Table 4 Different types of pore volume proportion table.
From: Mineral composition and pore structure on spontaneous imbibition in tight sandstone reservoirs
Sample ID | Imbibition Time/h | Different types of pore volume proportion/% | |||||
|---|---|---|---|---|---|---|---|
Water/gas imbibition | Water/oil imbibition | ||||||
Micropores | Mesopores | Macropores | Micropores | Mesopores | Macropores | ||
Y1 | 1 | 18.04 | 81.96 | 0 | 25.63 | 72.54 | 1.83 |
4 | 18.51 | 81.22 | 0.26 | 20.21 | 78.92 | 0.87 | |
8 | 20.73 | 78.87 | 0.4 | 23.98 | 75.42 | 0.6 | |
24 | 19.96 | 79.24 | 0.8 | 21.86 | 77.7 | 0.44 | |
48 | 19.43 | 79.62 | 0.95 | 20.36 | 79.08 | 0.56 | |
96 | 16.78 | 82.43 | 0.79 | 18.96 | 79.6 | 1.45 | |
168 | 17.14 | 81.86 | 1 | 19.04 | 79.45 | 1.52 | |
Y2 | 1 | 10.9 | 88.03 | 1.07 | 16.66 | 77.66 | 5.69 |
4 | 11.19 | 86.68 | 2.12 | 15.52 | 84.48 | 0 | |
8 | 10.74 | 85.63 | 3.63 | 14.98 | 81.54 | 3.48 | |
24 | 12.48 | 86.32 | 1.19 | 16.76 | 80.62 | 2.62 | |
48 | 7.23 | 90.14 | 2.63 | 13.28 | 84.68 | 2.04 | |
96 | 8.1 | 89.72 | 2.15 | 11.04 | 87.17 | 1.79 | |
168 | 6.22 | 90.02 | 3.75 | 11.57 | 85.46 | 2.97 | |
Y3 | 1 | 14.47 | 85.53 | 0 | 17.66 | 82.34 | 0 |
4 | 13.28 | 86.41 | 0.31 | 12.52 | 87.48 | 0 | |
8 | 12.26 | 87.23 | 0.51 | 13.76 | 86.24 | 0 | |
24 | 11.17 | 87.92 | 0.9 | 11.55 | 88.45 | 0 | |
48 | 9.19 | 90.23 | 0.58 | 9.84 | 90 | 0.16 | |
96 | 9.1 | 89.97 | 0.94 | 9.78 | 89.58 | 0.64 | |
168 | 8.12 | 90.28 | 1.6 | 8.32 | 91.21 | 0.47 | |
Y4 | 1 | 1.56 | 79.11 | 19.34 | 0.26 | 82.93 | 16.81 |
4 | 1.59 | 77.45 | 20.96 | 0.5 | 84.88 | 14.61 | |
8 | 1.25 | 79.03 | 19.72 | 0.5 | 84.64 | 14.85 | |
24 | 0.02 | 84.91 | 15.07 | 0.58 | 85.14 | 14.28 | |
48 | 0 | 81.84 | 18.16 | 0.22 | 85.62 | 14.16 | |
96 | 0 | 80.09 | 19.91 | 0.03 | 86.36 | 13.64 | |
168 | 0 | 77.56 | 22.44 | 0.44 | 84.59 | 14.96 | |
