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本文应用太赫兹时域光谱技术研究了灰色泥岩在半封闭半开放体系下经历不同生烃模拟温度、压力所得干酪根的光学性质,获得了不同干酪根样品在太赫兹波段的吸收谱和折射率,结合样品的镜质体反射率,建立了干酪根在不同演化阶段的生烃模式,分析了干酪根样品在地质升温速率下的自然演化过程及主生烃期,为研究烃源岩的演化及油气生成提供了参考.
In this paper, the terahertz time-domain spectroscopy was used to study the optical properties of gray mudstone under different semi-closed and semi-open systems under different hydrocarbon generation temperature and pressure. The absorption spectra and refractive indices of different kerogen samples in terahertz band were obtained. Based on the vitrinite reflectance, the hydrocarbon generation modes of kerogen at different evolution stages were established. The natural evolution process and main hydrocarbon generation period of kerogen samples at geologic heating rate were analyzed. In order to study the evolution of source rocks And oil and gas generation provided a reference.