Pore combination modeling (PCM) is a technique to model the influence of pore geometry on resistivity and permeability. PCM is consistent with Archie’s equation, including the saturation dependence (Myers, 1989, 1991). It is an extension allowing the effect of multiple pore systems to be modeled including their saturation dependence. Myers (1991) developed quantitative relationships between thin section point counts and Archie’s parameters for different pore systems (vuggy, intergranular, and microporosity) associated with a global carbonate dataset.
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