The diagenetic stages and diagenetic facies are predicted by modeling the paleotemperature, vitrinite reflectance, sterane isomerization rate and authigenic quartz concentration in space and time.

• 该文通过模拟古地温、镜质组反射率、甾烷异构化率和自生石英含量随时间的变化规律，预测了西部凹陷南段成岩阶段和成岩相的横向展布。