Occurrence Mechanism and Controlling Factors of Shale Oil from the Paleogene Kongdian Formation in Cangdong Sag, Bohai Bay Basin, East China
Abstract
:1. Introduction
2. Samples and Methods
2.1. Samples
2.2. Mineralogical and Geochemical Analyses
2.3. Field Emission Scanning Electron Microscopy Imaging
2.4. Low-Temperature Nitrogen Adsorption Analyses
2.5. Mercury Intrusion Porosimetry Analyses
3. Results
3.1. Petrological and Geochemical Properties
3.2. Pore Properties
3.2.1. Qualitative Description of Pore Morphology from FE-SEM Imaging
3.2.2. Quantitative Analyses of Pore Structure from LNA Analyses
3.2.3. Quantitative Analyses of Pore Structure from MIP Analyses
3.3. Estimation of Total Oil Content
3.4. Estimation of Oil Contents in Different Occurrence States
4. Discussion
4.1. Occurrence Space of Shale Oil at Ek2
4.1.1. Occurrence Space of Shale Oil Based on LNA Analyses
4.1.2. Occurrence Space of Shale Oil Based on MIP Analyses
4.2. Factors Controlling the Total Oil Content
4.2.1. Effects of OM Abundance on Total Oil Content
4.2.2. Effect of Thermal Maturity on Total Oil Content
4.2.3. Effect of Pore Space on Total Oil Content
4.2.4. Effect of Mineral Compositions on Total Oil Content
4.3. Factors Controlling the Adsorbed and Free Oil
4.3.1. Effects of OM Abundance on Adsorbed and Free Oil
4.3.2. Effect of Thermal Maturity on Adsorbed and Free Oil
4.3.3. Effects of Mineral Compositions on Adsorbed and Free Oil
4.3.4. Effects of Pore Structure on Adsorbed and Free Oil
4.4. Models for Shale Oil Occurrence
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Sample ID | Well Name | Depth (m) | Quartz (wt.%) | Feldspar (wt.%) | Calcite (wt.%) | Dolomite (wt.%) | Clays (wt.%) | Analcime (wt.%) | Others (wt.%) | TOC (%) | Lithofacies |
---|---|---|---|---|---|---|---|---|---|---|---|
G108-8 2928 | G108-8 | 2928.56 | 13 | 15 | 17 | 24 | 21 | 10 | 0 | 1.78 | OFMM |
G108-8 2944 | G108-8 | 2944.63 | 12 | 8 | 12 | 36 | 15 | 17 | 1 | 3.98 | ORLC |
G108-8 2945 | G108-8 | 2945.49 | 12 | 13 | 13 | 21 | 19 | 21 | 1 | 4.68 | ORLM |
G108-8 2946 | G108-8 | 2946.83 | 13 | 5 | 21 | 26 | 21 | 13 | 1 | 1.21 | OFLC |
G108-8 2947 | G108-8 | 2947.97 | 19 | 13 | 8 | 11 | 16 | 31 | 1 | 5.00 | ORLM |
