Geochemical Characteristics and Oil-Source Analysis of Crude Oils in the Yanchang Formation of Upper Triassic from Ordos Basin      

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Publication date
31 December 2008
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Abstract

分析了鄂尔多斯盆地延长组原油的生物标志化合物组成特征,并对其进行油源对比,探讨了其成因.研究表明,鄂尔多斯盆地上三叠统延长组原油属于同一成因类型;原油有机母质为菌藻类和高等植物的混源型.原油形成于弱还原和淡水或微咸水环境,为成熟原油.油源对比表明,鄂尔多斯盆地上三叠统延长组原油主要来自长7油层组烃源岩

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