... .XJ250, XJ350, XJ450, XJ550, XJ650, XJ1000,and XJ1200 series of workover rigs with maximum static load ranging from 300 to 2250kN ( 67440 ... it is easy for installation and movement. These rigs are suitable for workover operation for wells ranging from 1000 m to 9000 ... wells if equipped with a rotary table.A self-propelled workover rig is mainly composed of chassis, power and driving system ...