G108-8 2949 | G108-8 | 2949.65 | 12 | 14 | 13 | 28 | 16 | 16 | 1 | 4.55 | ORLC |
G108-8 2958 | G108-8 | 2958.90 | 17 | 11 | 13 | 10 | 17 | 30 | 3 | 2.59 | ORLM |
G108-8 2964 | G108-8 | 2964.34 | 7 | 6 | 9 | 63 | 10 | 5 | 0 | 2.63 | ORLC |
G108-8 2971 | G108-8 | 2971.88 | 13 | 14 | 11 | 20 | 19 | 20 | 4 | 3.47 | ORLM |
G108-8 2973 | G108-8 | 2973.07 | 9 | 6 | 9 | 48 | 20 | 8 | 1 | 2.18 | ORMC |
G108-8 3027 | G108-8 | 3027.85 | 16 | 14 | 12 | 24 | 22 | 12 | 1 | 1.07 | OFMM |
G108-8 3050 | G108-8 | 3050.26 | 16 | 18 | 15 | 23 | 17 | 11 | 1 | 1.36 | OFLM |
G108-8 3052 | G108-8 | 3052.22 | 16 | 16 | 6 | 4 | 15 | 41 | 2 | 3.23 | ORLS |
G108-8 3059 | G108-8 | 3059.18 | 14 | 13 | 12 | 19 | 15 | 24 | 3 | 4.19 | ORLM |
G108-8 3088 | G108-8 | 3088.09 | 10 | 9 | 6 | 38 | 24 | 13 | 0 | 1.15 | OFMC |
G108-8 3104 | G108-8 | 3104.93 | 12 | 25 | 7 | 9 | 26 | 20 | 3 | 5.58 | ORLM |
G108-8 3114 | G108-8 | 3114.88 | 14 | 16 | 7 | 38 | 16 | 10 | 0 | 1.81 | OFLM |
G108-8 3127 | G108-8 | 3127.43 | 14 | 25 | 5 | 13 | 20 | 23 | 1 | 5.53 | ORLS |
G108-8 3135 | G108-8 | 3135.72 | 11 | 15 | 0 | 50 | 13 | 11 | 0 | 4.46 | ORLC |
G108-8 3143 | G108-8 | 3143.87 | 16 | 10 | 2 | 26 | 24 | 21 | 2 | 2.49 | ORLM |
G108-8 3150 | G108-8 | 3150.23 | 19 | 15 | 8 | 7 | 15 | 36 | 1 | 1.66 | OFLS |
G108-8 3161 | G108-8 | 3161.47 | 16 | 12 | 6 | 32 | 18 | 17 | 0 | 1.56 | OFMM |
G108-8 3183 | G108-8 | 3183.08 | 20 | 20 | 7 | 24 | 17 | 10 | 2 | 4.58 | ORLM |
G108-8 3204 | G108-8 | 3204.05 | 20 | 11 | 4 | 33 | 29 | 0 | 4 | 3.56 | ORLM |
G108-8 3212 | G108-8 | 3212.16 | 19 | 37 | 6 | 1 | 29 | 4 | 4 | 6.74 | ORLS |
G108-8 3235 | G108-8 | 3235.44 | 11 | 23 | 14 | 26 | 18 | 6 | 2 | 4.74 | ORLM |
G108-8 3268 | G108-8 | 3268.09 | 17 | 14 | 3 | 8 | 33 | 24 | 1 | 6.44 | ORLM |
GD12 3823 | GD12 | 3823.87 | 20 | 36 | 1 | 27 | 10 | 7 | 0 | 1.15 | OFLS |
GD12 3826 | GD12 | 3826.02 | 17 | 14 | 3 | 8 | 33 | 24 | 1 | 0.39 | OFMM |
GD12 3831 | GD12 | 3831.92 | 20 | 12 | 6 | 5 | 36 | 20 | 1 | 0.48 | OFMM |
GD12 3833 | GD12 | 3833.48 | 8 | 10 | 8 | 34 | 23 | 16 | 2 | 1.28 | OFMC |
GD12 3834 | GD12 | 3834.15 | 15 | 9 | 2 | 8 | 29 | 36 | 1 | 0.44 | OFMM |
GD12 3847 | GD12 | 3847.25 | 18 | 42 | 6 | 12 | 19 | 3 | 0 | 2.79 | ORLS |
GD12 3855 | GD12 | 3855.72 | 9 | 60 | 1 | 24 | 6 | 0 | 0 | 3.84 | ORLS |
