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| Reverse circulation system parameters | |||||
| Technical parameters | Unit | SL650S | SL750S | SL1000/1000S | SL1100 |
| Max drilling depth | M | 650 | 750 | 1000 | 1100 |
| Drilling diameter | mm | 105-450 | 105-450 | 105-800 | 105-800 |
| Air pressure | Mpa | 1.6-6 | 1.6-6 | 1.6-8 | 1.65-8 |
| Air consumption | m³/min | 16-75 | 16-75 | 16-96 | 16-96 |
| Drill pipe length | m | 6 | 6 | 7 | 7 |
| Drill pipe diameter | mm | 89/102 | 89/102 | 114 | 114 |
| Axial pressure | T | 6 | 6 | 8 | 8 |
| Lifting force | T | 38 | 40 | 51/52 | 51 |
| Fast lifting speed | m/min | 28 | 31 | 30 | 30 |
| Fast feeding speed | m/min | 60 | 65 | 61 | 42 |
| Max rotary torque | Nm | 13000/6500 or 15000/7500 | 13000/6500 or 15000/7500 | 26000/13000 | 24000/12000 |
| Max rotary speed | r/min | 95/190 | 95/190 | 70/140 | 70/140 |
| Big auxiliary which lifting force | T | - | - | - | 5 |
| Small auxiliary winch lifting force | T | 2.5 | 2.5 | 2.5 | 2.5 |
| Jacks stroke | m | 1.6 | 1.6 | 1.7 | 1.7 |
| Drilling efficiency | m/h | 10-35 | 10-35 | 10-35 | 10-35 |
| Moving speed | Km/h | 3 | 3 | 5 | 5 |
| Uphill angle | slope | 21° | 21° | 21° | 21° |
| Weight of the rig | T | 13 | 14 | 17.8 | 18.8 |
| Dimension | m | 6.73*2.1*2.75 | 6.64*2.25*2.67 | 7.3*2.25*2.67 | 7.3*2.25*2.75 |
| Engine | / | Cummins 132kw | Weichai 176kw | Cummins 194kw | Cummins 194kw / Weichai 220kw |
| 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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