Abstract：XJ450 work over rig can provide lifting and rotating operations for mid depth or shallow depth work over, well services, well testing, downhole tools running and retrieving, ESP rep

Abstract：Model XJ 550 work over rig is a self-propelled unit with a working load capacity of 100 tons. It consists the truck chassis, transmission, main drum and braking system

Abstract：snubbing unit can be used as both a stand-alone snubbing unit or rig assist snubbing unit to work with a conventional work-over rig.