Basic parameters |
|
Nominal drilling depth | 4 000 m (114 mm drill pipe) |
Maximum load | 2 250 kN ( 250 ton ), API Spec 8A/8C |
Power supply | 600 VAC /50 Hz (optional 60Hz) |
Rated current | 445 A |
high current | 770 A |
Drilling parameters |
|
range of rotation | 0 〜180 r/min |
Back clamp clamping range | 87 ~ 200 mm |
Working Torque (Continuous) | 30 kN.m ( 0 ~ 90 r/min ) |
Maximum shackle torque (1min) | 45 kN.m |
Motor parameters |
|
rated power | 295 kW (400 HP),continuous |
Anti-vibration | 6g |