Skip to main content

TableĀ 7 Residual oil saturations and % of heavy oil recovery enhancement following hot water injection and biosurfactant injection

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

Core No. Initial water saturation, % Initial oil saturation, % Residual oil saturation after hot water injection, % Residual oil saturation after biosurfactant injection, % % of heavy oil recovery enhancement
2 13.0 87.0 83.7 76.9 6.8
4 12.5 87.5 76.0 67.0 9.0
6 10.0 90.0 52.0 33.5 18.5
8 11.0 89.0 62.0 51.0 11.0