Preparation and Performance of an Oil-Soluble Polyethylene Wax Particles Temporary Plugging Agent

Table 1

Ion compositions of injected water and formation water.

Ion	Na^+ + K^+	Ca^2+	Mg^2+	Cl^-	SO4^2−	HCO3^−
Injected water ion content (%)	0.0616	0.0058	0.0032	0.0420	0.0103	0.1117
Formation water ion content (%)	0.2235	0.0081	0.0020	0.2798	0.0069	0.1380