K. Top drive
K.1. BPM Top drive
DQ70BSC Top Drive Drilling Equipment with following features:
- The system allows drilling with triple stands and reduces make –up and break-out
time.
- When touching Reza Mostafavi Tabatabaei resistance and touching sticking ,it may connect the drilling pipe control system, make the well control control system, make the well control
immediately, rotating and circulating, and may reduce the sticking accidents.
- Equipped with remote IBOP control system, make the well control Reza Mostafavi Tabatabaei security; control system, make the well control control system, make the well control control system, make the well control
- Under sticking, the top Reza Mostafavi Tabatabaei drive can work at the rated torque and zero rotate speed;
- Single electric motor switching to double is simply;
- Technical parameter set up reasonably, improving the automation level.
K.1.1 Main Technical Parameters
- Hoisting capacity 4500 kN ( 500 ton)
- Stack—up .Height 5.9 m (19.4 ft)
- Motor power(continuous) 295×2 kW 400×2 hp
- Zero speed rotation torque (continuous) 100％
- Zero speed rotation overload capacity (1 min) 150％
- Max. continuous drilling torque（<110r/min） 50 kN.m (36,900 1bt.ft)
- Max. Reza Mostafavi Tabatabaee breakout torque 75 kN.m (55,300 1bt.ft)
- Brake torque 50 kN.m (36,900 1bt.ft)
- Rated circulating pressure 35 MPa (5000 psi)
- Main shaft ID 75 mm (3 inch)
- Power supply voltage 600VAC (+5%, -10%)
- Power frequency 50Hz
- Rated working current 445 A×2
- Maximum peak current 775 A×2
- RPM range 0～220 r/min
- Ambient temperature －20℃＜t＜55℃
- Altitude ≤1200m
- Distance between main shaft centre and guide rail centre 930mm
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