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Characteristics of Molecular Geochemistry and Genesis of Crude Oils from Tahe Oilfield of Tarim Basin
Author(s): ZHENG Chao-yang, DUAN Yi, ZHANG Xue-jun, LI Hong
Pages: 605-
612
Year: 2011
Issue:
3
Journal: Acta Sedimentologica Sinica
Abstract: 塔河油田是我国迄今为止发现的早古生界最大的海相碳酸盐岩型油气田,其油气地球化学特征及成因备受关注,但目前仍然存在诸多争议.通过系统采样和高精度GC-MS分析,精细研究了塔河油田原油的生物标记化合物分布特征,进行了油源对比并探讨了其成因.研究表明:塔河油田原油其具有相似的成因类型,其母质类型为菌藻类;浮游绿藻和宏体褐藻对原油的生成有重要贡献;原油为成熟-高成熟原油形成于海相还原环境;中上奥陶统烃源岩...
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