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首页> 外文期刊>Chemical geology >Potential of emission Fourier transform infrared spectroscopy for in situ evaluation of kerogen in source rocks during pyrolysis
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Potential of emission Fourier transform infrared spectroscopy for in situ evaluation of kerogen in source rocks during pyrolysis

机译：发射傅里叶变换红外光谱用于热解过程中烃源岩中干酪根的原位评估

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Eleven petroleum source rock samples have been examined by Emission Fourier transform infrared spectroscopy (FTIRES) and by Rock-Eval thermal analyses. FTIRES has been used to estimate the amount of C-H aliphatic and C-H aromatic signal lost during thermal treatment at Rock-Eval temperatures. In particular, the loss of signal from 150 degreesC to 300 degreesC has been monitored and compared to the yield of oil obtained over this range by Rock-Eval analysis. Likewise. signal loss between 300-500 degreesC and 500-700 degreesC was monitored. Correlations of FTIRES changes with Rock-Eval pyrolysis derived parameters were not found because FTIRES reflects changes in composition of undistilled material during pyrolysis. However, by relating Rock-Eval and FTIRES derived parameters a source rock quality index can be derived. This index can be useful as a quick routine method for scanning samples to determine if the free oil in the source rock was generated by thermal maturation of the same source rock. (C) 2001 Elsevier Science B.V. All rights reserved. [References: 20]
机译：通过发射傅里叶变换红外光谱（FTIRES）和Rock-Eval热分析检查了11个石油源岩石样品。 FTIRES已用于估算在Rock-Eval温度下进行热处理期间丢失的C-H脂肪族和C-H芳香族信号的量。尤其是，已经监控了从150摄氏度到300摄氏度的信号损失，并将其与通过Rock-Eval分析在该范围内获得的石油产量进行了比较。同样。监测300-500摄氏度至500-700摄氏度之间的信号损耗。找不到FTIRES变化与Rock-Eval热解衍生参数的相关性，因为FTIRES反映了热解过程中未蒸馏物料的成分变化。但是，通过关联Rock-Eval和FTIRES导出的参数，可以导出源岩质量指数。该指数可作为一种快速常规方法，用于扫描样品以确定源岩中的游离油是否是由于同一源岩的热成熟而产生的。 （C）2001 Elsevier Science B.V.保留所有权利。 [参考：20]

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