Table 2.

Ex-situ enhanced oil recovery with combined effect of biosurfactant incubation and biopolymer flooding.

Trail no	Soi %	OOIP (ml)	Initial oil recovery %	Sor %		Biopolymer flooding (g/L)	AOR
							(ml)	%
1	65.21	15	53.34	46.66	Biosurfactant incubation (0.5 mg/ml)	1	2.5	35.7
2	69.56	16	50.62	49.38		2	3.2	40.5
3	69.56	16	50	50		3	3.56	44.5
4	60.86	14	50.72	49.88		4	2.6	37.68
5	65.21	15	51.34	48.66		5	2.0	27.3
6	69.56	16	49.37	50.63		6	1.8	22.22

Soi - Initial oil saturation.

OOIP - Original Oil In Place.

Sor - Residual oil saturation.

AOR - Additional Oil Recovery.