Компьютерная модель фильтрации флюида в неоднородной пористой среде

The article discusses the problem associated with the development of gas fields in order to increase gas recovery and determine the main parameters of the reservoir for further development. For a comprehensive study of the process under consideration, a computer model was developed that is described by a differential equation with the corresponding initial and boundary conditions with variable coefficients. An arbitrarily defined region is converted to a standard region using the dummy region method. The functional dependences of the parameters of porosity and permeability are constructed by the method of local approximation given at some defined points in the reservoir for each nodal point. An algorithm is developed for solving the problem using the methods of the longitudinal transverse scheme and the streaming version of the sweep. The results are shown as contours. In this paper, an attempt is made to prove that in the practice of fluid production it is advisable to introduce development technology based on heterogeneous formation parameters. Numerical experiments have shown that there are wide opportunities for finding highly effective design solutions for developing fields using this technology.

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