| Criteria | Weighting Material | Reference |
|---|---|---|
| Low pressure drop | Barite | Fig. (1) |
| Improved ECD | Barite | Fig. (1) |
| Improved flow efficiency | Calcium carbonate | Fig. (2) |
| Improved cutting concentration | Calcium carbonate | Fig. (3) |
| Applicable in depleted reservoirs | Calcium carbonate | Fig. (3) |