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Electric Drilling Dig Nominated Drilling Depth 1600~3000 m Max.Hook Load 1800 KN
Description of Electric Drilling Dig Nominated Drilling Depth 1600~3000 m Max.Hook Load 1800 KN:
DC: The winch is driven by a three-axis chain. It is geared with a pneumatic clutch, four positive and one reversed, easy to operate, equipped with hydraulic disc brakes and eddy current brakes.
DB: The winch is designed as a single-axis gearbox structure with stepless speed regulation, simple transmission structure, less mechanical maintenance workload, energy consumption braking and hydraulic disc brakes and automatic feeding through the main motor.
Specifications:
| Model | ZJ30/1800 | ZJ40/2250 | ZJ50/3150 | ZJ70/4500 | ZJ90/7650 | |
| Nominated Drilling Depth | m | 1600~3000 | 2500~4000 | 3500~5000 | 4500~7000 | 6000~9000 |
| Max.Hook Load | KN | 1800 | 2250 | 3150 | 4500 | 6750 |
| No.of Wirelines | 10 | 10 | 12 | 12 | 14 | |
| Wirelines Diameter | mm | 32(1-1/4'') | 32(1-1/4'') | 35(1-3/8'') | 35(1-1/2'') | 45(1-5/8'') |
| Drawworks Input Power | HP | 750 | 1000 | 1500 | 2000 | 3000 |
| Opening Diameter of Rotary Table |
in | 20-1/2'' | 20-1/2'' 27-1/2'' |
27-1/2'' 37-1/2'' |
37-1/2'' | 49-1/2'' |
| Mast Height | m(ft) | 39(128) | 43(142) | 45(147) | 45(147) | 46(152) |
| Substructure Height | m(ft) | 6(20) | 7.5(25) | 9(30) | 9(30) 10.5(35) |
10.5(35) 12(40) |
| Clear Height of Substructure |
m(ft) | 4.9(16) | 6.26(20.5) | 8.92(29.3) | 7.42(24.5) 892(29.3) |
8.7(28.5) 10(33) |
| Mud Pump Power | 2×800HP | 2×1000HP | 2×1600HP | 3×1600HP | 3×2200HP | |
| Diesel Engine Power | 2×1555HP | 3×1555HP | 3×1555HP | 4×1555HP | 5×1555HP | |
| Main Brake Model | Hydraulic Disc Brake | |||||
| Drawworks Shifts | DB:Stepless Speed DC:4 Forward +1 Reverse | |||||