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Russian Geology and Geophysics

2012 year, number 7

A TEMPERATURE-DEPENDING DIELECTRIC MODEL FOR WATER- AND OIL-CONTAINING ROCKS IN THE FREQUENCY RANGE FROM 0.5 TO 15 GHZ

M.I. Epova, I.V. Savinb, and V.L. Mironovb,c
aA.A. Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch of the Russian Academy of Sciences, pr. Akademika Koptyuga 3, Novosibirsk, 630090, Russia
bKirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50/38, Krasnoyarsk, 660036, Russia
cReshetnev Siberian State Aerospace University, pr. Krasnoyarskii Rabochii 31, Krasnoyarsk, 66014, Russia
Keywords: Dielectric permittivity, effective conductivity, water-containing rocks, temperature-depending dielectric model
Pages: 698-703

Abstract

Dielectric spectra of water-containing rocks forming a mineral framework of the oil-saturated bed (clay minerals amount to <16%) were measured in the frequency range from 500 to 15 GHz and in the temperature range from 20 to 80?C. A physical model for computing spectra of the dielectric permittivity and effective conductivity of the studied rocks has been elaborated. Its input parameters are water content (salt solution) and temperature. The errors of the computed spectra relative to the measured ones are estimated.