GD12 3859 | GD12 | 3859.39 | 10 | 64 | 3 | 9 | 11 | 0 | 3 | 4.72 | ORLS |
GD12 3894 | GD12 | 3894.93 | 18 | 25 | 4 | 31 | 22 | 0 | 0 | 3.37 | ORLM |
GD14 4078 | GD14 | 4078.07 | 7 | 11 | 21 | 38 | 15 | 7 | 1 | 0.51 | OFLC |
GD14 4081 | GD14 | 4081.55 | 14 | 47 | 18 | 5 | 13 | 0 | 3 | 2.60 | ORLS |
GD14 4082 | GD14 | 4082.09 | 10 | 44 | 14 | 17 | 14 | 0 | 2 | 4.38 | ORLS |
GD14 4084 | GD14 | 4084.38 | 11 | 68 | 11 | 6 | 4 | 0 | 0 | 2.70 | ORLS |
GD14 4095 | GD14 | 4095.27 | 12 | 34 | 6 | 25 | 20 | 0 | 3 | 1.79 | OFLM |
GD14 4096 | GD14 | 4096.66 | 14 | 44 | 9 | 15 | 19 | 0 | 0 | 2.02 | ORLS |
GD14 4103 | GD14 | 4103.11 | 9 | 52 | 10 | 5 | 22 | 0 | 2 | 3.26 | ORLS |
GD14 4113 | GD14 | 4113.26 | 15 | 41 | 8 | 24 | 13 | 0 | 0 | 2.20 | ORLS |
GD14 4115 | GD14 | 4115.10 | 8 | 28 | 14 | 39 | 10 | 0 | 1 | 0.92 | OFLC |
GD14 4116 | GD14 | 4116.29 | 19 | 20 | 10 | 44 | 7 | 0 | 0 | 3.37 | ORMC |
GD14 4117 | GD14 | 4117.69 | 6 | 16 | 15 | 54 | 10 | 0 | 0 | 1.07 | OFMC |
GD14 4126 | GD14 | 4126.07 | 14 | 23 | 10 | 43 | 10 | 0 | 0 | 2.40 | ORMC |
GD14 4134 | GD14 | 4134.52 | 15 | 34 | 15 | 19 | 16 | 0 | 1 | 2.77 | ORLM |
GD14 4136 | GD14 | 4136.21 | 11 | 44 | 5 | 32 | 6 | 0 | 2 | 4.13 | ORLS |
Sample ID | As-Received Shales | Organic Solvent-Extracted Shales | Tmax (°C) | Residual Oil Content (mg HC/g Rock) | Total Oil Content (mg HC/g Rock) | Heavy Oil Content (mg HC/g Rock) | ||
---|---|---|---|---|---|---|---|---|
S1 (mg HC/g Rock) | S2 (mg HC/g Rock) | S1E (mg HC/g Rock) | S2E (mg HC/g Rock) | |||||
G108-8 2928 | 0.58 | 7.09 | 0.11 | 3.98 | 444 | 3.69 | 4.33 | 3.11 |
G108-8 2944 | 0.94 | 27.17 | 0.09 | 20.27 | 444 | 7.84 | 8.88 | 6.90 |
G108-8 2945 | 0.95 | 35.86 | 0.15 | 27.31 | 445 | 9.50 | 10.54 | 8.55 |
G108-8 2946 | 0.19 | 2.09 | 0.06 | 0.18 | 442 | 2.10 | 2.31 | 1.91 |
G108-8 2947 | 1.52 | 49.56 | 0.03 | 38.43 | 447 | 12.65 | 14.33 | 11.13 |
G108-8 2949 | 0.86 | 27.25 | 0.08 | 20.33 | 446 | 7.78 | 8.73 | 6.92 |
G108-8 2958 | 1.33 | 25.05 | 0.04 | 18.55 | 440 | 7.83 | 9.30 | 6.50 |
G108-8 2964 | 0.87 | 12.73 | 0.07 | 8.55 | 440 | 5.05 | 6.00 | 4.18 |
G108-8 2971 | 0.90 | 18.53 | 0.11 | 13.26 | 440 | 6.17 | 7.16 | 5.27 |
G108-8 2973 | 2.20 | 9.82 | 0.06 | 6.19 | 438 | 5.83 | 8.25 | 3.63 |
