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本文主要阐述了中国大陆科学钻探工程现场实验室采样和分析流程。介绍了现场气体分析方法和异常气体采集装置的使用及其对气体分析结果的影响情况,并比较了气体分析的准确度和精密度。对比了4种现场泥浆样品处理方法,特别是后两种方法,分别从准确度和精密度、上层清液放置时间和泥浆处理时间等不同因素对泥浆分析结果的影响进行了分析比较。
This paper mainly expounds the sample and analysis process of the field laboratory of the Chinese mainland scientific drilling project. The methods of on-the-spot gas analysis and abnormal gas collection and their influence on gas analysis are introduced. The accuracy and precision of gas analysis are compared. The effects of different factors, such as accuracy and precision, supernatant settling time and mud treatment time, on the results of mud analysis were compared and analyzed for four kinds of on-site mud sample processing methods, especially the latter two methods.