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Home » Production » The top drive systems SLC-JH » DQ90BS-JH

DQ90BS-JH

DQ90BS-JH is a top drive system with AC variable - frequency controlled drive, equipped with two induction motors with a continuous rated power 2 x 450 kW ( 2 x 600 hp).

Drive type AC VFD
Rated drilling depth, m (114 mm drill pipe) 9000 m
Rated load capacities, KN (ton) 6750
Power supply, VAC/HZ 600 /50
Rated current, A 540 x 2
Maximum current, A 810 x 2
Rated power (continuous), kW (hp) 450 × 2 ( 600 × 2 )
Rotary speed, r/min 0~220
Drilling torque (continuous), kNm 76
Max. torque of break out, kNm 120
Backup tong range, Ø mm 87~230
Hydraulic system working pressure, MPa 16
Rated pressure of IBOP, MPa 70
Mud circulating diameter, mm 89
Rated circulating pressure, MPa 52
Max. distance between main shaft center and the front end, mm 1000
Main body height, m 5.7
Working height, m 6.2
Ambient temperature -45℃ ~ +55℃
Main body weight, t 14
Measurements body height, mm 5700 × 1900 × 1750

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DQ70BSQ-JH

DQ70BSQ-JH

Rated drilling depth, m: 7 000 m

Rated load Capacity, KN: 4 500 KN

Drilling Torque (continuous), KNm: 65 KNm

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