Experimental Study on the Properties and Displacement Effects of Polymer Surfactant Solution

Table 6

Experimental results of Type III polymer surfactant flooding.

Experimental project	Absolute permeability (10^−3 𝜇m^2)	Porosity (%)	Oil saturation (%)	Water flooding recovery (%)	Polymer flooding recovery (%)	Overall recovery (%)
Polymer surfactant (600 mg/L, 30.5 mPa·s) + water flooding	336	24.78	72.43	39.49	11.69	51.18
Polymer surfactant (850 mg/L, 40.2 mPa·s) + water flooding	310	24.33	72.51	40.12	16.30	56.42
Polymer surfactant (1000 mg/L, 60.53 mPa·s) + water flooding	321	24.91	69.83	39.47	18.21	57.68