Simulation of the Process of Injection of Liquid Sulfur Dioxide into a Porous Reservoir Initially Saturated with Methane and Ice

Ilias K. Gimaltdinov () and Maksim V. Stolpovskii
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Ilias K. Gimaltdinov: Department of Physics, Ufa State Petroleum Technological University, 1 Kosmonavtov Street, 452064 Ufa, Russia
Maksim V. Stolpovskii: Department of Physics, Ufa State Petroleum Technological University, 1 Kosmonavtov Street, 452064 Ufa, Russia

Mathematics, 2023, vol. 11, issue 13, 1-13

Abstract: The paper presents the results of modeling the problem of injecting liquid sulfur dioxide into a porous reservoir initially saturated with methane and ice. The model presented in the paper assumes the formation of three different regions, namely the near one, saturated with liquid SO 2 and its hydrate; the far one, containing methane and ice; and the intermediate one, saturated with methane and water. The effects of various parameters of the porous medium and injected SO 2 on the nature of the course of the hydrate formation process have been studied. It is shown that with a decrease in reservoir permeability or injection pressure, the length of the intermediate region decreases, which, in the limiting case, means the formation of SO 2 hydrate in the mode without the formation of an extended region saturated with methane and water. It is shown that such a regime is also typical for the case of high initial injection pressures, as well as low values of the initial reservoir temperature and injection temperature.

Keywords: mathematical modeling; non-isothermal flow; porous medium; gas hydrates (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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