The composition of regular sterane suggests the different times, while distribution pattern of tricyclic terpane and abundance of diahopanes indicate the discrepancies of sedimentary environments.

• 据此，初步将这些参数应用于两方面研究，一是为划分地层沉积环境提供“生物标志物相标志”，二是研究油源对比，取得良好效果。