Beijing Petroleum|BPM Top Drive DQ70BSE
Basic parameters Nominal drilling depth 7 000 m( 114 mm drill pipe) Maximum load 4 500 kN ( 500 ton ), API Spec 8A/8C Power supply 600 VAC /50 Hz (optional 60Hz) Rated current 445Ax 2 Maximum current 770A x 2 Drilling parameters range of rotation 0 〜220 r/min Back clamp clamping range 87 ~ 220 …
