Oil & Gas Geology ›› 2021, Vol. 42 ›› Issue (5): 1089-1097.doi: 10.11743/ogg20210507
• Petroleum Geology • Previous Articles Next Articles
Received:
2021-03-25
Online:
2021-10-28
Published:
2021-10-26
CLC Number:
Yaxiong Zhang. Source rock characterization: The dark mudstone in Chang 7 Member of Triassic, central Ordos Basin[J]. Oil & Gas Geology, 2021, 42(5): 1089-1097.
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Table 1
Hydrocarbon expulsion characteristics of dark mudstone, Chang 7 Member, central Ordos Basin"
深度/m | 排烃率/ (mg·g-1) | 密度/ (g·cm-3) | 暗色泥岩厚度/ m | 排烃强度/ (104 t·km-2) | 单层排烃 效率/% | 面积/km2 | 残留烃量/ (108 t) | 排烃量/ (108t) |
1 250 | 0 | 2.53 | 1.0 | 0 | 0 | 88 | 0.53 | 0 |
1 450 | 120 | 2.53 | 3.0 | 36.43 | 20 | 79 | 1.15 | 0.29 |
1 650 | 150 | 2.53 | 2.0 | 30.36 | 25 | 95 | 0.86 | 0.29 |
1 850 | 270 | 2.53 | 1.5 | 40.98 | 45 | 123 | 0.62 | 0.50 |
2 050 | 330 | 2.53 | 2.0 | 66.79 | 55 | 137 | 0.75 | 0.92 |
2 250 | 390 | 2.53 | 2.0 | 78.94 | 65 | 115 | 0.49 | 0.91 |
2 450 | 450 | 2.53 | 1.5 | 68.31 | 75 | 68 | 0.15 | 0.46 |
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