Research Article

Experimental Investigation on the Stress-Dependent Permeability of Intact and Fractured Shale

Table 3

The fitting results.

Samples

Traditional exponential functionKJ10.048720.71570.9233
KJ20.047450.0.43360.8811
0.057810.40810.9030
Improved exponential functionKJ10.13560.9540
KJ20.10060.9007
0.14150.9769