[1]State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation;
Southwest Petroleum University;
Chengdu 610500;
China;
[1]State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation;
Southwest Petroleum University;
Chengdu 610500;
China;
[2]Sinopec Star Beijing New Energy Development Co.;
Ltd. Sichuan Branch;
Chengdu 610500;
China;
[1]State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation;
Southwest Petroleum University;
Chengdu 610500;
China;
[3]No.1 Drilling Company of Sinopec Zhongyuan Petroleum Engineering Co.;
Ltd.;
Puyang 457000;
China;
tight sandstone; pore-scale anisotropy; pore distribution; specific surface area; tortuosity; permeability; influence mechanism;