Well drillers and borers and related workers
South Africa Well drillers and borers and related workers position, assemble and operate drilling machinery and related equipment to sink wells, extract ore, liquids and gases or for a variety of other purposes.
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Tasks
- (a) dismantling, moving and assembling drilling rigs and auxiliary equipment
- (b) assembling and dismantling pipes, casings and drill heads, and replacing dysfunctional equipment
- (c) 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
- (d) preparing drilling fluid and checking the operation of pumps to ensure adequate circulation of fluid in drill pipe and well
- (e) 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
- (f) maintaining, adjusting, repairing and cleaning drilling rigs, hoisting and other machinery
- (g) maintaining records of drilling and servicing operations
- (h) operating machines and tools to extract dust, cuttings and lost and broken drilling equipment from holes and wells
- (i) closing and sealing wells no longer in use
- (j) supervise and train crew members
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