...油气聚集和圈闭 [gap=1235]： South China Sea； Zengmu basin； structural style； oil／gas geological condition； hydrocarbon accumulation and trap ...
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基本要素包括一套烃源岩、储集层、盖层和上覆岩层，作用是圈闭的形成和油气的生成—运移—聚集。
The essential elements are source rock, reservoir rock, seal rock and overburden rock, and the processes include trap formation and the generation-migration-accumulation of petroleum.
多期次的构造运动和适度的变形，为油气运移、聚集和圈闭的形成打下了良好的基础。
Owing to tectonic activity with multiple stages and appropriate deformation, it lays a good foundation for hydrocarbon migration, accumulation and trap forming.
它加速了生油岩的成熟过程，形成新的背斜和断层圈闭构造，而且还控制了新生代油气的运移和聚集。
It accelerated the hydrocarbon maturation process, formed many new anticline and fault traps, and controlled Cenozoic hydrocarbon migration and accumulation.
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