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| Reverse circulation system parameters | ||||||
| Technical parameters | Unit | SL330S | SL400QS | SL400S | SL500S | SL600S |
| Max drilling depth | M | 330 | 400 | 400 | 500 | 600 |
| Drilling diameter | mm | 105-305 | 105-325 | 105-325 | 105-400 | 105-400 |
| Air pressure | Mpa | 1.2-3.5 | 1.2-3.5 | 1.2-3.5 | 1.2-3.5 | 1.2-3.5 |
| Air consumption | m³/min | 16-55 | 16-55 | 16-55 | 16-55 | 16-55 |
| Drill pipe length | m | 6 | 6 | 6 | 6 | 6 |
| Drill pipe diameter | mm | 89 | 89/102 | 89/102 | 89/102 | 89/102 |
| Axial pressure | T | 3 | 4 | 4 | 6 | 6 |
| Lifting force | T | 18 | 22 | 22 | 30 | 35 |
| Fast lifting speed | m/min | 30 | 29 | 29 | 29 | 33 |
| Fast feeding speed | m/min | 60 | 56 | 56 | 48 | 55 |
| Max rotary torque | Nm | 8000/4000 | 8000/4000 | 8000/4000 | 11000/5500 | 12000/6000 |
| Max rotary speed | r/min | 60/120 | 75/150 | 75/150 | 75/150 | 90/180 |
| Big auxiliary which lifting force | T | - | - | - | - | - |
| Small auxiliary winch lifting force | T | 1.5 | 1.5 | 1.5 | 1.5 | 2.5 |
| Jacks stroke | m | 1.45 | 1.6 | 1.6 | 1.6 | 1.6 |
| Drilling efficiency | m/h | 10-35 | 10-35 | 10-35 | 10-35 | 10-35 |
| Moving speed | Km/h | 2.5 | 2.5 | 3.5 | 5 | 6.4 |
| Uphill angle | slope | 21° | 21° | 21° | 21° | 21° |
| Weight of the rig | T | 8.2 | 8.6 | 9.8 | 10.6 | 12.5 |
| Dimension | m | 6.32*1.7*2.39 | 6.25*1.7*2.39 | 6.26*1.85*2.43 | 6.52*1.85*2.51 | 6.73*2.1*2.63 |
| Engine | / | Yuchai Power 91kw | Weichai 103kw | Yuchai Stock 92kw | Yuchai Stock 110kw | 132kw |
| Working condition | Unconsolidated formation and stone head | |||||
| Drilling method | Top drive hydraulic rotary and pushing hammer or mud drilling | |||||
| Matched DTH hammer | Medium and high air pressure series | |||||
| Optional accessories | Mud pump,Centrifugal pump,Generator,foam pump | |||||








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