DQ90BSC

DQ90BSC Specifications

Drive Mode AC VFD
Nominal Drilling Depth 9,000m
(114mm drill pipe)		 29,528ft
(4 1/2 drill pipe)
(API8A/8C PSL 1)
Rated Load Capacities		 6,750kN 750ton(US)
Power Supply 600VAC/50Hz(60Hz)
Main Motor Rated Power
(continuous)		 368kW x 2 500HP x 2
Rotary Speed 0-200r/min
Drilling Torque
(continuous)		 70kN . m 51,600lbf . ft
Maximum Torque of Break-Out 110kN . m 81,100lbf . 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 89 mm 3 1/2 in
Rated Criculating Pressure 52 Mpa 7,540 psi
Main Body Working Height 6.5 m 21.3 ft
Main Body Width 1,778 mm 5.83 ft
Distance of Guide Rail to the Center of Well 960 mm 3.15 ft

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