Table 3 SOM results of star-plot facies mapping showing the mean values of each log type along with associated cluster/facies no.
Cluster/facies no | No. of data values | GR (API) | DEN (g/cm3) | CNL (dec) | AC (us/ft) | log (ILD) | Lithofacies Interpretation |
|---|---|---|---|---|---|---|---|
Mean | Mean | Mean | Mean | Mean | |||
Facies 1 | 677 | 53.791 | 2.6874 | 0.06766 | 50.653 | 2.5763 | Tight gas |
Facies 3 | 300 | 143.16 | 1.9344 | 0.56231 | 96.742 | 2.4601 | Coal |
Facies 3 | 1440 | 89.939 | 2.5141 | 0.20909 | 70.83 | 1.4985 | Shale intercalations |