Rotary drilling
18 July 2017
Rotary helper
18 July 2017
Rotary drilling
18 July 2017
Rotary helper
18 July 2017

Rotary drilling rig

Basically hoisting equipment, prime movers, and auxiliary equipment necessary to well drilling. Includes: rotary table, draw-works, kelly, swivel, hook, blocks, line, engines, mud pumps, and piping, (steel mud pits, if used) utilities unit, dog house, tool house, mud house, etc., and electric generators, motors, and wiring if used.