SHOT-HOLE DRILLER

Domain	Definition
Occupations	Operates portable rotary drilling rig to drill shallow boreholes to obtain samples of earth formations, for placement of explosives in seismic prospecting, or for other tests to discover petroleum: Positions truck-mounted derrick at drilling area specified on field map. Starts rig and moves throttles and clutches to raise and lower drilling pipes. Counts sections of drill rod to determine depth of borehole. Selects coring bit and barrel. Withdraws core barrel from hole and extracts core from barrel. Records depths at which samples were taken. Repairs equipment, using handtools. (references)
Source: compiled by the editor from various references; see credits.

Anagrams: SHOT-HOLE DRILLER

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "d-e-e-h-h-i-l-l-l-o-o-r-r-s-t"
	-5 letters: drolleries, rhodolites.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.