| AV | Apparent viscosity (cP) |
| PV | Plastic viscosity (cP) |
| YP | Yield point (1b/100 ft2) |
| R300 | Dial reading at 300 revolutions per minute (deg) |
| R600 | Dial reading at 600 revolutions per minute (deg) |
| MFV | Marsh funnel time (s) |
| MWT | Mud weight (pcf) |
| AAPE | Average absolute percentage error |
| R | Correlation coefficient |
| n | Flow behavior index |
| cP | Centipoise |
| Pa.s | Pascal.second |
| rpm | Revolution Per Min |
| lb | Pound mass |
| AI | Artificial Intelligence |
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