Because of the latter thermal event and tectonic action,Bozhong area became the subsidence center and depo-center of the Bohai Bay Basin.

• 同时，两种断裂系统、垒堑相间的构造格局、晚期油气运移的多样性造就了渤中坳陷上第三系丰富多彩的油气藏类型和大规模的油气聚集。