Geological problems in the effective development of deep shale gas: a case study of Upper Ordovician Wufeng-Lower Silurian Longmaxi formations in Sichuan Basin and its periphery
He Zhiliang, Nie Haikuan, Hu Dongfeng, Jiang Tingxue, Wang Ruyue, Zhang Yuying, Zhang Guangrong, Lu Zhiyuan
Acta Petrolei Sinica . 2020, (4): 379 -391 .  DOI: 10.7623/syxb202004001