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1 鄂尔多斯盆地城页1井长7段页岩矿物组分及有机地球化学参数
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Table 1 Mineral composition and organic geochemical parameters of shale in the seventh member of Yanchang Formation of Well Chengye 1 in Ordos Basin
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| 样号 | 深度/m | 岩性 | TOC /% | RO /% | S1 /（mg/g） | S2 /（mg/g） | Tmax /℃ | 矿物含量/% | I/S /% | 伊利 石 /% | 高岭 石 /% | 绿泥 石 /% |
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| 石英 | 斜长 石 | 钾长 石 | 氟磷灰石 | 黏土矿 物总和 | 黄铁 矿 | 碳酸盐 矿物 |
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| CY-6 | 2 002.3 | 灰黑色页岩 | 5.32 | 0.93 | 0.89 | 3.3 | 454 | 36.4 | 6.3 | 2.8 | 0.0 | 39.3 | 12.5 | 2.7 | 72 | 13 | 3 | 12 | | CY-11 | 2 011.41 | 黑色页岩 | 11.36 | 1.2 | 3.08 | 15.53 | 449 | 29.3 | 6.2 | 2.6 | 0.0 | 29.9 | 32.0 | 0.0 | 79 | 12 | 2 | 7 | | CY-17 | 2 018.7 | 灰黑色页岩 | 10.51 | 0.95 | 2.25 | 17.08 | 448 | 60.3 | 2.9 | 1.2 | 0.0 | 15.6 | 20.1 | 0.0 | 76 | 16 | 2 | 6 | | CY-23 | 2 027.21 | 黑色页岩 | 16.05 | 1.01 | 3.94 | 27.33 | 451 | 29.6 | 14.6 | 4.0 | 0.0 | 19.5 | 32.4 | 0.0 | 79 | 12 | 3 | 6 | | CY-31-Y | 2 036.08 | 黑色页岩 | 17.20 | 1.19 | 6.13 | 34.32 | 451 | 30.2 | 8.5 | 2.2 | 5.9 | 16.0 | 33.9 | 3.3 | 77 | 11 | 2 | 10 | | CY-35-Y | 2 041.59 | 黑色页岩 | 11.56 | 0.95 | 2.65 | 14.05 | 453 | 39.6 | 10.5 | 2.8 | 0.0 | 29.0 | 15.0 | 3.1 | 78 | 14 | 0 | 8 | | CY-36 | 2 041.77 | 黑色页岩 | 15.24 | / | 3.15 | 24.98 | 451 | 26.1 | 11.0 | 2.6 | 12.8 | 15.9 | 28.4 | 3.3 | 79 | 11 | 0 | 10 | | CY-40 | 2 044.89 | 黑色泥岩 | 13.28 | / | 3.37 | 23.21 | 452 | 14.2 | 12.4 | 2.9 | 4.1 | 25.4 | 38.3 | 2.6 | 76 | 14 | 1 | 9 | | CY-47 | 2 050.2 | 黑色泥岩 | 8.86 | / | 2.26 | 12.34 | 454 | 18.5 | 15.9 | 3.8 | 2.6 | 46.2 | 11.7 | 1.4 | 79 | 13 | 1 | 7 |
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