School of Geoscience and Technology;
Southwest Petroleum University;
Chengdu 610500;
China;
Reservoir Evaluation Laboratory of Unconventional Key Laboratory of CNPC;
Chengdu 610500;
China;
Sichuan Collaborative Innovation Center for Shale Gas Resources and Environment;
Chengdu 610500;
China;
PetroChina Research Institute of Petroleum Exploration and Development;
Beijing 100083;
China;
Department of Earth and Environmental Sciences;
University of Texas at Arlington;
Arlington;
TX 76019;
USA;
Chongqing Shale Gas Exploration and Development Company Limited;
Chongqing 401120;
China;
Development Division of PetroChina Southwest Oil and Gas Field Company;
Chengdu 610051;
China;
shale reservoir; microscopic pore-fracture configuration; quality parameter; gas bearing characteristics; shale gas; Upper Ordovician Wufeng Formation; Lower Silurian Longmaxi Formation; Sichuan Basin;