Several issues worthy of attention in current lacustrine shale oil exploration and development

JIN Zhijun,ZHU Rukai,LIANG Xinping,SHEN Yunqi

Fig. 3. Variations of differences between horizontal permeability and vertical permeability of shale reservoirs from upper sub-member of Es4 to lower sub-member of Es3 of Paleogene Shahejie Formation in Jiyang Depression.