G108-8 3027 | 0.17 | 1.03 | 0.11 | 0.18 | 438 | 1.02 | 1.21 | 0.85 |
G108-8 3050 | 0.11 | 3.44 | 0.09 | 1.02 | 446 | 2.53 | 2.65 | 2.42 |
G108-8 3052 | 1.03 | 23.48 | 0.15 | 17.55 | 442 | 6.96 | 8.09 | 5.93 |
G108-8 3059 | 0.95 | 24.93 | 0.06 | 18.45 | 446 | 7.43 | 8.48 | 6.48 |
G108-8 3088 | 0.13 | 0.90 | 0.03 | 0.18 | 440 | 0.85 | 0.99 | 0.72 |
G108-8 3104 | 1.80 | 46.49 | 0.08 | 35.94 | 439 | 12.35 | 14.33 | 10.55 |
G108-8 3114 | 0.25 | 6.94 | 0.04 | 3.86 | 444 | 3.33 | 3.61 | 3.08 |
G108-8 3127 | 0.99 | 41.97 | 0.07 | 32.27 | 438 | 10.69 | 11.78 | 9.70 |
G108-8 3135 | 1.60 | 29.51 | 0.11 | 22.16 | 438 | 8.95 | 10.71 | 7.35 |
G108-8 3143 | 1.28 | 18.08 | 0.25 | 12.13 | 443 | 7.23 | 8.64 | 5.95 |
G108-8 3150 | 0.81 | 9.68 | 0.19 | 6.79 | 442 | 3.70 | 4.59 | 2.89 |
G108-8 3161 | 0.54 | 9.62 | 0.16 | 7.02 | 444 | 3.14 | 3.73 | 2.60 |
G108-8 3183 | 2.00 | 36.54 | 0.17 | 23.98 | 444 | 14.56 | 16.76 | 12.56 |
G108-8 3204 | 3.21 | 23.82 | 0.06 | 17.55 | 442 | 9.48 | 13.01 | 6.27 |
G108-8 3212 | 5.60 | 49.71 | 0.11 | 40.22 | 439 | 15.09 | 21.25 | 9.49 |
G108-8 3235 | 2.12 | 35.85 | 0.20 | 26.82 | 448 | 11.15 | 13.48 | 9.03 |
G108-8 3268 | 2.61 | 43.83 | 0.33 | 36.44 | 446 | 10.00 | 12.87 | 7.39 |
GD12 3823 | 0.70 | 2.32 | 0.06 | 1.06 | 445 | 1.96 | 2.73 | 1.26 |
GD12 3826 | 0.96 | 1.44 | 0.08 | 0.22 | 442 | 2.18 | 3.24 | 1.22 |
GD12 3831 | 0.29 | 0.59 | 0.07 | 0.18 | 494 | 0.70 | 1.02 | 0.41 |
GD12 3833 | 0.28 | 7.10 | 0.03 | 3.64 | 444 | 3.74 | 4.05 | 3.46 |
GD12 3834 | 0.23 | 0.48 | 0.03 | 0.05 | 450 | 0.66 | 0.91 | 0.43 |
GD12 3847 | 3.93 | 10.81 | 0.11 | 7.62 | 446 | 7.12 | 11.44 | 3.19 |
GD12 3855 | 2.67 | 22.32 | 0.05 | 17.85 | 442 | 7.14 | 10.08 | 4.47 |
GD12 3859 | 3.87 | 22.73 | 0.07 | 18.70 | 446 | 7.90 | 12.16 | 4.03 |
GD12 3894 | 4.45 | 10.97 | 0.02 | 5.03 | 445 | 10.39 | 15.29 | 5.94 |
GD14 4078 | 0.32 | 0.77 | 0.04 | 0.37 | 439 | 0.72 | 1.07 | 0.40 |
GD14 4081 | 3.39 | 14.55 | 0.11 | 11.06 | 450 | 6.88 | 10.61 | 3.49 |
GD14 4082 | 3.25 | 16.35 | 0.12 | 11.02 | 444 | 8.58 | 12.16 | 5.33 |
GD14 4084 | 6.71 | 12.35 | 0.13 | 9.35 | 447 | 9.71 | 17.09 | 3.00 |
GD14 4095 | 4.52 | 6.67 | 0.11 | 2.76 | 442 | 8.43 | 13.40 | 3.91 |
GD14 4096 | 4.02 | 8.46 | 0.09 | 4.69 | 443 | 7.79 | 12.21 | 3.77 |
