In this project, we used a D3Q19 LBGK lattice Boltzmann model (LBM) to simulate water adsorption and condensation in a 3D reconstructed clay pore structure based on BIB-SEM images analysis. The subsequent methane flow as a function of water saturation was simulated using a MRT local effective viscosity (LEV) LBM. Different surface wettability conditions are considered including a water-wet case, a water-repellent case and a mixed-wet case. The dataset includes: 1) the original reconstructed clay geometry file (binary where 0-pore space and 1-solid clay), 2) the clay/liquid water/pore space geometry files after water adsorption simulation at five water saturation values (0-pore space, 1-solid clay, 3-condensed water), 3) the velocity fields of methane flow at Sw=0 with or without consideration of slip flow at the solid boundary 4) the velocity fields of methane flow at three water saturation values.
Rui Xu (University of Texas at Austin)
March 24, 2020
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