Table A2. Summary of Empirical Correlation Input Parameters and Some of the Parameter Ranges for Gilbert, Baxendell, Ros, and Achong Correlations14,16,18,20.
| correlation | no. of data points | input parameters | parameter range |
|---|---|---|---|
| Gilbert | 260 | GLR, Pwh, and D64 | D64 = 6/64 to 18/64 in. |
| Baxendell | GLR, Pwh, and D64 | ||
| Ros | GLR, Pwh, and D64 | Maracaibo field (Venezuela) | |
| Achon | 104 | GLR, Pwh, and D64 | D = 1/2 – 4 in. |