Representative Elementary Volume of Rock Using X-Ray Microcomputed Tomography: A New Statistical Approach

Table 9

Influence of threshold value on REV; analysis. Associated equations are shown in Table 8 and associated data in Figure 8.

Porous medium	Threshold (-)	REV (mm^3) from data curve	REV (mm^3) from fitting equation
Glass bead pack	0.025	0.10	0.10
Sand pack	0.025	1.50	1.25
Bentheimer	0.025	1.35	2.25
St. Bees sandstone	0.025	0.85	1.00
Mt. Gambier carbonate	0.025	1.22	1.28
Glass bead pack	0.050	0.10	0.10
Sand pack	0.050	0.85	0.82
Bentheimer	0.050	1.10	0.74
St. Bees sandstone	0.050	0.80	0.72
Mt. Gambier carbonate	0.050	1.10	0.71
Glass bead pack	0.075	0.10	0.10
Sand pack	0.075	0.72	0.65
Bentheimer	0.075	0.92	0.61
St. Bees sandstone	0.075	0.76	0.60
Mt. Gambier carbonate	0.075	0.99	0.56