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Injection of liquid carbon dioxide into a reservoir partially saturated with methane hydrate |
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| Authors: | V Sh Shagapov M K Khasanov N R Musakaev |
| Institution: | 1.Mavlyutov Institute of Mechanics, Ufa Scientific Center,Russian Academy of Sciences,Ufa,Russia;2.Sterlitamak Branch of Bashkir State University,Sterlitamak,Russia;3.Tyumen Branch of Khristianovich Institute of Theoretical and Applied Mechanics,Siberian Branch of Russian Academy of Sciences,Tyumen,Russia;4.Tyumen State University,Tyumen,Russia |
| Abstract: | A mathematical model is proposed to describe methane–carbon dioxide replacement in gas hydrate by injecting liquid carbon dioxide into a porous medium initially saturated with methane and its hydrate. Self-similar solutions of the axisymmetric problems are constructed that describe the distribution of the main parameters of the reservoir. It is shown that there exist solutions according to which the process can occur both with and without boiling of carbon dioxide. Diagrams of the existence of each type of solution are constructed. |
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