高邮凹陷真武油田成藏期与动态成藏过程分析

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真武油田位于苏北盆地东台拗陷高邮凹陷中南部,是苏北盆地目前已发现油田中最大的一个油田,油田开发时间长、含油面积大、油气富集程度高。该油田位于深凹带南部真2断裂下盘,邻近高邮生烃凹陷,油气主要分布在垛一段、戴二段和戴一段三个层段,阜一段也含油;储集层岩性多为细砂岩和不等粒砂岩。利用构造演化、原油特征与烃源岩演化、流体包裹体等方法分析了真武油田的成藏期次,结合各种地质要素分析了其动态成藏过程。构造演化史表明,从戴南组沉积开始到盐城组早期断层活动较为强烈,三垛末期地壳抬升,地层遭到剥蚀,先期形成的油气藏遭受破坏
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