莺歌海盆地原油中微量元素分布特征及其地质意义

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Characteristics and Significance of Trace Elements in Crude Oil of Yinggehai Basin

摘要: 采用同步辐射X射线荧光分析技术,测定了莺歌海盆地海相原油和北部湾盆地陆相原油中的微量元素含量,结果是海相原油富集Cr、Mn、Fe元素,陆相原油Cr、Mn、Fe元素含量甚微,但却富集Cu元素。如此特征为判识原油的成因类型和源岩追踪提供了有意义的信息。

Abstract: Have detected trace elements in marine crude oils of Yinggehai Basin and in Non-marine crude oils of Beibuwan Basin with Synchrotron Radiation X-Ray fluorescence analysis. Cr, Mn and Fe elements are rich in marine crude oils and Cr, Mn and Fe elements are poor and Cu element is rich in Non-marine crude oils. The characteristics can be used to discern the genetic of crude oil and to made tracks for the oil source.