CA2000223A1 - Appareil et methode de controle de composition par mesure d'impedance - Google Patents

Appareil et methode de controle de composition par mesure d'impedance

Info

Publication number
CA2000223A1
CA2000223A1 CA2000223A CA2000223A CA2000223A1 CA 2000223 A1 CA2000223 A1 CA 2000223A1 CA 2000223 A CA2000223 A CA 2000223A CA 2000223 A CA2000223 A CA 2000223A CA 2000223 A1 CA2000223 A1 CA 2000223A1
Authority
CA
Canada
Prior art keywords
dielectric
mixture
mixtures
composition
electrically isolated
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
CA2000223A
Other languages
English (en)
Other versions
CA2000223C (fr
Inventor
Scott G. Gaisford
John P. Watjen
Bjorn G. Bjornsen
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.)
Equinor ASA
Original Assignee
SRI International Inc
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 SRI International Inc filed Critical SRI International Inc
Publication of CA2000223A1 publication Critical patent/CA2000223A1/fr
Application granted granted Critical
Publication of CA2000223C publication Critical patent/CA2000223C/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
    • 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—Raw oil, drilling fluid or polyphasic mixtures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Liquid Crystal Substances (AREA)
  • Measuring Volume Flow (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Electrotherapy Devices (AREA)
  • Devices For Executing Special Programs (AREA)
CA002000223A 1988-10-05 1989-10-05 Appareil et methode de controle de composition par mesure d'impedance Expired - Lifetime CA2000223C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US254,415 1988-10-05
US07/254,415 US5103181A (en) 1988-10-05 1988-10-05 Composition monitor and monitoring process using impedance measurements

Publications (2)

Publication Number Publication Date
CA2000223A1 true CA2000223A1 (fr) 1990-04-05
CA2000223C CA2000223C (fr) 1999-06-29

Family

ID=22964235

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002000223A Expired - Lifetime CA2000223C (fr) 1988-10-05 1989-10-05 Appareil et methode de controle de composition par mesure d'impedance

Country Status (13)

Country Link
US (1) US5103181A (fr)
EP (1) EP0437532B1 (fr)
JP (1) JP3086689B2 (fr)
AT (1) ATE146881T1 (fr)
AU (1) AU638217B2 (fr)
BR (1) BR8907691A (fr)
CA (1) CA2000223C (fr)
DE (1) DE68927587T2 (fr)
DK (1) DK174374B1 (fr)
FI (1) FI102014B1 (fr)
NO (1) NO311465B1 (fr)
RU (1) RU2122722C1 (fr)
WO (1) WO1990004167A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116213231A (zh) * 2023-05-08 2023-06-06 四川泰猷科技有限公司 一种具有多电极的超声换能器驱动控制方法及超声换能器

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* Cited by examiner, † Cited by third party
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CN116213231A (zh) * 2023-05-08 2023-06-06 四川泰猷科技有限公司 一种具有多电极的超声换能器驱动控制方法及超声换能器
CN116213231B (zh) * 2023-05-08 2023-07-11 四川泰猷科技有限公司 一种具有多电极的超声换能器驱动控制方法及超声换能器

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EP0437532A1 (fr) 1991-07-24
DK174374B1 (da) 2003-01-13
DE68927587T2 (de) 1997-08-07
BR8907691A (pt) 1991-08-20
FI102014B (fi) 1998-09-30
ATE146881T1 (de) 1997-01-15
DK58891D0 (da) 1991-04-03
EP0437532B1 (fr) 1996-12-27
JPH04500857A (ja) 1992-02-13
RU2122722C1 (ru) 1998-11-27
AU4423489A (en) 1990-05-01
CA2000223C (fr) 1999-06-29
FI102014B1 (fi) 1998-09-30
JP3086689B2 (ja) 2000-09-11
DK58891A (da) 1991-06-04
US5103181A (en) 1992-04-07
WO1990004167A1 (fr) 1990-04-19
FI911625A0 (fi) 1991-04-04
AU638217B2 (en) 1993-06-24
NO311465B1 (no) 2001-11-26
NO911309D0 (no) 1991-04-04
NO911309L (no) 1991-06-05
EP0437532A4 (en) 1992-08-05

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