DE68905933D1 - Vorrichtung zur messung der impedanz eines mediums entlang einer messstrecke. - Google Patents

Vorrichtung zur messung der impedanz eines mediums entlang einer messstrecke.

Info

Publication number
DE68905933D1
DE68905933D1 DE8989101548T DE68905933T DE68905933D1 DE 68905933 D1 DE68905933 D1 DE 68905933D1 DE 8989101548 T DE8989101548 T DE 8989101548T DE 68905933 T DE68905933 T DE 68905933T DE 68905933 D1 DE68905933 D1 DE 68905933D1
Authority
DE
Germany
Prior art keywords
impedance
measuring
measured distance
medium along
medium
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 - Fee Related
Application number
DE8989101548T
Other languages
English (en)
Other versions
DE68905933T2 (de
Inventor
Thomas Richard Fortescue
Charles Nicholas Murray
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.)
European Atomic Energy Community Euratom
Original Assignee
European Atomic Energy Community Euratom
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 European Atomic Energy Community Euratom filed Critical European Atomic Energy Community Euratom
Application granted granted Critical
Publication of DE68905933D1 publication Critical patent/DE68905933D1/de
Publication of DE68905933T2 publication Critical patent/DE68905933T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
DE8989101548T 1988-02-03 1989-01-30 Vorrichtung zur messung der impedanz eines mediums entlang einer messstrecke. Expired - Fee Related DE68905933T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU87124A LU87124A1 (de) 1988-02-03 1988-02-03 Vorrichtung zur messung der impedanz eines mediums entlang einer messstrecke

Publications (2)

Publication Number Publication Date
DE68905933D1 true DE68905933D1 (de) 1993-05-19
DE68905933T2 DE68905933T2 (de) 1993-07-22

Family

ID=19731017

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989101548T Expired - Fee Related DE68905933T2 (de) 1988-02-03 1989-01-30 Vorrichtung zur messung der impedanz eines mediums entlang einer messstrecke.

Country Status (8)

Country Link
US (1) US4887040A (de)
EP (1) EP0326992B1 (de)
CA (1) CA1300226C (de)
DE (1) DE68905933T2 (de)
DK (1) DK42289A (de)
ES (1) ES2039717T3 (de)
LU (1) LU87124A1 (de)
PT (1) PT89605B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5604582A (en) * 1994-05-12 1997-02-18 Science Application International Corporation Methods and apparatus for taking spectroscopic measurements of sediment layers beneath a body of water
DE19651355B4 (de) * 1996-12-10 2004-03-18 Fresenius Medical Care Deutschland Gmbh Gasblasendetektor
US20080035163A1 (en) * 2006-08-10 2008-02-14 Shaahin Cheyene Magnetic Advanced Cigarette Filtration System

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US465393A (en) * 1891-12-15 Nicki
US3906353A (en) * 1973-10-09 1975-09-16 Westinghouse Electric Corp Oscillator circuit for providing a conductivity ratio of sea water
US3987390A (en) 1974-04-29 1976-10-19 Sun Oil Company (Delaware) Method and apparatus for determining resistance at radio frequencies
CA1017001A (en) * 1974-10-18 1977-09-06 Sed Systems Ltd. Fluid conductivity detecting means
CA1069976A (en) * 1975-12-29 1980-01-15 Raytheon Company Electrolytic measurement system
US4644263A (en) * 1984-12-13 1987-02-17 Marathon Oil Company Method and apparatus for measuring water in crude oil

Also Published As

Publication number Publication date
PT89605B (pt) 1994-01-31
PT89605A (pt) 1989-10-04
DK42289D0 (da) 1989-01-31
DE68905933T2 (de) 1993-07-22
LU87124A1 (de) 1989-09-20
US4887040A (en) 1989-12-12
DK42289A (da) 1989-08-04
ES2039717T3 (es) 1993-10-01
EP0326992A1 (de) 1989-08-09
CA1300226C (en) 1992-05-05
EP0326992B1 (de) 1993-04-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee