Replacement of Methane as Part of the Gas Hydrate by Carbon Dioxide in the Stratum with Negative Temperature

The authors have constructed a mathematical model of replacement of methane as part of the hydrate in a stratum saturated with methane and its hydrate under the conditions of negative temperatures upon the injection of carbon dioxide. An analysis has been made of the influence of the permeability, p...

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Bibliographic Details
Published in:Journal of engineering physics and thermophysics 2023-03, Vol.96 (2), p.312-321
Main Authors: Rafikova, G. R., Khasanov, M. K.
Format: Article
Language:English
Subjects:
Analysis
Carbon dioxide
Classical Mechanics
Complex Systems
Diffusion layers
Engineering
Engineering Thermodynamics
Gas hydrates
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
Methane
Methane hydrate
Methane hydrates
Permeability
Phase transitions
Thermodynamics
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Summary:The authors have constructed a mathematical model of replacement of methane as part of the hydrate in a stratum saturated with methane and its hydrate under the conditions of negative temperatures upon the injection of carbon dioxide. An analysis has been made of the influence of the permeability, porosity, and length of the stratum, the initial saturation of the methane hydrate, and the coefficient of diffusion through the layer of CO 2 hydrate on the mass of the extracted mixture of methane and carbon dioxide. Basic possible variants of extraction of methane from the stratum depending on the relation of the characteristic times of filling of the stratum with carbon dioxide and on the kinetics of phase transitions have been shown.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-023-02690-4