A New Experimental Approach for Hydraulic Fracturing Fluid Damage of Ultradeep Tight Gas Formation

Table 3

HCP damage test results of the tight sandstone cores.

Core no.
	10^−6 μm^2	10^−6μm^2	(%)
1	2.742	0.311	88.6
2	4.772	0.227	95.2
4	4.975	0.013	99.7
8	1.665	0.174	89.6
12	0.064	0.001	98.0
13	69.274	6.893	90.0
14	18.272	1.491	91.8
18	286.049	33.184	88.4
20	24.423	1.138	95.3