Numerical Simulation of Residual Oil Flooded by Polymer Solution in Microchannels

Table 1

Advancing and receding contact angle (viscosity ratio).

Wetting angle	Viscosity ratio ()
	2	1	0.5	0.25	0.125
Advancing angle θa (°)	93.68	99.25	106.70	113.08	121.29
Receding angle θr (°)	31.77	28.77	25.58	22.51	18.95