Identification and geochemical significance of polarized macromolecular compounds in lacustrine and marine oils

查看全文 作　　者：CUI [1]Jingwei;ZHU [1]Rukai;HU [1]Jian

机构地区：[1]Research Institute of Petroleum Exploration & Development, Petro China

出　　处：《Chinese Journal Of Geochemistry》索引2014年第33卷第4期,共8页

摘　　要：Polarized macromolecular compounds in typical lacustrine and marine shale oils collected from the Ordos Basin and Tarim Basin of China were analyzed by FT-ICR-MS. Maturity was taken into consideration by diagenesis physical simulation experiments on shale oils, which had been collected at various temperature and pressure stages. The results showed that similar components existed in non-hydrocarbon and asphaltenes and the main peak compound classes of N1 and O2 were potential parameters for identifying typical marine oil and lacustrine oil in China. Nitrogen compounds/(nitrogen compounds and oxygen compounds), such as N1/(O2+N1), N1/(O3+N1), N1/(N1O1+N1O2) are the maturity indicators, which are related with C-N and C-O bond energy. Differences in molecular components and weights between marine and lacustrine oils are the effective index to identify source maturity and sedimentary environment. 关键词：高分子化合物地球化学意义大分子海洋湖泊识别极化鄂尔多斯盆地

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Identification and geochemical significance of polarized macromolecular compounds in lacustrine and marine oils

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