Abstract
The paper describes the scientific problems associated with the operation of underground gas storages (UGS), existing methods for modeling mechanical and filtration processes in UGS, the ways to improve these models: accounting the mutual influence of stresses and filtration, the effect of cyclical pressure change in a wide range at gas injection and extraction on strength of rocks. The results of an experimental determination of the dependence of the permeability of rocks on the stresses acting in them, of a theoretical study of the effect of filtration flow on the stress-strain state in the vicinity of the wells and the size of the plastic zone, an experimental study of the effect of cyclic loading on the strength of rocks are presented.
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References
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Acknowledgements
The work was done under financial support of the Russian Scientific Foundation, grant No. 16-11-10325.
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Karev, V.I. (2019). Geomechanical Approach to Improving the Efficiency of the Operation of Underground Gas Storages. In: Karev, V., Klimov, D., Pokazeev, K. (eds) Physical and Mathematical Modeling of Earth and Environment Processes (2018). Springer Proceedings in Earth and Environmental Sciences. Springer, Cham. https://doi.org/10.1007/978-3-030-11533-3_16
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DOI: https://doi.org/10.1007/978-3-030-11533-3_16
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