550HP Workover Rig

The power system of 550HP mobile workover rigs adopt imported CAT engine and Allison transmission box. The mobile workover rigs is made up of mast, drawworks, rotary table, the control system of hydraulic, pneumatic or electric, etc. The max. static hook load is 1350KN. Being equipped with substructure and related accessories, the mobile workover rigs can do workover and well drilling operation.


1. The mobile workover rigs adopt home-made workover rig 10×8 chassis.
2. It adopts 34m two-section telescoping mast and simple drilling platform is optional.
3. The mobile workover rigs adopt transmission shaft drive type and 5 forward + 5 reverse speeds anti-reversion rotary table drive device.


Parameters of 550HP Mobile Workover Rig

The depth of workover 7000m (73mm tubing) 5800m (73mm DP)
The max. loading 1350kN
The type of traveling system 4×5
Diameter of rope Φ29
Engine CAT C18/630 bhp
The model of gear box Allison M6620AR
Mast Clean height 34m
The max. static loading 1350kN
Drawwork The max. pull of fast line 210KN (the second floor)
Diameter of wire line 29mm
The max. rotate speed 450rpm
Drilling floor Height 4m
Model of rotary table ZP175