GD14 4103 | 2.84 | 17.50 | 0.15 | 16.36 | 447 | 3.98 | 7.10 | 1.14 |
GD14 4113 | 1.60 | 9.33 | 0.06 | 8.45 | 447 | 2.48 | 4.24 | 0.88 |
GD14 4115 | 2.52 | 2.50 | 0.03 | 0.34 | 435 | 4.68 | 7.45 | 2.16 |
GD14 4116 | 3.03 | 8.01 | 0.08 | 4.21 | 443 | 6.83 | 10.16 | 3.80 |
GD14 4117 | 1.49 | 3.44 | 0.04 | 1.32 | 444 | 3.61 | 5.25 | 2.12 |
GD14 4126 | 2.47 | 9.11 | 0.07 | 4.56 | 445 | 7.02 | 9.74 | 4.55 |
GD14 4134 | 2.34 | 12.39 | 0.11 | 11.00 | 448 | 3.73 | 6.30 | 1.39 |
GD14 4136 | 4.73 | 17.99 | 0.06 | 10.44 | 446 | 12.28 | 17.48 | 7.55 |
Sample ID | As-Received Shales | Organic Solvent-Extracted Shales | Increase in Pore Volume (mm3/g) | Increase in Non-Seepage-Pore Volume (mm3/g) | Increase in Potential Seepage-Pore Volume (mm3/g) | ||
---|---|---|---|---|---|---|---|
Specific Surface Area (m2/g) | Pore Volume (mm3/g) | Specific Surface Area (m2/g) | Pore Volume (mm3/g) | ||||
G108-8 2928 | 13.10 | 22.96 | 18.32 | 25.78 | 2.83 | 2.28 | 0.55 |
G108-8 2944 | 1.05 | 8.82 | 2.32 | 11.27 | 2.45 | 1.39 | 1.06 |
G108-8 2945 | 0.54 | 3.69 | 1.19 | 5.09 | 1.40 | 0.49 | 0.91 |
G108-8 2946 | 14.56 | 24.37 | 17.42 | 25.88 | 1.51 | 1.49 | 0.02 |
G108-8 2947 | 0.62 | 5.09 | 1.68 | 8.57 | 3.48 | 1.25 | 2.23 |
G108-8 2949 | 0.96 | 7.44 | 2.34 | 11.21 | 3.76 | 1.26 | 2.50 |
G108-8 2958 | 0.75 | 4.41 | 2.62 | 7.67 | 3.26 | 1.94 | 1.32 |
G108-8 2964 | 1.99 | 13.61 | 6.50 | 19.39 | 5.78 | 3.82 | 1.96 |
G108-8 2971 | 1.00 | 5.73 | 7.19 | 17.75 | 12.03 | 5.44 | 6.58 |
G108-8 2973 | 5.02 | 23.75 | 14.56 | 35.77 | 12.02 | 9.03 | 2.99 |
G108-8 3027 | 18.10 | 28.33 | 19.14 | 29.80 | 1.47 | 1.08 | 0.39 |
G108-8 3050 | 9.37 | 18.64 | 11.57 | 19.66 | 1.02 | 0.92 | 0.10 |
G108-8 3052 | 2.33 | 11.55 | 5.15 | 14.25 | 2.71 | 1.86 | 0.85 |
G108-8 3059 | 0.49 | 2.27 | 1.83 | 4.76 | 2.49 | 1.32 | 1.17 |
G108-8 3088 | 18.62 | 25.16 | 19.63 | 26.26 | 1.10 | 0.40 | 0.70 |
G108-8 3104 | 0.18 | 1.25 | 0.85 | 3.59 | 2.34 | 0.46 | 1.89 |
G108-8 3114 | 12.26 | 20.92 | 14.61 | 22.30 | 1.38 | 0.84 | 0.55 |
G108-8 3127 | 0.20 | 1.11 | 2.33 | 3.41 | 2.30 | 1.07 | 1.10 |
G108-8 3135 | 0.13 | 0.89 | 3.10 | 7.25 | 6.36 | 2.41 | 3.96 |
G108-8 3143 | 1.04 | 6.32 | 6.16 | 14.93 | 8.61 | 4.71 | 3.90 |
G108-8 3150 | 3.77 | 16.50 | 6.97 | 19.34 | 2.85 | 1.98 | 0.87 |
