Abstract
In a one-dimensional approximation, the decomposition of gas hydrate in a porous reservoir saturated in the initial state with methane and its hydrate was numerically researched. The upper and lower boundaries of the hydrate-containing reservoir are impervious to the decomposition products of methane hydrate. At the porous reservoir upper boundary, a small increase in temperature occurs, and this temperature is maintained constant. Mathematical model of the studied process is proposed. This model takes into account the possible decomposition of gas hydrate. The influence of the parameters of the ‘‘porous reservoir—saturating fluid’’ system and the porous reservoir upper boundary temperature on the growth rate of the decomposition zone of methane hydrate and pressure at the hydrate-containing reservoir upper boundary are analyzed.
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Funding
The research was carried out within the framework of the Program of Fundamental Scientific Research of the state academies of sciences in 2013-2020 (project no. AAAA-A17-117030610130-1).
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Musakaev, N.G., Borodin, S.L. Numerical Research of the Gas Hydrate Decomposition in a Porous Reservoir with Impermeable Boundaries. Lobachevskii J Math 41, 1267–1271 (2020). https://doi.org/10.1134/S1995080220070318
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DOI: https://doi.org/10.1134/S1995080220070318