Factors controlling the reservoir accumulation of Triassic Chang 6 Member in Jiyuan-Wuqi area, Ordos Basin, NW China |
CHEN Shijia,LEI Junjie,LIU Chun,YAO Jingli,LI Yong,LI Shixiang,SU Kaiming,XIAO Zhenglu |
Fig. 4. Sterane distribution of Chang 7 source rock and Chang 6 sandstone from the eastern and western parts of Jiyuan-Wuqi area. |