The beneficial microfacies are braided river, branch river and beach-bar and they develop well in S1 and S5, S32 , S41-2and S42-2 are the beneficial horizons for potential tapping.

• 本区有利砂体微相为河道（辫状河道、分支河道）和滩坝，主力层S1和S5的河道和滩坝较发育，平面分布范围较广；S32、S41-2和S42-2也具有较好的微相砂体分布，将是研究区下一步挖潜的有利目标层位。