黏土矿物和孔喉特征对致密砂岩可动流体分布的影响——以鄂尔多斯盆地东部山西组储层为例

李咪, 郭英海, 杨亦浩, 简阔, 茹忠亮, 李冠霖

Effects of clay minerals and pore-throat characteristics on the movable fluid of tight sandstones：A case study of the Shanxi Formation in eastern Ordos Basin

Mi LI, Yinghai GUO, Yihao YANG, Kuo JIAN, Zhongliang RU, Guanlin LI

表2 山西组典型致密砂岩样品的黏土矿物组成及含量

Table 2 Types and contents of clay minerals occurred in typical tight sandstone samples of Shanxi Formation

样品编号 黏土矿物相对含量/% 伊/蒙间层比 黏土矿物绝对含量/% 伊/蒙间层 伊利石 高岭石 绿泥石 1# 31 33 36 / 10 3 2# / 41 18 41 / 14 3# 19 7 73 1 10 13 4# / 23 44 33 / 10 5# 3 26 35 36 20 17 6# / 37 16 47 / 20 7# 6 83 2 9 40 27 8# 8 47 12 33 20 18