Tight reservoirs commonly exhibit low permeability and pronounced lithological heterogeneity, resulting in complex interactions among far-field stress, local structural weakness, and fluid-driven fracture propagation. In this study, four non-replicated 2 m × 2 m × 1 m physical-model specimens representing tight gluteni...
Strong heterogeneity in unconventional reservoirs leads to complex fracture propagation and challenges in quantitative stimulation evaluation. This study integrates true triaxial fracturing experiments, three-dimensional CT reconstruction, multi-field coupled numerical simulation, and multiple linear regression to inve...
Clarifying the transformation mechanism of hydraulic fracturing on coal-rock pore-fracture structures and the associated seepage response is fundamental to the efficient development of low-permeability coalbed methane reservoirs. However, existing studies are hindered by a disconnect between field observations and la...
The morphological evolution of mineral-filled fractures in low-clay shale during water exposure remains poorly understood, particularly regarding how infilling mineralogy, fracture geometry, and fluid accessibility control the response. In this study, fixed-field scanning electron microscopy coupled with energy-dispers...
This study combines micro-CT scanning with Avizo-based three-dimensional reconstruction technology to quantitatively characterize the evolution of pore-fracture structures in coal during LCO2 phase-transition treatment and systematically investigates the coupled response of damage evolution and seepage behavior under...
Thermo-mechanical degradation in brittle geomaterials is governed by progressive microstructural damage that fundamentally alters fracture resistance. This study presents an integrated experimental–numerical investigation of temperature-dependent damage evolution and multi-mode fracture toughness degradation in quartz-...
We use cookies to run the site and, with your consent, for analytics and to show ads. See our Cookie Policy.
