期刊
VIBRATIONAL SPECTROSCOPY
卷 87, 期 -, 页码 14-19出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.vibspec.2016.08.014
关键词
Raman spectroscopy; Attenuated total reflection IR spectroscopy; Kerogen; Vitrinite reflectance; Thermal maturity
Source rocks are sedimentary rocks containing organic matter. In order to evaluate if a source rock is suitable for economical exploitation, the evaluation of many factors is required, among which the most important are concentration of the organic matter and its quality (e.g. kerogen type and thermal maturity) that evolves following temperature and pressure over burial history. Themost commonly used techniques to characterize the thermal maturity of organic matter are the maximum pyrolysis temperature of generated hydrocarbons and the reflectance of vitrinite macerals (%Ro). The limitations to the applicability of these analyses is the driving force to develop new methods and in particular spectroscopic ones. In this work the maturity of different kerogens (i.e. solid organic matter entrapped into rocks), both naturally and artificially aged, is determined by Raman and Attenuated Total Reflection-InfraRed (ATR-IR) spectroscopies, applied directly to source rocks. The parameterization of spectra by suitable variables proved to allow evaluating kerogen maturity with the best reliability at lower rank for ATR-IR and at higher rank for Raman analysis. Good correlations were,obtained between Raman and ATR-IR spectroscopic parameters and the above mentioned vitrinite reflectance (%Ro). (C) 2016 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据