Model of Direct Rotary Rig
The basic principle of operation of a rotary rig are clearly demonstration by this convenient size open construction model. It is size open construction model. It is mounted on a truck chassis, components and arrangement for erection the derrick manually and showing important parts like Rig, mud pump, draw work-reels and rotary table etc. and dummy levers for operations, the keely drill rigs and swivel etc. are given separately