SJ PETRO XJ550 (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.
SJ PETRO XJ650 Drilling&Workover Rig is the bestselling heavy duty workover rig of SJ PETRO. Equipped with powerful Cat C18 engine, the XJ650 can serve as a 2 in 1 rig to perform both workover and drilling operation.
SJ PETRO XJ750 Drilling&Workover Rig adopts double Caterpillar C15 engines with Allison transmissions. It is the best-selling mobile drilling rig for both oil drilling and workover purposes.
SJ PETRO ZJ40 Truck-mounted Drilling Rig adopts double Caterpillar C18 engines with Allison transmissions. It is the best-selling mobile drilling rig for both oil drilling and workover purposes.