Abstract
In this paper, the calculations of water saturation, thermal expansion hydrate thaw and thermodynamic parameters (pressure and temperature) were made using the proposed two-block mathematical model of the dissociation of gas hydrates in a porous medium. The numerical model allows discretizing the task in a one-dimensional case and implementing unconditionally stable difference scheme. The obtained results demonstrate the applicability of the proposed model for the solution of typical problems of gas hydrate fluid dynamics, including the studies of the complex dynamics of water and hydrate saturations of the formation in respect to adiabatic expansion of the gas in the collector space. This model will help in the research and modeling of the problems of the phase transformations of gas hydrate inclusions in the porous media.
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References
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The work was supported by the Russian Science Foundation (project No 17-71-20118).
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Poveshchenko, Y.A. et al. (2019). Modeling of Fluidodynamic Processes in a Porous Medium with Gashydrate Deposits. In: Dimov, I., Faragó, I., Vulkov, L. (eds) Finite Difference Methods. Theory and Applications. FDM 2018. Lecture Notes in Computer Science(), vol 11386. Springer, Cham. https://doi.org/10.1007/978-3-030-11539-5_47
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DOI: https://doi.org/10.1007/978-3-030-11539-5_47
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