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Top Drive Drilling Equipment (DQ70BSD)

Top Drive Drilling Equipment (DQ70BSD)

Top Drive Drilling Equipment (DQ70BSD)

DQ70BSD Specifications

Drive ModeAC VFD
Nominal Drilling Depth7,000m
(114mm drill pipe)
22,966ft
(4 1/2 drill pipe)
(API8A/8C PSL 1)
Rated Load Capacities
4,500kN500ton(US)
Power Supply600VAC/50Hz(60Hz)
Main Motor Rated Power
(continuous)
368kW x 2500HP x 2
Rotary Speed0~200r/min
Drilling Torque
(continuous)
60kN . m44,300lbf . ft
Maximum Torque of Break-Out90kN . m66,400lbf . ft
Backup Tong Range87~220 mm2 7/8~6 5/8 in
(drill pipe)
Hydraulic System Working Pressure16 MPa2,280 psi
Mud Criculating Diameter75 mm3 in
Rated Criculating Pressure52 Mpa7,540 psi
Main Body Working Height6.4 m21 ft
Main Body Width1,778 mm5.83 ft
Distance of Guide Rail to the Center of Well930 mm3.05 ft

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