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Drilling using the top drive DQ70BS for WEATHERFORD
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DQ70YA-JH

 

DQ70YA-JH is a top drive system with hydraulic drive, equipped with motor with a continuous rated power 438 kW ( 595 hp).

Drive type hydraulic
Rated drilling depth, m (114 mm drill pipe) 7 000
Rated load capacities, KN (ton) 4 500 (500)
Power supply, VAC/HZ 380 / 50
Rated power (continuous), kW (hp) 438 ( 595 )
Rotary speed, r / min 0~190
Drilling torque (continuous), kNm 49
Max. torque of break out, kNm 70
Backup tong range, Ø, mm 87~216
Hydraulic system working pressure, MPa 35
Assistant hydraulic system working pressure, MPa 16
Rated pressure of IBOP, MPa 70
Mud circulating diameter, mm 75
Rated circulating pressure, MPa 35
Max. distance between main shaft center and the front end, mm 880
Main body height, m 4.8
Working height, m 5.2
Ambient temperature -45℃ ~ +55℃
Main body weight, t 11
Measurements body height, mm 4800 × 1600 × 1500

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