Enrichment and exploration of deep lacustrine shale oil in the first member of Cretaceous Qingshankou Formation, southern Songliao Basin, NE China
ZHANG Junfeng,XU Xingyou,BAI Jing,LIU Weibin,CHEN Shan,LIU Chang,LI Yaohua
Fig. 13. Pore size distribution curves of different lithofacies of shale samples from the Qing 1 Member before and after step extraction.