INJECTING GAS INTO THE WATER-FILLED POROSITY RESERVOIRS WITH THE FORMATION OF HYDRATES IN THE DIFFUSION MODE


Cite item

Abstract

The paper considers the problem of injecting gas into the porous layer initially saturated with gas and water, accompanied by formation of hydrate. We have investigated case where the intensity of hydrate is limited by diffusion of water through the hydrate layer formed between water and gas in the core of the pore of the channel. As part of this scheme kinetics of hydrate is determined one empirical parameter D having the dimension of the diffusion coefficient (m2/s). We have analyzed effect of the value of this parameter on the features of the process of hydrate formation, depending on the parameters that define the initial state of porous reservoir and reservoir characteristics.

About the authors

G. R. Rafikova

Department of Higher and Applied Mathematics, Birsk branch of the Bashkir State University, 10, Internasionalnaia Street, Birsk, 452453, Russian Federation.

Author for correspondence.
Email: morenov.sv@ssau.ru

V. Sh. Shagapov

laboratory "Continuum mechanics", Institute of Mechanics and Engineering, Kazan Scientific Center, Russian Academy of Sciences, 2/31, Lobachevskiy Street, Kazan, Russian Federation.

Email: morenov.sv@ssau.ru
Russian Federation

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Copyright (c) 2017 Г. Р. Рафикова, В. Ш. Шагапов

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