NO20004554L - Sand-detektor - Google Patents

Sand-detektor

Info

Publication number
NO20004554L
NO20004554L NO20004554A NO20004554A NO20004554L NO 20004554 L NO20004554 L NO 20004554L NO 20004554 A NO20004554 A NO 20004554A NO 20004554 A NO20004554 A NO 20004554A NO 20004554 L NO20004554 L NO 20004554L
Authority
NO
Norway
Prior art keywords
sand detector
sand
detector
Prior art date
Application number
NO20004554A
Other languages
English (en)
Other versions
NO315762B1 (no
NO20004554D0 (no
Inventor
Jon Thomas Kringlebotn
Erlend Roennekleiv
Sverre Knudsen
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
Priority to NO20004554A priority Critical patent/NO315762B1/no
Publication of NO20004554D0 publication Critical patent/NO20004554D0/no
Priority to US10/363,760 priority patent/US7072044B2/en
Priority to PCT/NO2001/000352 priority patent/WO2002023169A1/en
Priority to AU2001282705A priority patent/AU2001282705A1/en
Priority to CA002422037A priority patent/CA2422037C/en
Priority to EP01961443A priority patent/EP1332356B1/en
Priority to DE60142747T priority patent/DE60142747D1/de
Publication of NO20004554L publication Critical patent/NO20004554L/no
Publication of NO315762B1 publication Critical patent/NO315762B1/no

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
NO20004554A 2000-09-12 2000-09-12 Sand-detektor NO315762B1 (no)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NO20004554A NO315762B1 (no) 2000-09-12 2000-09-12 Sand-detektor
US10/363,760 US7072044B2 (en) 2000-09-12 2001-08-30 Apparatus for acoustic detection of particles in a flow using a fiber optic interferometer
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
AU2001282705A AU2001282705A1 (en) 2000-09-12 2001-08-30 Apparatus for acoustic detection of particles in a flow using a fibre optic interferometer
CA002422037A CA2422037C (en) 2000-09-12 2001-08-30 Apparatus for acoustic detection of particles in a flow using a fibre optic interferometer
EP01961443A EP1332356B1 (en) 2000-09-12 2001-08-30 Apparatus for acoustic detection of particles in a flow using a fibre optic interferometer
DE60142747T DE60142747D1 (de) 2000-09-12 2001-08-30 Vorrichtung zur akustischen erkennung von partikeln in einer strömung unter verwendung eines faseroptischen interferometers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20004554A NO315762B1 (no) 2000-09-12 2000-09-12 Sand-detektor

Publications (3)

Publication Number Publication Date
NO20004554D0 NO20004554D0 (no) 2000-09-12
NO20004554L true NO20004554L (no) 2002-03-13
NO315762B1 NO315762B1 (no) 2003-10-20

Family

ID=19911565

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20004554A NO315762B1 (no) 2000-09-12 2000-09-12 Sand-detektor

Country Status (7)

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

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Also Published As

Publication number Publication date
US7072044B2 (en) 2006-07-04
CA2422037A1 (en) 2002-03-21
NO315762B1 (no) 2003-10-20
CA2422037C (en) 2007-05-29
AU2001282705A1 (en) 2002-03-26
WO2002023169A1 (en) 2002-03-21
US20040033017A1 (en) 2004-02-19
NO20004554D0 (no) 2000-09-12
EP1332356B1 (en) 2010-08-04
DE60142747D1 (de) 2010-09-16
EP1332356A1 (en) 2003-08-06

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Legal Events

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MK1K Patent expired