低熟烃源岩可溶有机质的荧光特性研究

Fluorescence Characteristics of Soluble Organic Matter Derived from Low-mature Source Rock

运用显微荧光分析技术 ,对江汉盆地盐湖环境自然演化剖面中低熟烃源岩的可溶有机质及其芳烃、非烃馏分进行了详细的研究 ,讨论了影响可溶有机质荧光光谱的因素。研究表明 ,随反射率及可溶有机质缩合程度的增加 ,其荧光“红移”;在低成熟阶段 ,非烃馏分的荧光参数与镜质组反射率相关性最好 ,是较好的成熟度参数。

By using a microscopic fluorescence analysis technique, a detail study is carried out on soluble organic matter and its aromatic hydrocarbon, nonhydrocarbon fractions of low mature source rock in natural evolutionary profile of the salt lake environment in Jianghan basin The factors influencing the fluorescence spectrum of the soluble organic matter are discussed The study shows that with the increase of reflectance and condensation degree of the soluble organic matter, its fluorescence is 'red shifting'; in a low mature stage, the correlation of the fluorescence parameters of the nonhydrocarbon fractions with the vitrinite reflectance is the best, which are better parameters of maturity