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轻烃分析在国外已广泛应用于石油地球化学工作中。本文简要介绍轻质烃类 C_2—C_9的分析方法。本方法是在西德谢菲尔方法的基础上,自制氢抽提装置,采用一般气相色谱仪组装成的一套比较成熟的分析方法。本文阐述了轻烃分析数据的应用,可以直接测出岩石中吸附轻烃的贫富,从其含量和组成来解释和评价生油层,为石油地质勘探的研究工作提供较直观的参数。本文强调了本方法简便而快速的特点,指出轻烃分析是值得推广采用的方法。
Light hydrocarbon analysis has been widely used in petroleum geochemistry abroad. This article briefly describes the analysis of light hydrocarbons C_2-C_9. The method is based on the West Germany Sheffield method, self-made hydrogen extraction device, using a common gas chromatograph assembly into a more mature analytical methods. This paper describes the application of light hydrocarbon analysis data to directly measure the rich and poor of light hydrocarbons adsorbed in rocks, and to interpret and evaluate the oil reservoirs from their content and composition so as to provide more intuitive parameters for the research on petroleum geology exploration. This article emphasizes the simplicity and speediness of this method. It is pointed out that light hydrocarbon analysis is worthy of promotion.