Research Article
Experimental Study on the Properties and Displacement Effects of Polymer Surfactant Solution
Table 7
Experimental results of conventional intermediate-molecular-weight polymer flooding.
| | Experimental project | Absolute permeability (10−3 m2) | Porosity (%) | Oil saturation (%) | Water flooding recovery (%) | Polymer flooding recovery (%) | Overall recovery (%) |
| | Polymer (785 mg/L, 29.7 mPa·s) + water flooding | 305 | 24.22 | 70.75 | 39.75 | 10.25 | 50.00 |
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