XJ70Z-2BL wash well workover rig serves several purposes on the basis of XJ70Z-2L workover rig with triplex piston back and forth horizontal ram pump HTB200, besides having merit of XJ70Z-2L workover rig, which also has well workover, flushing function of washing car.This rig is a highly efficient and stable new workover equipment, which has widen eyeshot, cross-country, simple and efficient operation, easy servicing, energy saving and environmental protection, aesthetic appearance.