CA2059533A1 - Appareil a micro-ondes et methode permettant de mesurer des melanges liquides - Google Patents

Appareil a micro-ondes et methode permettant de mesurer des melanges liquides

Info

Publication number
CA2059533A1
CA2059533A1 CA2059533A CA2059533A CA2059533A1 CA 2059533 A1 CA2059533 A1 CA 2059533A1 CA 2059533 A CA2059533 A CA 2059533A CA 2059533 A CA2059533 A CA 2059533A CA 2059533 A1 CA2059533 A1 CA 2059533A1
Authority
CA
Canada
Prior art keywords
water
concentration
transmission line
change
oscillator
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.)
Granted
Application number
CA2059533A
Other languages
English (en)
Other versions
CA2059533C (fr
Inventor
Bentley Scott
Sam Y. Yang
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.)
Atlantic Richfield Co
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2059533A1 publication Critical patent/CA2059533A1/fr
Application granted granted Critical
Publication of CA2059533C publication Critical patent/CA2059533C/fr
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
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/04—Investigating moisture content
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26—Oils; viscous liquids; paints; inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G01N33/2823—Oils, i.e. hydrocarbon liquids raw oil, drilling fluid or polyphasic mixtures

Abstract

Un appareil de mesure de la concentration d'un matériau, tel que de l'eau, dans un autre matériau, tel que du pétrole brut ou raffiné, comprend une ligne coaxiale (14) de transmission de micro-ondes formée d'un conduit qui reçoit le matériau et d'un conducteur central (22) protégé par une gaine diélectrique (27) qui sert à éviter des courts-circuits dans la voie de transmission. Un circuit oscillateur (30) couplé à la ligne de transmission est commandé par un circuit astable commandé en tension. Un récepteur de signaux contrôle les changements de fréquence dus à l'entraînement de l'impédance de l'oscillateur provoqué par des changements de la constante diélectrique du mélange. La puissance incidente et réfléchie ou transmise par rapport à la section de mesure est mesurée afin de déterminer si une émulsion d'huile dans l'eau ou d'eau dans l'huile est présente et de vérifier la concentration d'un fluide dans un autre à une fréquence particulière de fonctionnement.
CA002059533A 1989-07-07 1990-07-02 Appareil a micro-ondes et methode permettant de mesurer des melanges liquides Expired - Lifetime CA2059533C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US376,782 1989-07-07
US07/376,782 US4996490A (en) 1986-11-18 1989-07-07 Microwave apparatus and method for measuring fluid mixtures

Publications (2)

Publication Number Publication Date
CA2059533A1 true CA2059533A1 (fr) 1991-01-08
CA2059533C CA2059533C (fr) 1999-01-19

Family

ID=23486468

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002059533A Expired - Lifetime CA2059533C (fr) 1989-07-07 1990-07-02 Appareil a micro-ondes et methode permettant de mesurer des melanges liquides

Country Status (7)

Country Link
US (1) US4996490A (fr)
EP (1) EP0478699B1 (fr)
JP (1) JPH04506409A (fr)
CA (1) CA2059533C (fr)
DE (1) DE69022421T2 (fr)
ID (1) ID930B (fr)
WO (1) WO1991000996A1 (fr)

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Also Published As

Publication number Publication date
US4996490A (en) 1991-02-26
EP0478699A4 (en) 1993-02-24
DE69022421T2 (de) 1996-04-18
ID930B (id) 1996-09-17
DE69022421D1 (de) 1995-10-19
JPH04506409A (ja) 1992-11-05
CA2059533C (fr) 1999-01-19
WO1991000996A1 (fr) 1991-01-24
EP0478699B1 (fr) 1995-09-13
EP0478699A1 (fr) 1992-04-08

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Effective date: 20100702