2019-04-02
Item | Unit | SNR400 | SNR400Mini | SNR400S | SNR400SL |
Max drilling depth | m | 400 | 400 | 400 | 400 |
Drilling diameter | mm | 105-305 | 105-325 | 105-325 | 105-325 |
Air pressure | Mpa | 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 |
Rod length | m | 3 | 3 | 6 | 6 |
Rod diameter | mm | 89/102 | 89/102 | 89/102 | 89/102 |
Main shaft pressure | T | 6 | 4 | 4 | 4 |
Lifting force | T | 18 | 18 | 18 | 18 |
Fast lifting speed | m/min | 20 | 23 | 23 | 23 |
Fast forwarding speed | m/min | 32 | 45 | 45 | 45 |
Max rotary torque | N.m | 7000/3500 | 7000/3500 | 7000/3500 | 7000/3500 |
Max rotary speed | r/min | 75/150 | 75/150 | 75/150 | 75/150 |
Big secondary winch lifting force | T | - | - | - | - |
Small secondary winch lifting force | T | 1.5 | 1.5 | 1.5 | 1.5 |
Jacks stroke | m | 1.6 | 1.3 | 1.6 | Low jack |
Drilling efficiency | m/h | 10-35 | 10-35 | 10-35 | 10-35 |
Moving speed | Km/h | 3 | 3 | 3 | 5 |
Uphill angle | ° | 21 | 21 | 21 | 21 |
Weight of the rig | T | 9.98 | 8 | 11/10.5 | 10.5 |
Dimension | m | 6.4*2.08*2.55 | 4*1.6*2.15 |
5.6*2.08*2.55 5.6*1.85*2.55 |
6.4*2.08*2.8 |
Working condition | Unconsolidated formation and Bedrock | ||||
Drilling method | Top drive hydraulic rotary and pushing, hammer or mud drilling | ||||
Suitable hammer | Medium and high air pressure series | ||||
Optional accessories | Mud pump, Gentrifugal pump, Generator, Foam pump |