氮气吸附滞后回环定量分析及其在孔隙结构表征中的指示意义

宋泽章, 阿比德·阿不拉, 吕明阳, 张月巧, 姜福杰, 刘哲宇, 郑伟, 王夏阳

Quantitative analysis of nitrogen adsorption hysteresis loop and its indicative significance to pore structure characterization：A case study on the Upper Triassic Chang 7 Member， Ordos Basin

Zezhang SONG, Abula ABIDE, Mingyang LYU, Yueqiao ZHANG, Fujie JIANG, Zheyu LIU, Wei ZHENG, Xiayang WANG

表1 鄂尔多斯盆地陇东地区长7段泥页岩样品XRD分析测试结果

Table 1 The XRD results of shale samples from Chang 7 shale in Longdong area， Ordos Basin

样品号 全岩矿物组分含量/% 石英 钾长石 斜长石 方解石 白云石 菱铁矿 黄铁矿 黏土矿物 Z22-1584.65* 22.2 0 6.8 0 0 0 0 71.0 Z22-1626.00 33.4 0 10.9 0 0 0 0 55.7 Z22-1632.45 10.8 4.7 8.7 0 0 6.5 0 69.3 LI231-2105.90 32.4 0 0 0 0 0 12.7 54.9 YAN56-3032.10* 42.6 0 5.6 0 0 0 0 51.8 YAN56-3058.40 45.3 0 0.0 0 0 0 1.9 52.8 Z22-1563.40 21.2 0 18.3 0 0 0 13.5 47.0 Z22-1569.10 19.1 0 21.7 0 0 0 11.4 47.8 LI68-2078.90* 42.3 0 9.9 0 0 0 17.3 30.5