Laboratory Study on the Potential EOR Use of HPAM/VES Hybrid in High-Temperature and High-Salinity Oil Reservoirs

Table 2

Apparent viscosity of the samples measured at simulated high-temperature and high-salinity oil reservoirs (TDS = 32,868 mg/L, [Ca²⁺] + [Mg²⁺] = 873 mg/L, T = 85°C, 𝛾̇ = 7.34 s⁻¹).

Sample	P30	P25E5	P20E10	P15E15	P10E20	P5E25	E30
η app (mPa·s)	17.93	11.34	8.59	11.25	30.61	18.29	28.04