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济阳坳陷不整合结构类型及控藏作用

, PP. 161-167

Keywords: 不整合,结构类型,构建样式,微观组构,控藏作用,济阳坳陷

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Abstract:

基于地质、地球物理特征分析,研究了济阳坳陷第三系内部发育的多个地层不整合的样式。着重探讨了不整合面上、下地层的接触关系及微观组构,提出了一种新的有关不整合宏观样式的划分方案;认为济阳坳陷第三系内部的不整合可划分为4类宏观构建样式、16种地层不整合结构类型。以此为基础,进而分析了不整合结构对圈闭、输导、封盖的控制作用,并建立了第三系不整合油气藏分布模式,探讨了地层不整合油气藏的勘探部署经验。

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