The workover rig is designed with advanced and reliable drive and transmission systems, ensuring stable performance, high mobility, and efficient well servicing operations. It integrates optimized structural design and hydraulic lifting technology, making it suitable for complex oilfield working environments and frequent relocation conditions.
Drawworks & Drive System
- Advanced and reliable main drive and transmission system
- Available in single-drum or double-drum configurations
- Main brake adopts hydraulic disc brake system for stable and powerful braking
- Equipped with roller brake or water-cooled auxiliary disc brake for enhanced safety and reliability
- Ensures smooth operation under heavy-duty working conditions
Telescopic Mast System
- Dual-section telescopic mast structure
- Hydraulic cylinder lifting and extension for fast and stable operation
- Optimized mast weight and structure for improved load capacity and operational stability
- Ensures reliable performance during frequent relocation and field operations
Rig Floor Design
- Swing-up or vertical lifting rig floor structure available
- Significantly reduces rig-up time and improves operational efficiency
- Integrated ramp and catwalk design for safe and convenient pipe handling
- Compact layout improves transportation efficiency and field adaptability
Truck Chassis Performance
- Designed in compliance with road vehicle regulations for oilfield equipment transport
- Wide field of vision and excellent driving stability
- Flexible steering and fast braking response
- Strong mobility and excellent terrain adaptability for oilfield roads
- High load-carrying capacity for long and heavy equipment transportation
This workover rig combines advanced hydraulic lifting systems, reliable braking technology, and optimized mobile design to deliver efficient, safe, and flexible well servicing operations. It is widely used in oilfield workover, maintenance, and well intervention applications, ensuring strong adaptability across various operating conditions.
Product types and specifications：
Basic Parameters of Series I Truck Mounted Workover Rig
| Grade of Workover Rig | XJ900 | XJ1100 | XJ1350 | XJ1600 | XJ1800 | XJ2250 | |||||
| Range of nominal workover，m | Depth of minor overhaul | 73mm external-thickened tube | 4000 | 5500 | 7000 | 8500 | |||||
| Depth of overhaul | 73mm drill pipe | 3200 | 4500 | 5800 | 7000 | 8000 | 9000 | ||||
| 88.9mm drill pipe | 2500 | 3500 | 4500 | 5500 | 6500 | 7500 | |||||
| 114mm drill pipe | 3600 | 4200 | 5000 | 6000 | |||||||
| Max. hook load, kN | 900 | 1100 | 1350 | 1600 | 1 800 | 2 250 | |||||
| Drawworks | Drawworks type | Single drum/double drums | |||||||||
| Drawworks power, kW | 257-330 | 280-400 | 330-450 | 400-500 | 550 | 735 | |||||
| Drawworks hoisting gears | 5+1R | ||||||||||
| Brake mode | Band/disc brake + Rotor hydromatic brake/ water-cooling disc brake | ||||||||||
| Line strung of traveling system | Drill line strung | 6 | 8 | ||||||||
| Max. line strung | 8 | 8 | 10 | ||||||||
| Dia. of drilling wire rope,mm (in) | 26（1） | 26（1），29（1 1/8） | 29（1 1/8），32（1 1/4） | 32（1 1/4） | |||||||
| Opening dia. of rotary table,mm (in) | 266（10 1/2） | 445（17 1/2），520（20 1/2） | 520（20 1/2），700（27 1/2） | ||||||||
| Mast | Mast type | Mast-type double-section hydraulic hoisting | |||||||||
| Mast height, m | 29，31 | 29，31，33 | 31, 33, 35 | 36, 38 | 38, 39 | ||||||
| Height of drill floor, m | 1.8，2.5 | 3，4，4.5 | 4, 4.5，5 | 4，5 | 5，6 | 6，7 | |||||
| Drive mode of chassis | 8×8/10×8 | 10×8 | 12×8 | 14×8 | 14×10 | ||||||
| Max. speed, km/h | 45 | ||||||||||
| Remarks: Data in this table are allowed to be modified upon client’s requirement in accordance with the agreement between both parties. | |||||||||||
Basic Parameters of Series II Truck Mounted Workover Rig
| Grade of Workover Rig | MR2500 | MR3000 | MR3000（DC） | MR3500 | ||
| Range of nominal workover， m | Depth of minor overhaul | 73mm external-thickened tube | 2600 | 3200 | 3200 | 4000 |
| Depth of overhaul | 73mm drill pipe | 2000m | 2000m | 3200m | ||
| 88.9mm drill pipe | 2000m | |||||
| 114mm drill pipe | ||||||
| Max. hook load，kN | 585 | 675 | 675 | 900 | ||
| Rated hook load，kN | 300 | 400 | 400 | 600 | ||
| Mast height，m | 18 | 24 | 24 | 21 | ||
| Overall dimensions，（m×m×m） | 11.83×2.495×3.85 | 13.75×2.78×4.1 | 14.39×3.05×4.166 | 14.1×2.8×4.1 | ||
| chassis | SX1255TN464（6×6） | WS5322（6×6） | TAZ5323TXJB（6×4） | WS5320(6×6) | ||
| Approach/ departure angle，° | 25°/13° | 25°/17° | 24°/21° | 25°/15° | ||
| Min. ground clearance，mm | 400 | 320 | 287 | 320 | ||
| Min. turning radius，m | 14 | 14.5 | 14 | 14 | ||
| Overall weight，kg | 25000 | 32000 | 32000 | 32000 | ||
| Max. grade ability | 12% | 32% | 35% | 32% | ||
| Max. speed，km/h | 50 | 53 | 54 | 53 | ||
| Grade of Workover Rig | MR4500 | MR5500 | MR6500 | MR7000s | ||
| Range of nominal workover， m | Depth of minor overhaul | 73mm external-thickened tube | 5500 | 7000 | 8500 | |
| Depth of overhaul | 73mm drill pipe | 4500m | 5800m | 7000m | 8000m | |
| 88.9mm drill pipe | 3500m | 4500m | 5500m | 5000m | ||
| 114mm drill pipe | 1500 m | 3600m | 4200m | 3000m | ||
| Max. hook load，kN | 1125 | 1350 | 1580 | 1700 | ||
| Rated hook load，kN | 800 | 1000 | 1200 | 1500 | ||
| Mast height，m | 34.5 | 34.5 | 35 | 38 | ||
| Overall dimensions，（m×m×m） | 20.315×3.11×4.48 | 20.315×3.11×4.48 | 20.83×3.12×4.486 | 21.6×3×4.5 | ||
| chassis | WS5541（10×8） | WS5541（10×8） | TAZ5553TXJ（12×8） | TAS5840(14×8) | ||
| Approach/ departure angle，° | 26°/18° | 26°/18° | 33°/13° | 25°/12° | ||
| Min. ground clearance，mm | 311 | 311 | 311 | 332 | ||
| Min. turning radius，m | 17 | 17 | 19 | 20 | ||
| Overall weight，kg | 54000 | 54000 | 54000 | 84000 | ||
| Max. gradeability | 30% | 26% | 30% | 30% | ||
| Max. speed，km/h | 50 | 50 | 45 | 43 | ||
