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采用有机岩石学与有机地球化学相结合的分析方法,对新疆三塘湖盆地塘参3井自然演化剖面烃源岩样品(煤样和泥岩样)进行了较详细的研究,确认该井上古生界烃源岩存在异常明显的镜质组反射率 Ro 抑制,并初步探讨了 Ro 抑制的原因及其校正方法。研究表明,塘参3井剖面中上古生界烃源岩 Ro抑制主要是由比较富含壳质组和腐泥组造成的,指出其 Ro 抑制程度约为0.10%～0.35%。
Using the combination of organic petrology and organic geochemistry, the source rock samples (coal samples and mudstone samples) of the natural evolution section of the Tangshen 3 well in the Santanghu Basin of the Xinjiang Uygur Autonomous Region have been studied in more detail. There is an exceptionally significant Ro inhibition of vitrinite reflectance in the source rocks of the Proterozoic, and the reason for the Ro inhibition and the correction method are discussed preliminarily. The results show that the Ro inhibition of the Upper Paleozoic source rocks in the section of the Tangshen 3 well is mainly caused by the enrichment of the crust group and the sapropel group, and the Ro inhibition level is about 0.10% -0.35%.