Numerical simulation of geomechanical responses during horizontal-well cyclic thermal stimulation of natural gas hydrates (opens in new tab)

Thermal huff-and-puff production using horizontal wells offers a promising strategy to overcome the limitations of depressurization in low-permeability marine gas hydrate reservoirs, where slow pressure propagation and insufficient heat supply constrain gas recovery. However, its productivity and geomechanical response are governed by strongly coupled thermal–hydraulic–mechanical–chemical processes, the underlying mechanisms of which remain poorly constrained. Here, based on reservoir paramet...