Table 1 Test results and error analysis for routine core analysis, oil property and NMR.
From: Measurement and Visualization of Tight Rock Exposed to CO2 Using NMR Relaxometry and MRI
Item | Test 1 | Test 2 | Test 3 | Test 4 | Test 5 | AM | RAD (%) | RSD (%) |
|---|---|---|---|---|---|---|---|---|
Permeability of Core 1 (mD) | 0.2179 | 0.2131 | 0.2164 | 0.2211 | 0.2215 | 0.2180 | 1.21 | 1.60 |
Porosity of Core 1 (%) | 9.5 | 9.5 | 9.4 | 9.6 | 9.5 | 9.5 | 0.42 | 0.74 |
Permeability of Core 2 (mD) | 0.6022 | 0.6095 | 0.5988 | 0.5908 | 0.5911 | 0.5997 | 1.09 | 1.56 |
Porosity of Core 2 (%) | 12.1 | 12.2 | 12.2 | 12.1 | 12.3 | 12.2 | 0.53 | 0.69 |
Permeability of Core 3 (mD) | 0.6095 | 0.5988 | 0.6112 | 0.5963 | 0.5923 | 0.6038 | 1.23 | 1.75 |
Porosity of Core 3 (%) | 12.3 | 12.4 | 12.2 | 12.3 | 12.5 | 12.3 | 0.71 | 0.92 |
Oil Density at 40 °C (g/cm3) | 0.8049 | 0.8052 | 0.8050 | 0.8051 | 0.8048 | 0.8050 | 0.01 | 0.02 |
Oil Viscosity at 40 °C (mPa·s) | 5.49 | 5.48 | 5.51 | 5.5 | 5.52 | 5.50 | 0.22 | 0.29 |
NMR Signal of Core 1 (Peak Area) | 146016 | 146352 | 146517 | 147332 | 145980 | 145905 | 0.27 | 0.38 |
NMR Signal of Core 2 (Peak Area) | 173188 | 173529 | 172647 | 171538 | 174107 | 173002 | 0.42 | 0.56 |
NMR Signal of Core 3 (Peak Area) | 199488 | 199678 | 198269 | 199340 | 197295 | 198814 | 0.42 | 0.51 |
