Well Drillers and Borers and Related Workers

assembling and dismantling pipes, casings and drill heads, and replacing dysfunctional equipment

operating controls to lower and raise drill pipes and casings in and out of wells, regulate pressure in the well and control the speed of tools

preparing drilling fluid and checking the operation of pumps to ensure adequate circulation of fluid in drill pipe and well

monitoring gauges and other indicators and listening to equipment to detect malfunctions and unusual well conditions, and determining the need to change drilling or equipment

maintaining, adjusting, repairing and cleaning drilling rigs, hoisting and other machinery

maintaining records of drilling and servicing operations

operating machines and tools to extract dust, cuttings and lost and broken drilling equipment from holes and wells

closing and sealing wells no longer in use

supervising and training crew members.