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ZJ30 Skid-Mounted Drilling Rigs(Drilling depth: 3,000 meters)
ZJ30 skid-mounted drilling rig is suitable for drilling wells in the depth lower than 3000m. It can work in different sort of environments like shallow sea areas, beaches, desert and cold areas.
Categories Drilling Rigs, Skid Mounted Rig
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Products Description
Application
ZJ30 skid-mounted drilling rig is suitable for drilling wells in the depth lower than 3000m. It can work in different sort of environments like shallow sea areas, beaches, desert and cold areas.
Features
- Modular Skid-Mounted: The drilling rig adopts a highly modular design, dividing the equipment into multiple skids such as the main skid, pump set, and base, allowing for quick installation, disassembly, and convenient relocation.
- Multiple Drive Types: Depending on different needs, the ZJ30 drilling rig mainly offers two drive types: mechanical drive (diesel engine + hydraulic coupling/torque converter + chain-driven parallel gearbox) and electric drive (AC variable frequency motor). The AC variable frequency electric drive drilling rig offers higher automation, better speed regulation, and can achieve automatic drilling with constant drilling pressure.
- Derrick and Base: The derrick typically adopts a K-type (front-opening) structure, low-position installation, and integral lifting and lowering, ensuring high safety. The drilling platform base comes in various forms, including box-type and rotary-lift type, providing a spacious and flat drilling surface.
- Braking System: The main brake can be equipped with a hydraulic disc brake, enabling remote operation, greatly improving the driller’s working conditions, and providing a foundation for automated drilling; the auxiliary brakes mostly use electromagnetic eddy current brakes or pneumatically controlled water-cooled disc brakes to ensure safety during heavy-load drilling.
- Fully equipped: It can be equipped with complete solids control systems, well control systems, high-pressure manifolds, power generation rooms and other supporting facilities to meet the drilling process requirements of different customers.
Technical Parameters
| Model | ZJ30 |
| Nominal drilling depth | 3000m (drill rod:114mm) |
| 2500m (drill rod:127mm) | |
| Maximum hook load | 1700kN |
| Rope system of travelling system | 5×6; Successively twined |
| Rated power of drawworks | 560kW |
| Gear number of drawworks | 4 forward+2 reverse |
| Diameter of drilling wire rope | Φ29mm |
| Opening diameter of rotary table | 520.7mm (20 1/2″) |
| Gear number of rotary table | 4 forward +2 reverse |
| Drilling pump quantity and power | 1×1300hp pump |
| Substructure | Box-on-box type |
| Substructure height and clearance height under rotary table beam | 5.5m; 4.5m |
| Derrick shape and effective height | K-shaped; 41m |
| Transmission mode | Hydraulic transmission and compound chain transmission |
| Main diesel engine quantity and power | 2×810kW |
| Auxiliary generator set quantity and power | 2×400kW |
| High pressure mud manifold | Φ103mm (drift diameter)×35MPa |
| Effective volume of solid control system | 245m3 |




