F011 Conductivity of Double-Porosity Carbonate Formations Saturated with Water – Oil Mixtures A. Mousatov* (Mexican Petroleum Institute) E. Kazatchenko (Mexican Petroleum Institute) M. Markov (Mexican Petroleum Institute) & E. Pervago (Mexican Petroleum Institute) SUMMARY The determination of water saturation from resistivity logs is an important problem in formation evaluation required for the correct assessment of oil-resources. In carbonate formations this problem is especially complicated because of the complex structure of pore space composed of the small-scale matrix porosity and large-scale secondary pores of different shapes. In this paper we introduce a new approach for calculating the conductivity of carbonate formations


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