equipment class
An integral part of the drilling process, iron roughnecks connect and disconnect drill pipe. Whether pipe is being fed into the wellbore or it is being taken out, the iron roughneck uses a rotary table and torque wrench(es) to make up or break down pipe.
A device that is designed for easy washing and dope application of drill pipe threads and collar threads.
A 'well drilling system' and an 'artefact' in which the torque is transferred to the drill string using rotary table and kelly.
A physical object that consists of wedge-shaped pieces of metal loosely joined together and fitted into a bushing to support a string of pipe. The slips have gripping elements to prevent the pipe from slipping down the drilling hole.
A top drive is a mechanical device on a drilling rig that provides clockwise torque to the drill string to facilitate the process of drilling a borehole.