G108-8 3161 | 6.69 | 17.96 | 12.34 | 20.50 | 2.54 | 2.38 | 0.17 |
G108-8 3183 | 1.46 | 9.05 | 12.48 | 22.53 | 13.48 | 7.13 | 6.36 |
G108-8 3204 | 1.31 | 6.99 | 18.60 | 24.65 | 17.65 | 11.47 | 6.19 |
G108-8 3212 | 0.20 | 1.59 | 7.35 | 14.62 | 13.03 | 4.13 | 8.90 |
G108-8 3235 | 0.77 | 5.25 | 3.12 | 7.46 | 2.21 | 1.48 | 0.72 |
G108-8 3268 | 0.54 | 3.47 | 1.83 | 5.58 | 2.11 | 0.77 | 1.35 |
GD12 3823 | 3.75 | 9.24 | 6.37 | 10.87 | 1.64 | 1.46 | 0.17 |
GD12 3826 | 16.73 | 23.20 | 17.99 | 23.70 | 0.49 | 0.36 | 0.13 |
GD12 3831 | 15.41 | 21.78 | 15.86 | 22.11 | 0.33 | 0.03 | 0.30 |
GD12 3833 | 13.91 | 27.47 | 16.53 | 30.02 | 2.55 | 1.42 | 1.13 |
GD12 3834 | 14.23 | 21.67 | 14.91 | 21.91 | 0.24 | 0.17 | 0.07 |
GD12 3847 | 0.31 | 3.04 | 1.68 | 10.95 | 7.91 | 2.04 | 5.87 |
GD12 3855 | 0.26 | 2.44 | 0.93 | 7.46 | 5.02 | 0.80 | 4.22 |
GD12 3859 | 0.40 | 3.29 | 1.13 | 7.03 | 3.74 | 0.97 | 2.77 |
GD12 3894 | 0.86 | 6.14 | 3.60 | 13.83 | 7.70 | 3.42 | 4.27 |
GD14 4078 | 4.85 | 12.25 | 5.98 | 14.03 | 1.78 | 1.12 | 0.66 |
GD14 4081 | 0.63 | 5.21 | 1.31 | 8.13 | 2.92 | 1.06 | 1.86 |
GD14 4082 | 0.24 | 2.10 | 1.34 | 9.52 | 7.42 | 1.70 | 5.71 |
GD14 4084 | 0.46 | 3.45 | 1.60 | 10.16 | 6.71 | 1.86 | 4.84 |
GD14 4095 | 0.38 | 3.88 | 1.60 | 9.76 | 5.87 | 2.03 | 3.84 |
GD14 4096 | 0.48 | 4.01 | 1.38 | 8.69 | 4.68 | 1.49 | 3.18 |
GD14 4103 | 0.39 | 3.35 | 0.97 | 7.35 | 4.00 | 0.91 | 3.09 |
GD14 4113 | 0.56 | 4.39 | 1.13 | 7.61 | 3.22 | 0.83 | 2.39 |
GD14 4115 | 0.77 | 4.67 | 3.25 | 10.40 | 5.74 | 3.11 | 2.63 |
GD14 4116 | 0.52 | 5.14 | 1.62 | 11.43 | 6.30 | 1.70 | 4.59 |
GD14 4117 | 0.42 | 2.58 | 3.69 | 9.71 | 7.13 | 3.72 | 3.41 |
GD14 4126 | 0.48 | 4.26 | 2.03 | 12.49 | 8.23 | 2.38 | 5.84 |
GD14 4134 | 0.49 | 4.33 | 1.43 | 8.58 | 4.25 | 1.48 | 2.77 |
GD14 4136 | 0.48 | 4.50 | 1.67 | 11.96 | 7.45 | 1.73 | 5.72 |
Sample ID | As-Received | Organic Solvent-Extracted | Increase in Pore Volume (mm3/g) | |
---|---|---|---|---|
Pore Volume (mm3/g) | Porosity (%) | Pore Volume (mm3/g) | ||
G108-8 2928 | 18.22 | 3.70 | 21.26 | 3.04 |
G108-8 2944 | 20.94 | 5.50 | 26.94 | 6.00 |
G108-8 2945 | 13.31 | 6.29 | 26.47 | 13.16 |
G108-8 2946 | 22.08 | 5.44 | 23.42 | 1.34 |
G108-8 2947 | 5.86 | 4.25 | 20.43 | 14.57 |
