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Typical end-member oil derived from Cambrian-Lower Ordovician source rocks in the Tarim Basin, NW China
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Jianping BAO,Cuishan ZHU,Zhifeng WANG
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Table 1 Basic geochemical parameters of crude oils in this study.
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| Well name | Sampling depth/m | Horizon | Pr/Ph | Pr/nC17 | Ph/nC18 | Density/
(g·cm-3) | Viscosity/
(mP?s) | Wax
content/% | Sulfur content/% | δ13C/‰ | | YM101 | 5 912.50-5 917.00 | O | 1.14 | 0.48 | 0.54 | / | / | / | / | / | | YM201 | 5 844.00-5 888.00 | O | 1.09 | 0.44 | 0.46 | 0.880 6 | 13.5 | 10.2 | 0.64 | -33.3 | | TZ11 | 4 301.00-4 307.00 | S | 1.22 | 0.43 | 0.49 | 0.771 3 | 0.80 | 1.9 | 0.12 | -31.7 | | TZ30 | 4 997.00-5 026.00 | O | 1.37 | 0.32 | 0.31 | 0.817 5 | 2.65 | 9.5 | 0.35 | -32.0 | | TD2 | 4 561.93-5 040.00 | ?C | 1.55 | 0.45 | 0.37 | 1.021 7 | 2698 | 10.46 | 0.51 | -28.2 |
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