Research Article
Representative Elementary Volume of Rock Using X-Ray Microcomputed Tomography: A New Statistical Approach
Table 5
Influence of threshold value on REV, standard deviation technique. Associated equations are listed in Table
4.
| | Porous medium | Threshold (% porosity) | REV (mm3) from data curve | REV (mm3) from fitting equation |
| | Glass bead pack | 0.5 | 0.3 | 0.40 | | Sand pack | 0.5 | 4.85 | 7.40 | | Bentheimer | 0.5 | 4.3 | 10.40 | | St. Bees sandstone | 0.5 | 5.1 | >6 | | Mt. Gambier carbonate | 0.5 | >10.5 | >10.5 | | Glass bead pack | 1 | 0.07 | 0.05 | | Sand pack | 1 | 2.85 | 3.10 | | Bentheimer | 1 | 2.3 | 2.00 | | St. Bees sandstone | 1 | 2.1 | 1.60 | | Mt. Gambier carbonate | 1 | >10.5 | >10.5 | | Glass bead pack | 2 | 0.05 | 0.05 | | Sand pack | 2 | 0.8 | 1.13 | | Bentheimer | 2 | 0.45 | 0.29 | | St. Bees sandstone | 2 | 0.15 | 0.32 | | Mt. Gambier carbonate | 2 | 4.1 | 7.50 |
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