Author:
Akhmetov R T,Mukhametshin V V,Kuleshova L S,Grezina O A,Malyshev P M
Abstract
Abstract
It was shown that the Leverett J-function and the Brooks-Corey correlating function approximate the capillary curves with insufficient accuracy and therefore do not allow us to obtain an analytical expression for the density distribution of pore channels by size. The polynomial approximation proposed makes it possible to sharply increase the reliability and accuracy of the capillary curves approximation. We obtained analytical expressions that allow to get a density distribution function of pore channels by size for known values of filtration-capacitive parameters (porosity, permeability, residual water saturation). It should be noted that the correlation between the distribution of the size of the pore channels and the porometric characteristics of the reservoir can be obtained according to the geophysical methods of well research.
Subject
General Physics and Astronomy
Reference13 articles.
1. Simulation of the absolute permeability based on the capillary pressure curves using the dumbbell model;Akhmetov;Journal of Physics: Conference Series (ITBI 2019 – International Conference "Information Technologies in Business and Industry"),2019
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