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 3 Fitting equation and fractal dimension of fractal feature.

Core No. Fitting equation Correlation Fractal dimension No.1(Large pore-throat) $S=69.00{{p}_{\text{c}}}^{-0.36}$ 1.00 2.64 No.1(Small pore-throat) $S=359.57{{p}_{\text{c}}}^{-0.93}$ 0.99 2.07 No.2 $S=122.02p{{_{\text{c}}^{{}}}^{-0.69}}$ 0.95 2.31 No.3 $S=114.40{{p}_{\text{c}}}^{-0.81}$ 0.98 2.19 No.4 $S=40.01{{p}_{\text{c}}}^{-0.52}$ 0.96 2.48