Petroleum Reservoir Evaluation and Development ›› 2021, Vol. 11 ›› Issue (4): 506-513.doi: 10.13809/j.cnki.cn32-1825/te.2021.04.005
• Exploration & Development of Shale Oil and Gas • Previous Articles Next Articles
DAI Bo1(),LI Erdang1,WANG Xiaojun1,CAO Li1,MA Xiong1,ZANG Qibiao2,3()
Received:
2020-09-18
Online:
2021-08-26
Published:
2021-08-19
Contact:
ZANG Qibiao
E-mail:cqytdb@126.com;1448906535@qq.com
CLC Number:
DAI Bo,LI Erdang,WANG Xiaojun,CAO Li,MA Xiong,ZANG Qibiao. Evaluation of shale oil migration and accumulation rules based on geochemical parameters of source rocks[J].Petroleum Reservoir Evaluation and Development, 2021, 11(4): 506-513.
Table 1
Comparison of basic geochemical characteristics of different lithology of Well-D199"
岩性 | TOC(%) | S1(mg/g) | S2(mg/g) | S1+S2 (mg/g) | (mg/g) | 102(mg/g) | 102(mg/g) | 102(mg/g) | |
---|---|---|---|---|---|---|---|---|---|
页岩 | 最大 | 10.81 | 8.80 | 28.65 | 32.41 | 0.49 | 254.66 | 388.66 | 643.32 |
最小 | 1.63 | 1.13 | 28.65 | 8.44 | 0.09 | 27.90 | 113.08 | 147.80 | |
平均值 | 4.97 | 5.08 | 11.82 | 16.90 | 0.32 | 136.24 | 256.92 | 393.17 | |
泥岩 | 最大 | 9.86 | 7.78 | 12.14 | 17.51 | 0.62 | 249.36 | 274.32 | 530.08 |
最小 | 1.76 | 0.50 | 4.30 | 4.80 | 0.10 | 27.17 | 123.12 | 177.59 | |
平均值 | 3.15 | 3.04 | 6.44 | 9.49 | 0.29 | 105.83 | 234.18 | 340.01 | |
泥质砂岩 | 最大 | 2.14 | 5.28 | 4.37 | 8.44 | 0.82 | 544.33 | 204.21 | 732.99 |
最小 | 0.88 | 2.70 | 0.63 | 3.45 | 0.48 | 190.19 | 60.98 | 280.49 | |
平均值 | 1.29 | 3.67 | 1.88 | 5.55 | 0.70 | 312.46 | 134.60 | 447.06 |
Table 2
Comparison of composition characteristics of extracts of different lithology of Well-D199"
岩性 | (mg/g) | 重量(mg/g) | 重量比(%) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
饱和烃 | 芳香烃 | 非烃 | 沥青 | 饱和烃 | 芳香烃 | 非烃+沥青 | ||||
页岩 | 平均值 | 6.59 | 2.98 | 0.64 | 0.17 | 2.80 | 43.51 | 10.00 | 46.48 | |
最大 | 10.25 | 4.72 | 1.83 | 0.39 | 6.23 | 64.20 | 28.20 | 65.50 | ||
最小 | 2.31 | 0.50 | 0.20 | 0.05 | 1.25 | 11.40 | 2.70 | 22.00 | ||
泥岩 | 平均值 | 6.65 | 3.17 | 0.92 | 0.33 | 2.23 | 45.81 | 15.45 | 38.74 | |
最大 | 10.36 | 6.83 | 1.81 | 0.97 | 3.53 | 70.80 | 39.50 | 51.40 | ||
最小 | 2.13 | 0.41 | 0.11 | 0.05 | 0.57 | 16.00 | 1.40 | 24.50 | ||
泥质砂岩 | 平均值 | 7.64 | 5.20 | 0.45 | 0.25 | 1.75 | 70.58 | 5.72 | 23.72 | |
最大 | 10.11 | 6.19 | 0.98 | 0.59 | 3.34 | 81.20 | 9.70 | 37.20 | ||
最小 | 4.64 | 3.67 | 0.28 | 0.06 | 0.61 | 56.30 | 3.40 | 14.00 |
Table 3
Comparison of biomarker characteristics of different lithology of Well-D199 %"
岩性 | n-C11-21 | n-C22-30 | n-C31-39 | C27规则甾烷 | C28规则甾烷 | C29规则甾烷 | |
---|---|---|---|---|---|---|---|
页岩 | 范围 | 46.3~50.8 | 44.2~48.1 | 4.6~5.9 | 22.4~25.6 | 30.4~34.2 | 43.3~44.7 |
平均值 | 48.7 | 45.9 | 5.3 | 23.8 | 32.5 | 43.8 | |
泥岩 | 范围 | 41.4~46.5 | 48.9~52.1 | 4.6~6.5 | 21.1~23.9 | 27.2~35.8 | 43.0~51.8 |
平均值 | 44.0 | 50.4 | 5.6 | 22.2 | 32.2 | 45.8 | |
泥质砂岩 | 范围 | 48.8~54.2 | 41.3~46.7 | 4.4~4.7 | 19.8~21.2 | 35.2~39.8 | 40.0~45.0 |
平均值 | 51.2 | 44.2 | 4.6 | 20.3 | 37 | 42.3 | |
总计 | 范围 | 41.4~54.2 | 41.3~48.1 | 4.4~5.9 | 19.8~25.6 | 27.2~39.8 | 40.0~51.8 |
平均值 | 47.8 | 46.9 | 5.2 | 22.3 | 33.5 | 44.1 |
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