Description
The XJ550 truck mounted well workover unit can achieve heavy repair and side tracking when equipped with substructure and associated parts. The maximum static hook load is 1350KN. It is mainly suitable for work-over operation of middle and shallow wells.

Features of Mechanical Workover Rig
1. The mast uses 33m double hydraulic section mast with hoisting and telescopic function.
2. The chassis is 10×8 type, which has good cross-country performance.
3. The draw-works auxiliary brake is water brake. Pneumatic tong brake and pneumatic water cooled disc brake are optional.
4. Substructure and simple working platform are optional.
5. The rotary table transmission device adopts five forward, five reverse and anti-reverse rotation system.
6. Its main working system includes the lifting system and rotation system.

Parameters of Truck Mounted Well Workover Unit

Item	Name	Parameter
1	Nominal heavy repair depth (EUE tubing) m	7000
2	Nominal heavy repair depth (27/8″ Drill Pipe) m	5800
3	Max. hook load KN	1350
4	Rated hook load KN	1000
5	Engine model of mechanical workover rig	C15
6	Engine power(kW)	403
7	Hydraulic transmission case model	S5610HR
8	Transmission type	Hydraulic + Mechanical
9	Qty. of traveling system ropes	5 × 4
10	Mast (m)	33
11	Main rope diameter (mm)	26
12	Hook speed (m/s)	0.2 to 1.4
13	Approach / departure angle of truck mounted well workover unit	26°/18°
14	Min. ground clearance (mm)	311
15	Max. gradeability	26%
16	Min. turning diameter(m)	33
17	Rotary table model	ZP135
18	Hook block model	YG135
19	Swivel model	SL135
20	Overall dimension (m)	18.8 × 2.9 × 4.3
21	Main unit mass(kg)	58000