因主要排油期发生较晚,致使油气近距离运移为主,禹城洼陷和梁水镇洼陷两个主要油源区控制着凹陷中最有远景区的分布。
Yucheng sag and Liangshuizhen sag are the two main oil source areas and control the distribution of the most prospective areas in the depression .