Flow Unit Model of Channel Sand Body and Its Effect on Remnant Oil Distribution: A Case Study of PI Formation in the Eastern Transition Zone of Daqing Oilfield

Table 7

Geological parameters of different flow units.

Channel type	Flow unit	(%)	(10^-3 μm^2)	50 (μm)
Point bar	Strong-current limiting	25.79/23.8-28.6	297.9/48.2-539	1.99/0.26-3.06
	Medium-current limiting	26.47/23.8-28.1	297.4/48.2-425	1.98/0.26-2.87
	Weak-current limiting	25.57/27.3-28.6	298.12/58-539	2.00/1.65-3.06
	None-current limiting	27.26/21.6-30.3	1221/114-3569	9.41/0.67-29.98
Narrow channel	Unshielded	26.23/22.3-28.6	138.61/13.4-483	0.86/0.06-3.3