G108-8 2949 | 16.92 | 5.84 | 25.36 | 8.44 |
G108-8 2958 | 11.12 | 3.11 | 14.61 | 3.49 |
G108-8 2964 | 13.50 | 5.08 | 22.50 | 9.00 |
G108-8 2971 | 19.40 | 5.28 | 24.56 | 5.17 |
G108-8 2973 | 22.12 | 7.54 | 34.50 | 12.38 |
G108-8 3027 | 25.54 | 5.88 | 26.34 | 0.79 |
G108-8 3050 | 11.27 | 3.73 | 16.15 | 4.88 |
G108-8 3052 | 26.33 | 7.68 | 36.20 | 9.87 |
G108-8 3059 | 7.41 | 2.35 | 12.36 | 4.95 |
G108-8 3088 | 21.34 | 5.05 | 22.82 | 1.47 |
G108-8 3104 | 9.54 | 5.49 | 22.43 | 12.88 |
G108-8 3114 | 11.94 | 3.87 | 17.55 | 5.61 |
G108-8 3127 | 2.38 | 2.78 | 13.76 | 11.38 |
G108-8 3135 | 5.50 | 3.23 | 12.11 | 6.60 |
G108-8 3143 | 9.82 | 5.19 | 20.12 | 10.30 |
G108-8 3150 | 14.09 | 4.31 | 18.73 | 4.64 |
G108-8 3161 | 15.01 | 4.14 | 18.03 | 3.02 |
G108-8 3183 | 9.30 | 7.18 | 28.65 | 19.35 |
G108-8 3204 | 18.67 | 7.86 | 34.00 | 15.32 |
G108-8 3212 | 29.36 | 12.95 | 43.87 | 14.51 |
G108-8 3235 | 15.17 | 7.11 | 28.76 | 13.59 |
G108-8 3268 | 17.92 | 8.13 | 30.84 | 12.92 |
GD12 3823 | 0.47 | 1.80 | 7.16 | 6.69 |
GD12 3826 | 13.94 | 3.16 | 17.78 | 3.84 |
GD12 3831 | 17.32 | 3.94 | 18.25 | 0.93 |
GD12 3833 | 27.18 | 6.18 | 27.99 | 0.81 |
GD12 3834 | 18.80 | 4.73 | 19.91 | 1.11 |
GD12 3847 | 18.92 | 6.81 | 29.83 | 10.91 |
GD12 3855 | 14.74 | 5.09 | 22.80 | 8.06 |
GD12 3859 | 13.73 | 5.88 | 24.91 | 11.18 |
GD12 3894 | 7.22 | 4.85 | 20.90 | 13.68 |
GD14 4078 | 10.77 | 2.77 | 12.27 | 1.50 |
GD14 4081 | 14.03 | 5.18 | 22.29 | 8.26 |
GD14 4082 | 15.69 | 6.46 | 27.64 | 11.96 |
GD14 4084 | 13.32 | 5.46 | 25.82 | 12.50 |
GD14 4095 | 6.15 | 3.69 | 15.86 | 9.71 |
GD14 4096 | 18.26 | 6.84 | 27.50 | 9.24 |
GD14 4103 | 17.12 | 5.02 | 21.86 | 4.74 |
GD14 4113 | 19.81 | 5.18 | 22.29 | 2.48 |
GD14 4115 | 10.99 | 3.80 | 15.70 | 4.71 |
GD14 4116 | 14.93 | 4.97 | 22.33 | 7.40 |
GD14 4117 | 6.10 | 2.08 | 7.94 | 1.84 |
GD14 4126 | 13.13 | 4.15 | 20.53 | 7.40 |
GD14 4134 | 17.08 | 4.92 | 21.13 | 4.05 |
GD14 4136 | 19.15 | 6.99 | 28.87 | 9.72 |
Sample ID | Adsorbed Oil Content (mg HC/g Rock) | Free Oil Content (mg HC/g Rock) | Sample ID | Adsorbed Oil Content (mg HC/g Rock) | Free Oil Content (mg HC/g Rock) |
---|---|---|---|---|---|
G108-8 2928 | 3.17 | 1.16 | G108-8 3235 | 7.98 | 5.51 |
G108-8 2944 | 6.59 | 2.29 | G108-8 3268 | 6.09 | 6.78 |
