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Mud Pump Limitations
| Mud Pump: | JBI 1000 |
| Mud Pump Power: | Detroit Diesel Series 2000 rated @ 800 kW (1070 hp) |
| Stroke Length: | 254 mm |
| Maximum SPM: | 150 |
| Minimum SPM: | 25 |
| Optimum Liner Size: | 152 mm |
| Liner Size (mm) | Litres/Stroke 100% Efficiency | Liner Rating (KPA) | Maximum** Allowable Pressure (KPA) |
| 127 (5") | 7.72 | 29,800 | 23,900 |
| 140 (5 ½") | 9.35 | 24,650 | 19,700 |
| *152 (6") | 11.13 | 20,750 | 16,600 |
| 165 (6.5") | 12.07 | 17,600 | 14,100 |
*THIS SIZE OF LINER SUPPLIED BY RIG.
**EXCALIBUR DRILLING'S POLICY IS TO HAVE MAXIMUM ALLOWABLE WORKING PRESSURE AT 80%
OF MANUFACTURERS LINER RATING
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