Study on Non-Darcian Flow in Interlayer Shear Weakness Zones in the Basalt by High-Pressure Packer Tests

Figure 11

The variation of equivalent permeability coefficient in different pressure stage in the borehole (a)CZK51 and (b)CZK88, with the detailed results of the undamaged stage in (c)CZK51 and (d)CZK88.