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为了快速、准确地评价生油岩,该文介绍了生油岩热解气相色谱评价技术并对其地质应用进行了重点阐述。利用热解气相色谱技术在确定生油层排油厚度;根据热蒸发烃、热解烃图形特征及参数判别生油岩成熟度和成油类型;利用热解产物谱峰特征和各烃段相对质量分数划分母岩类型等方面,各项评价指标均有较好的表征演化特征,在现场评价生油岩有着重要的意义。
In order to evaluate the source rock rapidly and accurately, this paper introduces the pyrolysis gas chromatographic evaluation technique of the source rock and focuses on its geological application. The pyrolysis gas chromatography was used to determine the oil discharge thickness. The maturity and the oil formation type of oil source rocks were determined according to the characteristics of thermal evaporation hydrocarbons and the parameters of pyrolysis hydrocarbon. By using the peak characteristics of pyrolysis products and the relative mass The classification of parent rock types and other aspects, the evaluation indicators have better characterization of evolution characteristics in the field of evaluation of source rock is of great significance.