DQ40BC

DQ40BC Specifications

Drive Mode AC VFD
Nominal Drilling Depth 4,000m
(114mm drill pipe)		 13,123 ft
(4 1/2 drill pipe)
(API8A/8C PSL 1)
Rated Load Capacities		 2,250kN 250ton(US)
Power Supply 600VAC/50Hz(60Hz)
Main Motor Rated Power
(continuous)		 368kW x 2 500HP x 2
Rotary Speed 0-180r/min
Drilling Torque
(continuous)		 40kN . m 29,500lbf . ft
Maximum Torque of Break-Out 60kN . m 44,300lbf . ft
Backup Tong Range 87-220 mm 2 7/8-6 5/8 in
(drill pipe)
Hydraulic System Working Pressure 16 MPa 2,280 psi
Mud Criculating Diameter 75 mm 3 in
Rated Criculating Pressure 35 Mpa 5,000 psi
Main Body Working Height 5.9 m 19.4 ft
Main Body Width 1,537 mm 5.04 ft
Distance of Guide Rail to the Center of Well Vertical: 622 mm 2.04 ft
Horizontal: 467mm 1.53 ft

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