Research Article
Permeability Calculation of Sand Conglomerate Reservoirs Based on Nuclear Magnetic Resonance (NMR)
Table 5
Comparison of permeability computed using the IFU and classic models.
| Sample ID | Model-computed permeability and relative error | IFU | Coates model 1 | Coates model 2 | SDR model 1 | SDR model 2 | Permeability (10-15 m2) | Relative error (%) | Permeability (10-15 m2) | Relative error (%) | Permeability (10-15 m2) | Relative error (%) | Permeability (10-15 m2) | Relative error (%) | Permeability (10-15 m2) | Relative error (%) |
| B64-3 | 0.1189 | 35.03 | 0.0633 | 65.41 | 0.0585 | 68.03 | 0.1363 | 25.52 | 0.1209 | 33.93 | B64-38 | 0.3136 | 43.09 | 1.6004 | 190.45 | 1.6687 | 202.85 | 2.0276 | 267.99 | 1.1400 | 106.90 | M101-2-2 | 0.0403 | 18.53 | 0.0461 | 35.59 | 0.0194 | 42.94 | 0.0224 | 34.12 | 0.0219 | 35.59 | M5-6 | 0.0049 | 9.26 | 0.0327 | 505.56 | 0.0049 | 9.26 | 0.0418 | 674.07 | 0.0121 | 124.07 | B64-33 | 2.5713 | 15.86 | 1.8887 | 38.20 | 0.8159 | 73.30 | 0.3773 | 87.65 | 0.2266 | 92.59 | B64-42 | 0.2651 | 27.96 | 0.4153 | 12.85 | 0.0575 | 84.38 | 0.1210 | 67.12 | 0.0345 | 90.63 | B64-29 | 0.0278 | 15.76 | 0.0859 | 160.30 | 0.1081 | 227.58 | 0.1616 | 389.70 | 0.1825 | 453.03 | B65-8 | 0.2664 | 18.53 | 0.0796 | 75.66 | 0.0529 | 83.82 | 0.1348 | 58.78 | 0.0957 | 70.73 | M5-1 | 0.3052 | 24.27 | 0.1105 | 72.58 | 0.0147 | 96.35 | 0.3512 | 12.85 | 0.0454 | 88.73 |
|
|