Table 3.

Residual oil saturation and recovery factor after water flooding process.

Cores	Total recovered oil volume	Residual oil volume	${\mathit{S}}_{\mathit{w}}$	${\mathit{S}}_{\mathit{or}}$	Recovery factor
	mL	mL			%
A	4.50	5.25	0.58	0.42	46.15%
B	4.55	5.05	0.60	0.40	47.40%
C	4.70	5.10	0.58	0.42	47.96%
D	5.50	4.00	0.66	0.34	57.89%