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INDUCTION LOG [1 record]

Record 1 2000-03-27

English

Subject field(s)
  • Geophysics
  • Geological Prospecting
DEF

A special type of electrical well log in which the conductivity of the formation is measured ... Eddy currents are induced in the formations by a transmitter coil through which an alternating current is circulated. The eddy currents set up magnetic fields that induce voltages in a receiver coil. These voltages are amplified and recorded on the surface.

OBS

The induction survey is usually taken in conjunction with a regular electric survey (ES), and thus the abbreviation commonly used for an induction survey is I-ES.

French

Domaine(s)
  • Géophysique
  • Prospection géologique
DEF

Diagraphie électrique [...] qui mesure la conductivité électromagnétique (induction) des roches dans une formation que l'on fore.

Spanish

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