渤海湾盆地临南洼陷古近系沙河街组源-储组合类型与致密（低渗）砂岩油差异富集模式

韩载华, 刘华, 赵兰全, 刘景东, 尹丽娟, 李磊

Source rock-reservoir assemblage types and differential oil enrichment model in tight （low-permeability） sandstone reservoirs in the Paleocene Shahejie Formation in the Linnan Sub-sag， Bohai Bay Basin

Zaihua HAN, Hua LIU, Lanquan ZHAO, Jingdong LIU, Lijuan YIN, Lei LI

图7 临南洼陷致密（低渗）砂岩油运聚动力与油气显示比例关系 a.源-储剩余压力差与油气显示比例关系；b.源-储剩余压力梯度与油气显示比例关系

Fig.7 Relationship between the migration and accumulation dynamics of oil in tight （low-permeability） sandstone reservoirs and the hydrocarbon show proportions in the Linnan Sub-sag