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The paper deals with the issues of constructing the distribution of pore throats by size for productive strata of Western Siberia at a known value of the coefficient of absolute permeability. It is shown that for this purpose it is possible to use the BrooksCorey model, which allows approximating the entire set of capillary curves obtained in the laboratory conditions for a particular productive stratum. It is noted that it is possible to estimate parameters of the approximation model with the accuracy sufficient for practical purposes, at known value of absolute permeability of a layer. We obtained analytical expressions that allow us to move from the parameters of the approximation model to the parameters of the distribution of pore channels and sizes. The examples of distribution density for different values of absolute permeability are presented.

proceedings of the international symposium "engineering and earth sciences: applied and fundamental research" dedicated to the 85th anniversary of h.i. ibragimov (isees 2019)

Absolute Permeability and Distribution of Pore Throats of the Productive Strata of Western Siberia