Pore Structure Alteration Characteristics of Different Mineralogical Composition Shale during Shale-Fracturing Fluid Physical-Chemical Interactions

Table 5

Fractal dimensions of the shale samples before and after slick water treatment.

Samples	State	: 0-0.45			: 0.45-1
		Fitting equation			Fitting equation
YY	Raw		2.507	0.9619		2.664	0.9967
	Treated		2.492	0.9948		2.782	0.9825
GZ	Raw		2.544	0.9891		2.776	0.9777
	Treated		2.470	0.9549		2.596	0.9873