G108-8 2945 | 8.25 | 2.29 | GD12 3823 | 0.97 | 1.76 |
G108-8 2946 | 1.89 | 0.42 | GD12 3826 | 0.82 | 2.42 |
G108-8 2947 | 10.85 | 3.47 | GD12 3831 | 0.31 | 0.71 |
G108-8 2949 | 6.62 | 2.11 | GD12 3833 | 3.35 | 0.70 |
G108-8 2958 | 6.00 | 3.30 | GD12 3834 | 0.67 | 0.24 |
G108-8 2964 | 4.10 | 1.90 | GD12 3847 | 1.35 | 10.09 |
G108-8 2971 | 4.97 | 2.19 | GD12 3855 | 4.04 | 6.03 |
G108-8 2973 | 2.68 | 5.56 | GD12 3859 | 3.28 | 8.88 |
G108-8 3027 | 0.87 | 0.33 | GD12 3894 | 5.08 | 10.20 |
G108-8 3050 | 2.42 | 0.23 | GD14 4078 | 0.19 | 0.89 |
G108-8 3052 | 5.87 | 2.22 | GD14 4081 | 3.00 | 7.61 |
G108-8 3059 | 6.22 | 2.26 | GD14 4082 | 3.54 | 8.62 |
G108-8 3088 | 0.72 | 0.27 | GD14 4084 | 1.30 | 15.79 |
G108-8 3104 | 10.07 | 4.26 | GD14 4095 | 1.76 | 11.64 |
G108-8 3114 | 3.13 | 0.48 | GD14 4096 | 3.00 | 9.21 |
G108-8 3127 | 9.44 | 2.34 | GD14 4103 | 0.64 | 6.47 |
G108-8 3135 | 6.92 | 3.78 | GD14 4113 | 0.06 | 4.18 |
G108-8 3143 | 5.57 | 3.07 | GD14 4115 | 1.71 | 5.74 |
G108-8 3150 | 2.70 | 1.90 | GD14 4116 | 3.21 | 6.95 |
G108-8 3161 | 2.53 | 1.20 | GD14 4117 | 2.01 | 3.24 |
G108-8 3183 | 11.90 | 4.86 | GD14 4126 | 3.40 | 6.34 |
G108-8 3204 | 5.42 | 7.59 | GD14 4134 | 0.94 | 5.36 |
G108-8 3212 | 7.73 | 13.52 | GD14 4136 | 6.44 | 11.04 |
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Ma, B.; Hu, Q.; Pu, X.; Yang, S.; Wang, X.; Han, W.; Wen, J. Occurrence Mechanism and Controlling Factors of Shale Oil from the Paleogene Kongdian Formation in Cangdong Sag, Bohai Bay Basin, East China. J. Mar. Sci. Eng. 2024, 12, 1557. https://doi.org/10.3390/jmse12091557
Ma B, Hu Q, Pu X, Yang S, Wang X, Han W, Wen J. Occurrence Mechanism and Controlling Factors of Shale Oil from the Paleogene Kongdian Formation in Cangdong Sag, Bohai Bay Basin, East China. Journal of Marine Science and Engineering. 2024; 12(9):1557. https://doi.org/10.3390/jmse12091557
Chicago/Turabian StyleMa, Binyu, Qinhong Hu, Xiugang Pu, Shengyu Yang, Xuyang Wang, Wenzhong Han, and Jiacheng Wen. 2024. "Occurrence Mechanism and Controlling Factors of Shale Oil from the Paleogene Kongdian Formation in Cangdong Sag, Bohai Bay Basin, East China" Journal of Marine Science and Engineering 12, no. 9: 1557. https://doi.org/10.3390/jmse12091557