Wiktionary
derrickman
n. a member of a oil drilling rig who works on a derrick suspended above the rig floor, manhandling the drillpipe
Usage examples of "derrickman".
Geologists and cementers, derrickmen, mud watchers, drillers, welders and fitters, they was after the oil, no attention to the water or weather.
By July, he was working in the quarries-he was often the signalman, but his father apprenticed him to the other quarrymen: the channel bar drillers, the derrickman, the dynamiters.
All the quarrymen-the signalman, the derrickman, the channel bar drillers, and the dynamiters-and even the sawyers who had to handle the rock before it was cut down to monument size .