Modeling Wettability Variation during Long-Term Water Flooding

Table 4

Displacement experiment data.

Core number	Injected rate; (mL/min)	Viscosity; (cp)	Interfacial tension; (mN/m)	Sweep rate; (10^−5 m/s)	Displacement; Efficiency (%)	Residual oil; saturation (%)	Capillary; number
2-1	1.00	5.3		2.15	65.4	25.5
2-2	1.00	5.3		2.72	74.9	18.8