Effects of microscopic pore structure heterogeneity on the distribution and morphology of remaining oil

Junjian LI,Yang LIU,Yajun GAO,Baoyang CHENG,Fanle MENG,Huaimin XU

Table 2 Main petrophysical properties of the cores.

Num- ber Reservoir type Wettability Poro- sity/% Permeability/10-3 μm2 Diameter/mm Length/ mm No.1 Class I Water wet 21.7 763.3 7.64 50 No.2 Class II Water wet 18.6 445.5 7.48 50 No.3 Class II Water wet 17.9 476.4 7.67 50 No.4 Class III Water wet 13.5 65.7 7.78 50