RT 70/4500D Drilling Rig
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AC-SCR-DC, one to two, digital electric control system; Drawworks, rotary table and mud pump can realize smooth speed change to provide good operation character, start smooth and steady, high efficiency, and distribute load automatically.
Drilling rig model: RT70/4500D
Nominal drilling depth: 5in DP 4000-6000m;4 1/2inDP: 4500-7000m
Max.hook load: 4500Kn
Line strung of hoisting load system: 6x7
Wrie line dia.: Ф38mm
Max pull of fastline: 485Kn
Max input power of drawworks: 1470kw
Drawworks speeds: 4F+4R smooth change
Primary brake: Hydraulic disc brake
Aux. brake: Eddy brake
Drum size(D×L): Ф770x1285mm
Hook hoisting speed: 0-1.58m/s
Opening of rotary table: 952.5mm
Rotary table speeds: 2F+2R smooth change
Rated input power of rotary table: 400Kw
Max. static load of rotary table: 5850Kn
Max.torque of rotary talbe: 32362N.m
Rotary talbe speed: 0-225 Smooth change
Mast type: K type
Mast effective height: 45m
Height of monkey board: 24.5,25,5,26,5 m
Monkey board capacity(4"DP): 7000 m
Substructure type: Slingshot up
Drill floor height: 10.5m
Drill floor area(L×W): 13.5x12m
Clear height under rotary beam:9.12 m
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