The deep Es 3 2+3 submembers consist of a set of coarse detritus fan deltaic deposits which come from NE direction and are characterized by near provenance,short transportation and rapid accumulation.

• 高尚堡油田沙三段二、三亚段为一套粗碎屑扇三角洲沉积，沉积物主要来自NE方向，具有近物源、短距离、快速搬运、快速堆积的特点。