Recognition of Petroleum Origin in the Northern Piedmont Belt of Turpan-Hami Basin and Its Significance

Figure 9

The regular sterane distribution of inclusions, crude oil, and sandstone of the northern piedmont belt. Note: See Table 1 for the data of each sample; red lines represent horizontally inverted L-shaped; green lines represent asymmetric V-shaped or symmetric V-shaped; purple lines represent vertically inverted L-shaped.

(a) The regular sterane distribution of inclusions of Kekeya area

(b) The regular sterane distribution of crude oil and sandstones of Kekeya area

(c) The regular sterane distribution of inclusions of Shanle area

(d) The regular sterane distribution of crude oil of Shanle area

(e) The regular sterane distribution of inclusions, crude oil, and sandstone of Zhaobishan area

(f) The regular sterane distribution of crude oil and sandstone of Aketashi and Qialekan areas