<sup>The workover rig adopts the self-propelled carrier, hollow truss telescope mast, has good cross-country ability and easy to move, truck-mounted diesel engine supplies power which can be single engine operation or double engines paralleling operation, suitable for workover below 10,000 meters operation or within 3,000 meters of the shallow well drilling operation.

Note: Following parameters are only for reference</sup>

Model Parameter	XJ450	XJ550	XJ650	XJ750
Max Hook Load KN	1125	1350	1470	1700
Minor Repair Depth m(2 7/8'' Oil Tubing)	5500	7000	8500	-
Heavy Repair Depth m(2 7/8'' Drill Pipe)	4500	5800	7000	8000
Drawworks HP	450	550	650	750
Valid Rope No.	8	8	8	10
Mast Height m	31.3	32	34	36
Drive Model	10x8	10x8	12x8	14x8
Wire Rope Dia.mm	?26	?26	?29	?29