ZJ50 Skid-Mounted Drilling Rigs
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Application
Including models of ZJ50/3150D and ZJ50/3150L, our ZJ50 series skid-mounted drilling rigs can be used to drill wells with the depth not exceeding 5000m. Based on the practical need of customers, they can work in shallow sea areas, beaches, deserts cold areas, etc.
- ZJ50/3150D
- ZJ50/3150
ZJ50/3150D Skid-Mounted Drilling Rig
Features - Speeds of the drawworks, rotary table and the mud pump can be steplessly regulated independently. This helps optimizes the drilling technology.
- The derrick, substructure and drilling floor equipment can be assembled together in a low position and then integrally hoisted with the power of drawworks.
- Full-digital automatic control technology is adopted to achieve automatic drill bit feeding.
- This ZJ50/3150D skid-mounted drilling rig is equipped with a touch screen used to display, save, control and manage the drilling parameters. With the touch screen, the driller can easily control this drilling machine to keep it working in an optimal state. The touch screen also helps decrease the driller's labor strength as well as enhance his working efficiency.
| Nominal drilling depth | 7000m (drill rod:114mm) | |
| 6000m (drill rod:127mm) | ||
| Maximum hook load | 4500kN | |
| Hoisting rope system | 6×7; Successively twined | |
| Rated power ofdrawworks | 1470kW (2000hp) | |
| Diameter of drilling wire rope | Φ38mm | |
| Opening diameter of rotary table | 952.5mm(37 1/2") | |
| Gear number of rotary table | Steplessspeed regulation | Double gearssteplessspeed regulation |
| Drilling pump quantity and power | 3×1600hp | |
| Gear number ofdrawworks | 4 forward 4 reverse;Steplessspeed regulation | |
| Substructure height and clearance height under rotary table beam | 9m; 7.62m | 10.5m; 8.92m |
| Derrick shape and effective height | K-shape; 45m | |
| Transmission mode | AC-SCR-DC | |
| Main diesel engine quantity and power | 4×1200kW | |
| Auxiliary generator set quantity and power | 1×292kW | |
| Substructure | Slingshot type | Rotary-lifting type |
| High pressure mud manifold | Φ103mm (drift diameter)×35MPa | |
| Effective volume of solid control system | 430m3 | |
| DC motor quantity and power | 9×800kW | |
ZJ50/3150 Skid-Mounted Drilling Rig
Features - Different from the conventional structure of a drilling machine, the rotary table, mud pump and drawworks of our skid-mounted drilling rig have their own driving devices. The rotary table is powered by AC variable frequency motor. Speed and torque of the rotary table and stroke of the mud pump can be adjusted separately according to the practical drilling demand.
- Speed regulation of the rotary table and auto bit deeding function of the drawworks are both controlled through full-digital automatic control technology. The advance technology makes our skid-mounted drilling rig have drilling performance as good as that of a numerically controlled frequency conversion electric drilling machine.
- The driller can control the operation condition of this drilling machine with the touch screen to make the whole machine work with optimized operating parameters. Displaying, saving, adjusting and remote management of the drilling parameters can all be completed through the touch screen. The touch screen contributes to make the driller work with higher efficiency and lower labor strength.
| Nominal drilling depth | 3500-5000m (drill rod:114mm) | |
| 2800-4500m (drill rod:127mm) | ||
| Maximum hook load | 3150kN | |
| Rope system of traveling system | 6×7; Successively twined | |
| Rated power ofdrawworks | 1100kW (1500hp) | |
| Diameter of drilling wire rope | Φ35mm | |
| Opening diameter of rotary table | 952.5mm（37 1/2") | |
| 698.5mm（27 1/2") | ||
| Gear number of rotary table | 1 | 2 |
| Drilling pump quantity and power | 2×1600hp | |
| Rated power ofdrawworks | 4 | 6 |
| Substructure height and clearance height under rotary table beam | 9m; 7.6m | |
| Derrick shape and effective height | K-shape, 44.5m | |
| Transmission mode | Hydraulic transmissionand compound chain transmission AC-VFD-AC | |
| Main generator set quantity and power | 3×810 kW | |
| Auxiliary generator set quantity and power | 3×400kW | |
| Substructure | Block type | |
| High pressure mud manifold | Φ102mm (drift diameter)×35MPa | |
| Effective volume of solid control system | 320m3 | |
| Variable frequency motor quantity and power | 1×600kW 1×45 kW | |
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