sponsored by the This research was sponsored by the Research Fund of Shandong Coalfield Geological Bureau(No.2022-003);Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process of the Ministry of Education(China University of Mining and Technology)(No.2023-007);Shandong Coalfield Geological Bureau Research Special Project of 2024s(No.MTDZKY-2024-35).
Pore volume/surface area and size distribution heterogeneity are two important parameters of pore structures,which restrict the gas-water-oil migration process in sandstone reservoirs.The fractal theory has been prove...