致密砂岩储层孔⁃喉连通性研究

秦洋,姚素平,萧汉敏

An investigation into pore⁃throat connectivity in tight sandstone reservoir: A case of the Chang 7 Reservoir in Ordos Basin

Yang Qin,Suping Yao,Hanmin Xiao

表2 不同样品的核磁共振冻融法测试结果

Table 2 The results measured by NMRC for different tight sandstone samples

样品名 100~300 nm体积占比（%） 10~30 nm体积占比（%） 核磁孔隙度（%） Z?1 54.62 8.69 5.0488 Z?9 57.68 6.89 7.7154 Z?6 45.01 7.91 7.6586 Z?2 60.49 7.73 5.6853 Z?10 43.77 4.91 5.1189 Z124?7 50.16 6.23 9.2646