Effect of Dynamic Imbibition on the Development of Ultralow Permeability Reservoir

Table 1

Basic parameters of testing cores.

Sample	Permeability (mD)	Porosity (%)	Wettability
7042-08	0.61	12.17	Weak water-wet
7042-07	0.69	11.8	Weak water-wet
7042-06	0.7	12.07	Weak water-wet
7042-03 (with fracture)	0.7	12.2	Weak water-wet
5-1	0.32	11.96	Oil-wet
5-2	0.52	12.07	Oil-wet
5-3	0.52	11.08	Oil-wet
2-5-2	0.31	12.31	Weak water-wet
2-12 (with fracture)	0.25	10.01	Weak water-wet
2-2	0.3	11.77	Weak water-wet
2-1	0.21	10.1	Weak water-wet
2-3	1.52	11	Weak water-wet
2-4	8.16	16.1	Weak water-wet