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第三系泥底辟是莺歌海盆地非常独特的地质体，其发育演化与烃类及流体的生、排、运、聚以及塑性泥的流动，均存在直接的成因联系。泥底辟是一个独立、完整的油气生、运、聚体系，或即油气运聚的封闭箱或封存箱，其烃类及流体运聚和塑性泥质物的流动均与该封闭体系（封闭箱）顶封闭层的形成与破坏密切相关，亦即顶封层的破裂刺穿与保存完整与否，直接控制了烃类及流体的运聚机制及模式和塑性泥的流动方式与形态特征。籍此，总结出两种不同的油气运聚机制及模式。
The Tertiary mud diapirism is a very unique geologic body in Yinggehai Basin. Its development and evolution have direct genetic connection with the flow of hydrocarbon, fluid, polymer, and plastic mud. Mud diapirism is an independent and complete closed-cell or sealed tank of hydrocarbon generation, transport, aggregation, or hydrocarbon migration and accumulation. The flow of hydrocarbons, fluid migration and accumulation and plastic mud mass are related to the closed system The formation and destruction of the top sealing layer are closely related to the destruction and destruction of the top sealing layer, ie, the integrity of the top sealing layer through the rupture and preservation of the top sealing layer, and directly control the mechanism and mode of hydrocarbon and fluid migration and transportation and the flow characteristics and morphology of the plastic mud. With this, we conclude two different mechanisms and modes of hydrocarbon migration and accumulation.