Sulige gasfield is formed in a sandy braided river system environment, and its reservoir features in low permeability and significant heterogeneity.

• 苏里格气田属辫状河沉积,具有特低渗、强非均质性特征,有效砂体呈孤立状分布在致密砂岩中,规模小且连续性、连通性差。