Accumulation Conditions for Tight Oil in Xiagou Formation，Lower#br# Cretaceous，Qingxi Oilfield
Sun Weifeng1，2，3*, Song Yan2，3，4, Gong Yanjie2，3, Gui Lili2，3
西南石油大学学报(自然科学版) . 2015, (6): 12 -20 .  DOI: 10.11885/j.issn.1674-5086.2014.01.16.04