Investigation of microscopic pore structure variations of shale due to hydration effects through SEM fixed-point observation experiments
Weibo SUI,Yingying TIAN,Chenhao YAO
Table 1
Measured porosity and permeability of shale samples.
Sample No.
Porosity/%
Permeability/10
-3
μm
2
1
1.96
0.004 1
2
3.15
0.006 5
3
4.38
0.004 9
4
1.91
0.003 1