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中文摘要：
从成藏的基本地质要素出发,分析了鄂尔多斯盆地上三叠统烃源岩、沉积体系、储盖组合、储集性能、构造以及湖盆演化对油气成藏的影响及控制作用。受深湖分布控制的有效烃源岩生烃区及南北两大沉积体系是油气主要的富集及储存场所,并在完整连续的湖泊—三角洲—河流沉积体系中形成了良好的生储盖组合配置及相应的储集空间。明确了南北两大沉积体系分别控制着储集砂岩的类型、岩性、物性及其展布规律,探讨了延长组油藏的特征及油气富集规律。
英文摘要：
Based on the basic geological elements of the reservoir forming,this paper analyzes some controlling factors on the formation,such as the sourse rocks,sedimentary systems,association of reservoir rocks and rap rocks,reservoir property,structure and the evolution of the lake basin.The source rock controlled by the distribution of deep lake and the two great sedimentary systems are the main places for reservoir formation.What is more,good association of reservoir rocks and raps are also formed in the whole lake-delta-river sedimentary system.It is proved that the two great sedimentary systems in south and north control the types,lithology,physical property and disribution of the reservior.Finally,it discusses the features and the rule of the enrichment of the reservoir of the Triassic Yanchang Formation.
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