Cyclic depositions of shallow water deltaic system which were dominated by fluvial systems showed obvious lobe shape on contour maps and very good lateral connectivity between lobes.

• 浅水三角洲砂岩储层由于受河流作用的控制，砂体具有明显的方向性，存在明显的分叉现象，与曲流河相比，砂体连通性较好，砂体等厚图呈典型的朵叶状。