利用核磁共振资料定量评价页岩孔隙结构

孟昆,王胜建,薛宗安,侯瑞卿,肖亮

Quantitative Evaluation of Shale Pore Structure Using Nuclear Magnetic Resonance Data

Kun MENG,Sheng-jian WANG,Zong-an XUE,Rui-qing HOU,Liang XIAO

表2 20块页岩样品三类孔隙结构的多重分形特征参数的分布范围和平均值

Table 2 The distribution ranges and average values of the multifractal characteristic parameters of the three typesof pore structures in 20 shale cores

类型 Dmin Dmax D-1 D1 Δα Dmin-Dmax Ⅰ 1.167~1.236 0.288~0.456 1.066~1.101 0.757~0.873 0.854~1.026 0.742~0.943 1.216 0.336 1.089 0.790 0.966 0.881 Ⅱ 1.231~1.245 0.227~0.270 1.106~1.115 0.669~0.724 1.031~1.075 0.965~1.009 1.237 0.251 1.111 0.700 1.053 0.986 Ⅲ 1.310~1.370 0.217~0.275 1.118~1.171 0.603~0.719 1.136~1.235 1.046~1.147 1.339 0.245 1.141 0.668 1.189 1.093