Analysis of Factors Influencing the Stability of Submarine Hydrate-Bearing Slopes during Depressurization Production
Ting Sun,
Zhiliang Wen,
Jin Yang
et al.
Abstract:Natural gas hydrate reservoirs, with shallow burial, poor cementation, and low strength, are prone to submarine landslides triggered by hydrate decomposition during extraction. Prior studies have inadequately considered factors such as the dynamic decomposition of hydrates during depressurization, and its impacts on the reservoir’s geomechanical properties. In this paper, a coupled thermal–hydraulic–mechanical–chemical mathematical model of hydrate decomposition is proposed, and the dynamic geomechanical respo… Show more
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