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TableĀ 2 Properties of core plugs used in this study

From: Injection of biosurfactant and chemical surfactant following hot water injection to enhance heavy oil recovery

Core No. Length, cm Diameter, cm Porosity, % Pore volume, cm3 Liquid permeability, mD Initial wettability
1 4.85 3.75 23.0 12.30 144 Oil wet
2 5.25 3.75 22.8 13.20 162 Oil wet
3 4.85 3.60 30.1 14.84 173 Oil wet
4 4.85 3.60 26.8 13.24 149 Oil wet
5 5.47 3.80 23.0 14.27 177 Oil wet
6 5.19 3.82 22.9 13.64 152 Oil wet
7 5.35 3.78 23.0 13.81 159 Oil wet
8 5.40 3.65 23.0 13.00 151 Oil wet
9 4.40 3.90 23.0 12.10 163 Oil wet
10 5.10 3.70 23.0 12.60 158 Oil wet
11 5.20 3.90 23.0 14.30 149 Oil wet