partikeln in einer strömung unter verwendung eines faseroptischen interferometers - Google Patents

Vorrichtung zur akustischen erkennung von partikeln in einer strömung unter verwendung eines faseroptischen interferometers

Info

Publication number
DE60142747D1
DE60142747D1 DE60142747T DE60142747T DE60142747D1 DE 60142747 D1 DE60142747 D1 DE 60142747D1 DE 60142747 T DE60142747 T DE 60142747T DE 60142747 T DE60142747 T DE 60142747T DE 60142747 D1 DE60142747 D1 DE 60142747D1
Authority
DE
Germany
Prior art keywords
particles
flow
fiber optic
acoustic detection
optic interferometer
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 - Lifetime
Application number
DE60142747T
Other languages
English (en)
Inventor
Jon Thomas Kringlebotn
Erlend Roennekleiv
Sverre Knudsen
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.)
Alcatel Submarine Networks Norway AS
Original Assignee
Optoplan AS
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 Optoplan AS filed Critical Optoplan AS
Application granted granted Critical
Publication of DE60142747D1 publication Critical patent/DE60142747D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • E21B47/107—Locating fluid leaks, intrusions or movements using acoustic means
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/04—Investigating sedimentation of particle suspensions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N2015/0042—Investigating dispersion of solids
    • G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
DE60142747T 2000-09-12 2001-08-30 Vorrichtung zur akustischen erkennung von partikeln in einer strömung unter verwendung eines faseroptischen interferometers Expired - Lifetime DE60142747D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20004554A NO315762B1 (no) 2000-09-12 2000-09-12 Sand-detektor
PCT/NO2001/000352 WO2002023169A1 (en) 2000-09-12 2001-08-30 Apparatus for acoustic detection of particles in a flow using a fibre optic interferometer

Publications (1)

Publication Number Publication Date
DE60142747D1 true DE60142747D1 (de) 2010-09-16

Family

ID=19911565

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60142747T Expired - Lifetime DE60142747D1 (de) 2000-09-12 2001-08-30 Vorrichtung zur akustischen erkennung von partikeln in einer strömung unter verwendung eines faseroptischen interferometers

Country Status (7)

Country Link
US (1) US7072044B2 (de)
EP (1) EP1332356B1 (de)
AU (1) AU2001282705A1 (de)
CA (1) CA2422037C (de)
DE (1) DE60142747D1 (de)
NO (1) NO315762B1 (de)
WO (1) WO2002023169A1 (de)

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Also Published As

Publication number Publication date
WO2002023169A1 (en) 2002-03-21
EP1332356A1 (de) 2003-08-06
NO20004554L (no) 2002-03-13
CA2422037A1 (en) 2002-03-21
US7072044B2 (en) 2006-07-04
NO315762B1 (no) 2003-10-20
NO20004554D0 (no) 2000-09-12
CA2422037C (en) 2007-05-29
US20040033017A1 (en) 2004-02-19
EP1332356B1 (de) 2010-08-04
AU2001282705A1 (en) 2002-03-26

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