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High mud density and pump load, the adjacent well meet continuous problems due to the competitor’s PDM failure, and customer ask for long life time PDM that at least 300 hours.
DeepFast recommend low-pressure MSS6757845-II PDM
Satisfied customer‘s requirements, compared with conventional PDM, the pressure consumption was reduced by 2MPa, the output speed was stable, continuous working time was 417.66 hours, the footage was 2128m, and the ROP reached 9.56m/h
| No | WELL No | TYPE | M.W. g/cm3 | Interval/m | FTG/m | Circu. Time/h | Drilling Time/h | ROP m/h | Remarks |
| 1 | WY26-4HF | High temperature oil-based | 2.14 | 3306-5236 | 1903 | 279.48 | 159.72 | 11.91 | The fastest ROP |
| 2 | WY26-3HF | High temperature oil-based | 2.15 | 3312-5440 | 2128 | 417.66 | 222.54 | 9.56 | The longest working time |
