Figure 15: Fractured Madison Limestone cluster analysis at threshold
values: (A) 0.35 (A), and (B) 0.60 that correspond to the cluster
valleys found in Figure 14.
Porosities calculated following the workflow and used for the cluster
analysis are shown in Table 3. These porosities are comparable to the
measured gravimetric porosities. Berea Sandstone has a percent error of
8.1%, while Indiana and Madison limestone have percent errors of 14.8%
and 4.2%.
Table 3. Comparison porosities of the cluster calculations performed on
each sample.