Crude oil samples of the Xifeng oilfield in the Ordos basin were collected systematically and analyzed by means of high-resolution GC-MS and IRMS.

• 通过对鄂尔多斯盆地西峰油田原油进行系统地采样和高分辨率的GC-MS、IRMS分析,研究了原油的生物标志化合物和碳同位素组成特征,并且进行了油源对比,探讨了其成因。