induction log

induction log

[in′dək·shən ‚läg]
(engineering)
An electric log of the conductivity of rock with depth obtained by lowering into an uncased borehole a generating coil that induces eddy currents on the rocks and these are detected by a receiver coil.
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References in periodicals archive ?
Breitling ran a density-neutron log, microlog and an induction log and decided to run pipe based in analysis by Breitling's engineers and geologists as well as Weatherford Laboratories analysis of the Magnolia #1 logs.
Two wells have been drilled on Tamm's leases; the two well logs showed excellent porosity and high resistivity and the induction log indicates hydrocarbons.
Breitling ran a density-neutron log, microlog and an induction log and decided to run pipe based on analysis by Breitling's engineers and geologists as well as Weatherford Laboratories' analysis of the sidewall cores shot in the zones of interest.
The shallow resistivity curves from the Array Induction Log indicate the presence of some water in the annular zone immediately surrounding the wellbore.
Hole conditions deteriorated during logging attempts and only an induction log was run and it could not get through the sand but did log an apparent 21' of net pay and stopped logging in apparent pay.