FIELD: physics; measurements.
SUBSTANCE: invention pertains to geophysics, and particularly to geophysical well surveying for separating hydrocarbon layers. The apparent electrical resistivity is measured using lateral or electromagnetic logging probes before and after action of elastic resonance pulses on the layers in the 0.1-10 kHz frequency range. The action is effected using an electrohydraulic resonance apparatus. Measurements are done using lateral or electromagnetic logging probes. The collectors of hydrocarbon layers are separated based on the results of the measured apparent electrical resistivity of the layers.
EFFECT: increased accuracy of separating low-pore and low-permeability collectors with hard to recover hydrocarbon reserves.
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