鄂尔多斯盆地华池地区延长组7段页岩油储层孔隙结构特征及控制因素
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黄伟凯,周新平,刘江艳,贺彤彤,马晓峰,陶辉飞,李树同,郝乐伟
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Characteristics and controlling factors of pore structure of shale in the seventh member of Yanchang Formation in Huachi area, Ordos Basin
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Weikai HUANG,Xinping ZHOU,Jiangyan LIU,Tongtong HE,Xiaofeng MA,Huifei TAO,Shutong LI,Lewei HAO
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表2 鄂尔多斯盆地延长组长7段泥页岩孔隙结构参数
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Table 2 Pore structure parameters of shale in the seventh member of Yanchang Formation in Ordos Basin
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样品号 | BET比 表面积 /(m2/g) | BJH总孔 体积 /(cm3/g) | BJH平均 孔径 /nm | 微孔 体积 /(cm3/g) | 中孔 体积 /(cm3/g) | 大孔 体积 /(cm3/g) | 超大孔 体积 /(cm3/g) | 微孔比 表面积 /(m2/g) | 中孔比 表面积 /(m2/g) | 大孔比 表面积 /(m2/g) | 超大孔比表面积 /(m2/g) |
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CY-6 | 4.081 8 | 0.010 584 | 11.357 9 | 0.000 44 | 0.003 48 | 0.001 00 | 0.000 95 | 0.593 | 0.563 | 0.03 | 0.012 | CY-11 | 1.514 6 | 0.005 627 | 16.860 9 | 0.000 25 | 0.002 41 | 0.000 93 | 0.001 21 | 0.317 | 0.300 | 0.028 | 0.015 | CY-17 | 1.904 1 | 0.008 923 | 24.875 9 | 0.000 47 | 0.004 42 | 0.001 6 | 0.002 40 | 0.689 | 0.461 | 0.045 | 0.031 | CY-23 | 1.574 0 | 0.004 861 | 14.427 2 | 0.000 19 | 0.002 41 | 0.000 84 | 0.001 25 | 0.222 | 0.492 | 0.024 | 0.016 | CY-31 | 1.568 5 | 0.004 171 | 12.307 5 | 0.000 16 | 0.001 76 | 0.000 56 | 0.000 89 | 0.184 | 0.376 | 0.016 | 0.011 | CY-35 | 2.261 3 | 0.007 320 | 13.680 6 | 0.000 20 | 0.003 81 | 0.001 16 | 0.001 46 | 0.231 | 0.750 | 0.033 | 0.019 | CY-36 | 1.986 8 | 0.006 298 | 13.894 4 | 0.000 18 | 0.003 44 | 0.000 98 | 0.001 50 | 0.206 | 0.710 | 0.028 | 0.019 | CY-40 | 3.443 5 | 0.011 108 | 13.279 9 | 0.000 22 | 0.005 86 | 0.001 44 | 0.002 01 | 0.264 | 1.175 | 0.041 | 0.025 | CY-47 | 3.591 8 | 0.010 115 | 11.314 | 0.000 24 | 0.004 49 | 0.000 97 | 0.001 04 | 0.304 | 0.886 | 0.028 | 0.013 |
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