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Beijing Petroleum|BPM Top Drive DQ40Y

Basic parameters
Nominal drilling depth4 000 m ( 114 mm drill pipe)
Maximum load2 250 kN ( 250 ton ), API Spec 8A/8C
Drilling parameters
range of rotation0 ~180 r/min
Back clamp clamping range87 ~ 200 mm
Working Torque (Continuous)30 kN.m
Maximum Shackle Torque45 kN.m
Hydraulic system parameters
Power supply380 VAC / 50 Hz
Maximum power400 kW (544 HP)
Main hydraulic system pressure35 MPa
Auxiliary hydraulic system pressure16 MPa


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