AN APPROACH TO THE NEW GEOCHEMICAL PARAMETERS OF LIGHT CRUDE AND THE SOURCE ROCKS OF THE TARIM BASIN
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摘要: 本文介绍了一种轻质原油的新的仪器分析方法,即质谱族组成分析方法。一次进样分析可快速获得链烷、环烷及芳烃共计11类化合物的族组成数据。作者用本方法分析了新疆塔里木盆地等几个不同地区的26个油样。为充分利用分析结果,用数理统计方法对全部质谱分析结果进行了计算分析,由此提取出可用于研究石油成熟度、生油母质类型和油气运移程度的3个地球化学新参数。最后,作者运用这3个新参数对塔里木盆地可能的油源岩作了研究性的探讨。Abstract: In this paper, a new instrument analytical method for light crude is introduced, that is, the MS analytical method of hydrocarbon types. Hydrocarbon types data for eleven kinds of compounds including alkanes, cyclanes and aromatic hydrocarbons can be obtained rapidly by one sampling analysis. Using this method, the authors analysed 26 oil samples from several different regions in the Tarim Basin, Xingjiang.In order to take full use of the analytical results, a mathematical statistical method is employed to make calculation and analysis of all the results of MS analyses. As a consequence, three new geochemical parameters are suggested for the study of petroleum maturity, the types of oil-bearing mother material and the distance of oil and gas migration, At last, the three new parameters are applied by the authors to discussion on potential source rocks in the Tarim Basin.
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[1] 钱志浩等.岩石氛利昂抽提物(C6-C23)的测定及其惫义.有机地球化学论文集,北京:地质出版社,1987 [2] 钱志浩等.油、气、源岩中轻烃分析方法.石油地质实验测试技术新进展,北京:地质出版社,1994
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