Journal of Chemistry / 2013 / Article / Tab 4

Research Article

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

Table 4

Wetting angles of the cores treated before and after by Type III polymer surfactant.

Core numberWetting angles before (°)Wetting angles after (°)

Berea 200-39373
Berea 200-49687
Natural 200-3125105
Natural 200-4130102

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