This workover rig is designed and manufactured in accordance with API Spec Q1、4F、7k、8C and technical standards of RP500，GB3826.1、GB3836.2 GB7258，SY5202 as well as“3C”compulary standard. The whole unit is compact and has a high working efficiency with a transmission mode of hydraulic+ mechanical transmission way. The self-made 6×6 cruise substructure is used on the workover rig for quick movement under the environment of shoal and swamp.