Product Description 1. Flushby rig can substitute the crane, flush truck, pump truck in sand washing work of heavy oil well in rotary screw pump type. It can also work as a light and efficient small workover rig. It is a true all in one complex unit. 2. The mast is equipped with long diagonal draw bar to open and shut automatically, which makes the rig not only facilitate horizontal drilling, but also function on a well slanted at a 45 degree angle Detailed Images Packing & Delivery Certifications