Research Article

Geochemical Characteristic and Source Correlation of Biodegraded Oils from the Western Halaalate Area of Junggar Basin

Table 2

Terpene and sterane data of crude oil and source rock from Hashanxi area and Mahu Depression.

TypesWellsDepth (m)StrataTricyclic terpanesPentacyclic triterpenesSterane
abcdefghijklmnopqrstuvwx

Crude oilHq6299.3C0.730.670.180.390.710.080.800.120.200.350.470.950.270.560.560.580.540.580.800.090.240.700.320.39
302.20.740.630.190.390.710.070.850.080.220.370.550.980.330.530.540.570.520.490.890.120.170.680.310.37
300.2~300.30.720.650.190.380.720.090.780.130.200.340.550.950.030.560.530.600.540.590.750.080.290.800.330.39
301.4~301.90.770.670.180.370.710.100.830.100.220.360.480.940.270.550.540.610.540.590.870.090.220.810.330.41
304.3~304.40.760.680.180.380.730.100.840.090.190.370.500.990.260.550.560.610.540.570.720.080.220.770.310.39
304.60.740.630.200.330.690.100.840.090.190.390.561.010.310.550.550.590.520.590.760.110.000.640.300.39
648.1~648.20.810.730.190.390.820.090.850.100.180.310.340.650.240.560.560.590.550.570.700.070.180.730.340.38
650.5~650.80.810.720.190.380.800.090.860.090.170.310.330.640.240.550.570.580.540.590.710.070.150.810.350.39
812.10.830.720.180.380.850.090.890.070.180.310.340.650.250.550.550.580.550.570.730.070.150.800.340.37
812.6~812.70.810.720.180.380.810.090.860.090.180.320.330.630.240.550.560.590.540.560.760.080.160.760.340.38
Hq1011452.50.570.740.220.450.840.080.790.140.150.260.340.750.290.550.570.560.460.501.100.090.230.780.420.4
1742.50.950.910.200.400.860.070.790.200.250.320.380.510.560.500.500.500.490.491.090.230.170.850.370.41
Hq31324.0~1328.00.560.530.200.350.870.070.920.100.290.370.380.510.510.490.520.540.460.500.630.130.381.020.410.37

Mudstones in Mahu DepressionFn14326.1P1f0.900.920.190.540.740.130.060.110.180.721.280.570.610.400.590.620.641.060.130.160.780.570.45
Fn24037.0~4043.00.650.460.220.500.760.080.890.080.140.230.540.640.290.590.560.550.660.531.040.120.080.750.550.45
4099.0~4104.00.740.560.220.490.770.080.920.080.100.240.490.800.460.580.610.580.580.530.970.120.070.690.510.43
Fn33909.0-3912.00.520.830.200.530.990.110.870.040.140.160.520.540.250.610.630.600.650.460.740.070.300.710.520.45
Fn44227.80.910.730.170.460.730.080.860.060.080.110.521.220.410.570.610.600.680.550.950.110.190.730.570.53
4227.50.700.750.170.570.770.160.800.030.070.120.540.610.280.570.55/0.660.55/0.000.200.720.570.51

Mudstones in Western Halaalate areaHq61360.5P1f0.770.680.150.340.440.030.660.180.590.250.220.560.440.420.320.450.420.440.700.050.370.690.250.16
1562.30.650.780.220.320.310.000.590.230.550.170.380.560.380.410.180.370.410.350.400.020.580.460.290.14
1918.20.920.880.140.280.730.030.520.200.310.190.320.670.450.490.390.490.560.440.670.060.280.430.340.16
2540.0~2540.60.880.950.240.420.700.010.540.240.270.260.290.660.270.500.430.480.470.500.240.040.180.710.220.23
1325.0~1335.00.830.810.180.400.840.070.600.220.340.310.260.580.280.440.370.550.460.480.780.070.350.720.260.21
1365.0~1380.00.820.790.170.380.810.060.740.130.350.300.270.630.340.440.370.570.480.530.780.060.330.740.260.22
14100.740.720.160.360.780.060.690.160.390.280.230.550.300.440.360.580.450.500.760.060.460.770.270.19
1460.0~1470.00.730.780.170.400.680.050.680.170.400.270.260.650.350.440.360.520.430.450.680.060.470.740.290.21
14760.710.720.180.370.790.050.660.170.350.260.260.660.320.450.360.550.440.500.680.060.400.730.280.2
14940.500.610.220.410.940.070.540.230.330.240.230.580.280.490.450.520.540.550.770.060.380.700.280.23
1360.50.780.610.190.330.590.030.510.280.450.240.210.510.340.440.360.560.460.470.800.070.380.710.270.18
1700.0~1752.00.770.640.160.320.850.060.730.150.380.290.330.840.400.470.430.510.480.480.790.080.290.710.250.2
Hs12099.90.820.610.190.310.610.070.860.080.320.320.160.250.150.530.520.540.490.440.760.050.440.740.190.25
2156.40.910.550.170.240.750.060.810.090.250.300.340.570.270.530.480.490.510.450.640.080.070.820.180.27

Note: a: C20TT/C21TT; b: C21TT/C23TT; c: C22TT/C21TT; d: C24TeT/C23TT; e: C24TeT/C26TT; f: C24Tet/C30H; g: ETR; h: ; i: C29 normortane/C29 norhopane; j: C30 mortane/C30H; k: G/C30H; l: G/C31HH; m: new gammacerane ; n: ; o: ; p: ; q: ; r: ; s: C35HH/C34HH; t: C27/C27; u: C27 diasterane/C28 sterane; v: C28 sterane/C29 sterane; w: ; x: ; TT. = tricyclic terpanes; TeT. = tricyclic terpenes; H = hopane; HH = homohopane; G = gammacerane.