Enrichment of tight oil and its controlling factors in central and western China

SONG Yan,LUO Qun,JIANG Zhenxue,YANG Wei,LIU Dongdong

Fig. 8. The model of large-scale tight oil enrichment in salty lake diamictite depression. K1g1—First sub-member of Xiagou Formation; K1g2—Second sub-member of Xiagou Formation; K1z1—First sub-member of Zhonggou Formation of Lower Cretaceous; K1z2—Second sub-member of Zhonggou Formation of Lower Cretaceous; K1c—Chijinpu Formation of Lower Cretaceous.