Composition and origin of molecular compounds in the condensate oils of the Dabei gas field, Tarim Basin, NW China

ZHU Guangyou,CHI Linxian,ZHANG Zhiyao,LI Tingting,YANG Haijun,CHEN Weiyan,ZHAO Kun,YAN Huihui

Table 5 The ratio of biomarker compounds in the Dabei gas field.

Well Ts/Tm diaC30H/C30H C2920S/(20S+20R) C29ββ/(ββ+αα) diaC27/reC27 diaC29/C29 C19/C23 C29Ts/C29H C23/C30H 22S/22R DB1 0.47 0.22 0.31 0.42 0.44 0.56 1.17 0.33 0.35 0.55 DB101-1 0.66 0.85 0.41 0.61 3.66 1.67 2.44 0.49 0.43 0.52 DB101-5 0.51 0.52 0.49 0.56 0.23 0.58 1.08 0.35 0.40 0.56 DB2 0.66 0.95 0.46 0.58 2.32 1.18 3.86 0.55 0.53 0.54 DB202 0.71 0.57 0.49 0.54 1.17 0.87 1.94 0.51 0.66 0.56 DB207 0.56 0.49 0.45 0.57 0.72 1.14 1.03 0.39 1.36 0.57 DB208 0.49 0.46 0.42 0.54 0.89 1.00 1.20 0.46 0.75 0.58