Many genetic types of sandbodies of the facies of lake,delta and turbidite fan developed in low third member of the Shahejie Formation in Xianhe area of Dongying Depression.

• 东营凹陷现河地区沙三段下亚段发育湖泊相、三角洲相和浊积扇相等成因类型的砂体,地层埋藏深度变化大,成岩作用复杂。