Geological conditions of the Mesoproterozoic shale gas accumulation in Yanshan area,North China
Liu Jing, Zhou Zhi, Liu Xiheng, Ren Shoumai, Wang Jian, Wang Hao, ZHOU Cong'an, Liu Yimin
Acta Petrolei Sinica . 2019, (3): 268 -278 .  DOI: 10.7623/syxb201903002