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DC Electric Drilling Rig
DC Electric Drilling Rig
Supplier Info
[China Supplier]
Contact Person : Mr. Yao Steven
Tel : 86-917-3266963
Fax : 86-917-3266953
Product Detail
DC Electric Drilling Rig 1. ZJ40~ZJ70 RIG 2.conform to the API specification 3.Adopting advanced AC-SCR-DC technology DC Electric Drilling Rig Technical characteristics*Adopting advanced AC-SCR-DC technology;*Both swing lift and sling-shot parallel-integrated substructures with 9m and 10.5m floor height are optional. All parts on rig floor and mast are installed on ground and raised with drawworks power;*Main brake of drawworks can be hydraulic disc brake or band brake;*Rotary table is driven by drawworks power through compound drive or by an independent motor. In addition, emergency device is provided to drive rotary table via drawworks one in emergency for reliable drilling operations;*Logic control, supervision and maintenance during complete drilling operations are available by PLC processes. The drilling data can be stored, printed and remote transmitted. All operations by driller can be completed in the cabin for better working conditions and less working strength;*Top drive drilling system can be equipped;*Integrated skid rail may be provided to meet requirements for cluster well drilling. Technical parameters 
Drilling rig modelZJ40/2250 DZJ50/3150 DZJ70/4500D
Nominal drilling depth, m114mm(4½") drill pipe2500-40003500-50004500-7000
127mm(5") drill pipe2000-32002800-45004000-6000
Max. hook load, kN(t)225031504500
Hook speed, m/s0-1.440.21-1.390.21-1.36/0.25-1.91
Line strung of hoisting system101212
Drill line diameter, mm323538
Max. pull of fast line, kN280350485
Power rating, kW(HP)73511001470
Main brakeHydraulic disc brake
Auxiliary brakeEddy or pneumatic air cooled disk brake
Crown blockTC225TC315TC450
Traveling blockYC225YC315YC450
Sheave OD of hoisting system, mm(in)112012701524
Stem dia., mm757575
Rotary tableTable opening, mm(in)698.5952.5952.5
SpeedI or  II, smooth change
Drive modeIndependent electric drive or compound drive
Height, m4345
Max. load, kN225031504500
Racking board height, m24.5,25.5,26.5
SubstructureTypeSwing lift or sling-shot
Floor height, m7.59910.5
Clear height, m4.87.67.69
Mud pumpModel × numberF-1300×2F-1600×2F-1600×3
Drive modeDC electric
Electric drive modeAC-SCR-DC, one for one or one for two control

DC Electric Drilling Rig

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