A5016980731- Hydrocarbon exploration and reservoir analysis
- Coal Properties and Utilization
- CO2 Sequestration and Geologic Interactions
- Rock Mechanics and Modeling
- NMR spectroscopy and applications
- Groundwater flow and contamination studies
- Carbon Dioxide Capture Technologies
- Phase Equilibria and Thermodynamics
- Hydraulic Fracturing and Reservoir Analysis
- Atmospheric and Environmental Gas Dynamics
Chongqing University
2020-2023
Many fractures are present in the crust and dominate fluid flow mass transport. This study proposes a fractal model of permeability for fractured rock masses that includes properties both fracture networks surface tortuosity. Using this model, mathematical expression is derived based on traditional parallel-plate cubic law theory. functions as equivalent tortuous network terms maximum length lmax, dimension distribution Df, porosity ϕ, orientation θ, proportionality coefficient between...
The natural fracture system present in coal provides the principal channel for transporting coalbed methane. Dissolving or modifying mineral occlusions has potential to enhance permeability of highly mineralized seams. In this study, low-rank was examined using x-ray computed tomography (CT) scanning. A novel situ demineralization method based on CT images developed an improved pore-scale three-dimensional morphological modeling algorithm further investigate effect alteration dynamic...
Coalbed methane has garnered increased attention from researchers due to its potential for efficient development and utilization. In this study, the roughness data of coalbed pore surfaces were first obtained using atomic force microscopy tests. A novel method constructing three-dimensional rough was proposed by combining these with molecular simulation technology. Consequently, a more realistic surface model built, influence on CH4 adsorption diffusion explored. The results show that...
The diffusion mechanism of CH4 and CO2 on the coal matrix is fundamentally important for enhanced seam gas recovery long-term sequestration in reservoirs. To investigate influence different-phase mass transfer surface thermodynamics matrix, high volatile bituminous samples were prepared treated with subcritical (SbCO2; 5 MPa 318 K) supercritical (ScCO2; 10 15 MPa, K). bidisperse model used sorption kinetics analysis. results show that both effective macropore micropore diffusivities...