Well Driller (259) Enlisted Personnel

Sets up and operates well drilling machinery to obtain water or oil in the field.
Sets up well drilling rig, hoists casing in position over well, lowers drill stem into casing, bolts drive clamp around drill steam into casing, bolts drive clamp around drill stem, and manipulates levers to control drill and drive castings. Threads additional casings and drives them into well as hole is deepened.
May supervise a crew of well drillers.