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DIAGRAPHIE ELECTRIQUE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2000-02-24

English

Subject field(s)
  • Geological Research and Exploration
  • Geophysics
OBS

Electrical well logging was introduced by the Schlumberger brothers in the late 1920s as an extension of the resistivity method of electrical prospecting ... the resistivity scenes obtained with electrodes lowered into a borehole when plotted against depth, gave a 'log' of the stratigraphical changes, and in particular provided an accurate depth of each rock layer below the surface.

French

Domaine(s)
  • Recherches et prospections géologiques
  • Géophysique
OBS

[...] dans les trous de forage, on peut descendre une sonde géophysique qui transmettra à la surface certains renseignements caractéristiques sur les différents niveaux.

Spanish

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Record 2 2000-01-26

English

Subject field(s)
  • Geophysics
  • Geological Prospecting
DEF

The generic term for a well log that displays electrical measurements of induced current flow (resistivity log, induction log) or natural potentials (spontaneous-potential curve in the rocks of an uncased borehole.

CONT

An electric log typically consists of the spontaneous-potential (SP) curve and one or more resistivity or induction curves. The Archie equations form the basis for interpretation of electric logs.

OBS

elec log: ... abbreviation for electric log; used in drilling reports.

OBS

resistivity log: As a spontaneous-potential curve is commonly present in resistivity logs, the term resistivity log is often used as a synonym of electric log, but it is an informal synonym.

French

Domaine(s)
  • Géophysique
  • Prospection géologique
DEF

Enregistrement des résistivités ou des conductivités des formations et des potentiels spontanés qui prennent naissance dans les sondages.

Key term(s)
  • diagramme électrique

Spanish

Save record 2

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