Table 1 Fitting parameters and equations for the relationship between pore radius and T2.

From: Experimental investigation of friction reducer effects on the microstructure and permeability of Longmaxi formation gas shale

Time (d)

\(\:\varvec{C}\varvec{{\prime\:}}\)

n

R2

Equation

0

9.7078

2.2677

0.9027

\(\:r=9.7078{{T}_{2}}^{0.4410}\)

1

14.9176

1.7507

0.9751

\(\:r=14.9176{{T}_{2}}^{0.5712}\)

5

14.8138

1.8622

0.9643

\(\:r=14.8138{{T}_{2}}^{0.5370}\)

10

16.4657

1.7410

0.9862

\(\:r=16.4657{{T}_{2}}^{0.5744}\)

30

17.0856

1.7071

0.9544

\(\:r=17.0856{{T}_{2}}^{0.5858}\)

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