Research Article
Special Distribution of Crude Oil in the Lucaogou Formation in Jimusaer Sag and Genetic Analysis of Its Physical Difference
Table 2
Biomarker parameters of Lucaogou Formation crude oil in the Jimusaer Sag in Junggar Basin.
| Well no. | Depth (m) | Stratum | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| Ji171 | 3074–3088 | P2l2 | 1.00 | 0.97 | 1.06 | 0.57 | 1.26 | 1.25 | 0.59 | 0.74 | 0.43 | 0.33 | 0.43 | Ji172 | 2920–2970 | P2l2 | 0.89 | 0.75 | 0.87 | 0.63 | 1.32 | 1.31 | 0.27 | 0.85 | 0.46 | 0.26 | 0.39 | Ji173 | 3088–3109 | P2l2 | 1.10 | 0.96 | 0.93 | 0.75 | 1.34 | 1.34 | 0.39 | 0.76 | 0.46 | 0.25 | 0.37 | Ji174 | 3116–3146 | P2l2 | 0.79 | 0.72 | 0.91 | 0.57 | 1.26 | 1.25 | 0.29 | 0.81 | 0.38 | 0.29 | 0.41 | Ji176 | 3028–3063 | P2l2 | 0.83 | 0.75 | 1.01 | 0.54 | 1.25 | 1.24 | 0.35 | 0.76 | 0.41 | 0.32 | 0.41 | Ji23 | 2309–2385 | P2l2 | 0.95 | 0.71 | 0.40 | 1.54 | 1.33 | 1.29 | 0.50 | 0.80 | 0.44 | 0.20 | 0.24 | Ji25 | 3403–3425 | P2l2 | 0.79 | 0.72 | 0.89 | 0.55 | 1.23 | 1.23 | 0.33 | 0.83 | 0.40 | 0.31 | 0.44 | Ji28 | 3198–3325 | P2l2 | 1.24 | 1.06 | 1.19 | 0.53 | 1.32 | 1.33 | 0.39 | 0.85 | 0.60 | 0.27 | 0.42 | Ji30 | 4018–4184 | P2l2 | 0.84 | 0.82 | 1.61 | 0.35 | 1.17 | 1.16 | 0.33 | 0.59 | 0.23 | 0.46 | 0.46 | Ji301 | 2762–776.5 | P2l2 | 0.97 | 0.86 | 0.90 | 0.73 | 1.29 | 1.27 | 0.48 | 0.87 | 0.49 | 0.30 | 0.41 | Ji302 | 2840–2845 | P2l2 | 0.89 | 0.71 | 0.92 | 0.70 | 1.30 | 1.30 | 0.27 | 0.75 | 0.37 | 0.26 | 0.39 | Ji302 | 2853–2870 | P2l2 | 0.89 | 0.73 | 0.86 | 0.64 | 1.30 | 1.29 | 0.29 | 0.87 | 0.47 | 0.26 | 0.38 | Ji303 | 2598–2604 | P2l2 | 1.11 | 0.90 | 0.69 | 0.90 | 1.34 | 1.31 | 0.47 | 0.83 | 0.51 | 0.26 | 0.38 | Ji37 | 2830–2849 | P2l2 | 1.01 | 0.87 | 0.81 | 0.58 | 1.28 | 1.27 | 0.39 | 0.76 | 0.54 | 0.28 | 0.38 | Ji174 | 3255–3314 | P2l1 | 2.04 | 2.42 | 1.41 | 0.46 | 1.28 | 1.27 | 1.86 | 0.65 | 0.22 | 0.26 | 0.40 | Ji305 | 3565–3588 | P2l1 | 1.48 | 1.64 | 1.21 | 0.52 | 1.25 | 1.23 | 1.49 | 0.69 | 0.23 | 0.30 | 0.44 | Ji31 | 2875–2945 | P2l1 | 2.38 | 3.17 | 1.22 | 0.42 | 1.28 | 1.27 | 1.82 | 0.70 | 0.28 | 0.22 | 0.36 | Ji33 | 3664–3717 | P2l1 | 1.37 | 1.49 | 1.62 | 0.37 | 1.23 | 1.22 | 0.88 | 0.68 | 0.29 | 0.34 | 0.45 | Ji36 | 4209–4255 | P2l1 | 1.44 | 1.54 | 1.15 | 0.47 | 1.25 | 1.23 | 0.66 | 0.65 | 0.27 | 0.35 | 0.44 | Ji39 | 3982–3987 | P2l1 | 1.16 | 1.15 | 1.20 | 0.42 | 1.18 | 1.19 | 0.68 | 0.64 | 0.25 | 0.41 | 0.45 | Ji40 | 3579–3626 | P2l1 | 1.52 | 1.71 | 1.10 | 0.40 | 1.22 | 1.22 | 1.37 | | | | |
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Notes: 1: ; 2: Ph/ n-C 18; 3: C 21-/C 22+; 4: TAR; 5: OEP; 6: CPI; 7: β-carrotane/ n-C 21; 8: ( ααα-20R C 28/C 29 sterane; 9: ααα-20R C 27/C 29 sterane; 10: αββ/( ) C 29 sterane; 11: C 29ααα20S/( ). TAR: terrigenous/aquatic ; CPI: carbon preference index of , after Bray and Evans (1961); OEP: odd-even predominance of , after Scalan and Smith (1970). |