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

Table 2

Components and physical property of the slick water fracturing fluid.

Component				Physical property
Friction reducer	Clay control agent	Cleanup agent	Demulsifier	pH	Surface tension	Wetting contact angle
0.2 wt.%	1 wt.%	0.15 wt.%	0.05 wt.%	5.23	29.31 mN/m	60.11°