XJ-550 or ZJ-20 (100t) Drilling & Workover Rig has a workover depth up to 5,800m and a service depth up to 7,000m. Equipped with rotary table, swivel and drilling tools, they can perform as a mobile drilling rig up to 2,000m depth. The main rig can be customized with well control, solid control and other systematic setup to become your complete solution to workover and drilling operations.