• Product class: Products Petroleum Drilling Equipment Skid-mounted Drilling Rigs
  • ZJ70D rig adopts advanced SCR drive technology, 4 units of 1310 kw diesel generator set as the main power, the 50 hz, 600 v alternating current (ac) after ark of SCR rectifier into a 0-750 - v dc, respectively, driving power for the winch, rotary table and mud pump series dc motor; Winch driven by two motor; Rotary table by 1 electric motor driven by independent; Three sets of mud pump driven by two motor. Winch main brake for the hydraulic disc brake, auxiliary brake for DSW70 water-cooled electromagnetic brake. Before shedding derrick, screw type or double l type base. Using the winch lifting power. 

    Technical parameters: 

     Nominal drilling depth
     5″drill pipe 4000~6000 m  
     4 1/2″drill pipe 4500~7000 m
     Maximum hook load
     Winch maximum input power
     Spotting hoist gears
     4+4R  continuously variable transmission
     Mud pump model and total power
     Rotary table model and opening diameter
     ZP375; 952.5mm
     Diesel generating set and output power
     Motor power and set
     DC motor 800kW×7

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