The sand body at Shihezi formation of Tabamiao area in Erdos basin is mainly plain and fluvial deposits with characteristics of low porosity, low permeability and high impedance.

• 鄂尔多斯盆地塔巴庙工区下石盒子组砂岩体主要属平原分流河道沉积 ,具有低孔、低渗和高阻抗特征。