JC50DB-C AC Drawworks
Because the JC50DBS integrates dual 600 kW AC motors with an automated driller system, this drawworks delivers precise WOB control in 5,000m-class drilling, reducing drilling time per well by 15% through optimized penetration rates. With a 5,000 kN rated hook load and API-certified gearbox architecture, the unit eliminates mechanical downtime in extreme thermal environments, cutting operational maintenance costs by 20% compared to legacy DC-driven systems.
Technical Specifications
| Models | JC40LDB, JC50LDB, JC50D, JC50DBS, JC70LDB, JC70D, JC70DBS, JC90D, JC90DBS |
|---|---|
| Rating | Up to 4,500 HP (3,360 kW) |
| Main Motor | 2×600 kW AC (AC drive) |
| Rated Hook Load | Up to 5,000 kN |
| Configuration | Gearbox + Auto Driller |
| Weight | ~46-48 t |
Available Configurations
- Automatic Driller System included
- Compatible with Eddy Current Brake
- Proven in Russian and Middle Eastern markets
Frequently Asked Questions
What specific rig classifications are compatible with the JC50DBS model?▾
The JC50DBS is a flagship 1,500 HP AC drawworks specifically engineered for 5,000m-class drilling rigs. It is optimized to deliver a 5,000 kN rated hook load, ensuring it meets the heavy-duty requirements of standard deep-well operations.
Can the JC50DB-C series be integrated with existing automated drilling control systems?▾
Yes, our drawworks come standard with an integrated automatic driller system. This built-in solution enhances drilling efficiency and precision, allowing for seamless integration into your rig's existing automated control architecture.
How do these drawworks perform in extreme climate conditions like those in the Middle East or Russia?▾
Our JC series has an extensive track record of proven reliability in both the Russian and Middle Eastern markets. The equipment is designed to handle the high-load demands and thermal challenges typical of these regions, ensuring maximum uptime.
Does the system support auxiliary braking technologies?▾
Absolutely; the JC50DB-C series is fully compatible with Eddy Current Brakes. This integration provides superior control and safety during high-speed tripping and heavy-load lowering operations.
What is the total motor configuration for the AC drive system?▾
The system utilizes a dual 600 kW AC motor configuration. This setup provides high torque and consistent power delivery, which is essential for modern AC-drive drilling rig efficiency.
How does the gear-driven configuration benefit my drilling operations?▾
Our integrated gearbox configuration minimizes mechanical complexity and improves power transmission efficiency compared to belt-driven systems. This results in a more compact footprint and significantly lower maintenance requirements over the life of the drawworks.
What is the weight of the unit, and how will it affect rig portability?▾
The unit weighs approximately 46 to 48 tonnes. This mass is optimized to provide the structural rigidity required for a 5,000 kN rated hook load while remaining within standard parameters for rig modularization and transport.
Is the JC series versatile enough to cover my entire fleet of ZJ40 through ZJ90 rigs?▾
Yes, our product range covers the full spectrum from ZJ40 to ZJ90 rigs. Whether you require a model from the JC40LDB series or the heavy-duty JC90DBS, we provide a standardized, high-performance solution for your entire fleet.
What is the maximum power capacity available within this product line?▾
Our series offers high-capacity power solutions with ratings reaching up to 4,500 HP (3,360 kW). This ensures that even your most demanding deep-drilling applications are supported by robust and reliable power.
Are these drawworks capable of being retrofitted for both AC and DC drive systems?▾
We offer full flexibility by providing both AC and DC drive options across the JC series. This allows you to standardize your procurement based on your rig’s existing power infrastructure while benefiting from our unified design and support.