Jining Donghong Machinery Co., Ltd
Quality supplier of drilling rig parts for Bomco,Lanzhou LS, Honghua, Sj petro, Rg Petro, Beijing BPM, Shenkai, Kingdream, CCDC
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ZJ70/4500D DC electric drive drilling rig

Issuing time:2018-04-26 10:22
Rig ModelZJ70/4500D

Nominal Drilling  

Depth, m

127mm(5" )Drill Pipe4000-6000
114mm(41/2" )Drill Pipe5000-7000
Max. Hook Load, kN4500
Hook Speed, m/s0-1.51
Line of Hoisting System12
Drilling Line Diameter, mm38
Max. Pull of Fast Line, kN487
Power Rating, kW1470
Main BrakeHydraulic Disc Brake
Auxiliary BrakeElectro-magnetic Eddy  Currert or Pnenumatic water Cooling Ang Disc Brake
Crown BlockTC450
Traveling BlockYC450
Sheave OD of Hoisting System, mm (in)1524
SwivelStem Dia.mm75
Rotary TableOpeningmm952.5
Shift I or II, Stepless
Drive ModeIndependent Electric Drive or Compound Drive
Height, m45
Max. Load, kN4500
Monkey Board Height, m24.5,25.5,26.5
SubstructureTypeSwing-lift or Sling-shot
Floor Height, m9 10.5
Clear Height,7.6 9
Mud PumpModel x NumberF1600x3
Drive ModeDC
High Pressure LinesØ103( Bore Dia.)x35MPa
Electric Drive ModeAC-SCR-DC, One-to-One or One-to-Two