Research Article
Characterization of Microscopic Pore Structures of Rock Salt through Mercury Injection and Nitrogen Absorption Tests
Table 6
Relationship of throat microgeometrical parameters with porosity and permeability.
| Microgeometrical parameters | Maximum | Minimum | Correlation with porosity | Correlation with permeability |
| Skewness | 1.08 | 0.39 | = 0.831 = 0.382 | = 0.008 = 0.136 | Sorting coefficient | 1.3449 | 0.3023 | = 1.374 = 0.017 | = 0.005 = 0.139 | Variation coefficient | 0.797 | 0.5006 | = 3.462 = 0.166 | = 0.501 = 0.663 | Median pore throat radius (μm) | 1.115 | 0.0086 | = 1.647 = 0.136 | = 0.015 = 0.775 | Median pressure (MPa) | 36.293 | 0.3871 | = 3.552 = 0.739 | = 0.028 = 0.400 | Displacement pressure (MPa) | 0.07176 | 0.0471 | = 3.458 = 0.715 | = 0.022 = 0.837 | Maximum mercury saturation (%) | 96.04 | 71.43 | = 5E − 10 = 0.722 | = 9E − 16 = 0.540 |
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