The formation and distribution of the subtle reservoirs in Bohai Bay basin are usually controlled by originating and evolving of the riftlake basin.
渤海湾盆地隐蔽油气藏的形成与分布，总体上受控于裂谷断陷湖盆的生成演化。
2
Slope breaks are developed in both marine and riftlake basins, and their controlling impact on sequence and deposition has already been widely concerned and accepted.
Erlian basin, a cluster of riftlake basins in the Mesozoic and Cenozoic eras developed on the base of the Hercynian fold belt, consists of 50 sags in different scale.