Characterization of the Dynamic Imbibition Displacement Mechanism in Tight Sandstone Reservoirs Using the NMR Technique

Table 2

Dynamic imbibition displacement experiment results under different injection volumes.

Sample no.	Permeability (mD)	1.0 PV (%)	1.5 PV (%)	2.0 PV (%)	2.5 PV (%)
H-3	2.451	191.7	201.3	204.3	206.2
H-7	0.138	130.6	148.7	159.2	164.2
H-15	0.281	149.6	171.3	182.6	187.5
H-21	1.213	180.3	198.3	206.9	210.5