Experimental Investigation into the Effects of Fracturing Fluid-Shale Interaction on Pore Structure and Wettability

Table 2

Fractal dimensions of samples soaked in slick water for different times.

Sample	Soaking time (h)
		J-0	0	-0.4389	2.5611	0.9881	-0.1747	2.8253	0.9592
J-6 h	6	-0.4647	2.5353	0.9915	-0.2387	2.7613	0.9964
J-12 h	12	-0.4625	2.5375	0.9946	-0.2145	2.7855	0.9893
J-1d	24	-0.4603	2.5397	0.9953	-0.1967	2.8033	0.9726
J-2 d	48	-0.436	2.564	0.9944	-0.2298	2.7702	0.9942
J-4 d	96	-0.4908	2.5092	0.9909	-0.1937	2.8063	0.9696
J-6 d	144	-0.4758	2.5242	0.9959	-0.2057	2.7943	0.9739
J-8 d	196	-0.4895	2.5105	0.9969	-0.2352	2.7648	0.9852