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MATHEMATICAL MODELING OF UNSTABLE FILTRATION FOR GAS DEPOSITS

Abstract

The paper presents mathematical models of steady and unsteady isothermal gas filtration. For the case of pressure distribution in the bottomhole formation zone around a single well, a numerical model of gas filtration is constructed that approximates the boundary value problem by an implicit four-point scheme by the sweep method, assuming that the density and viscosity of the gas are constant, the permeability and elastic capacity of the rock. The presented model allows to calculate and predict the change in the pressure distribution in the area around the well.

About the Authors

Sergey Evgen’evitch Abramkin
St. Petersburg State Electrotechnical University
Russian Federation


Sergei Evgen’evich Dushin
St. Petersburg State Electrotechnical University
Russian Federation


Ivan Mitrofanovich Pershin
North-Caucasus Federal University
Russian Federation


Daniil Dmitrievich Sirota
St. Petersburg State Electrotechnical University
Russian Federation


References

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Review

For citations:


Abramkin S.E., Dushin S.E., Pershin I.M., Sirota D.D. MATHEMATICAL MODELING OF UNSTABLE FILTRATION FOR GAS DEPOSITS. Modern Science and Innovations. 2018;(3):57-64. (In Russ.)

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ISSN 2307-910X (Print)