Classification note
- Published code: 8113
- Hierarchy level: unit-group
- This page uses ISCO-08 as the English occupation reference layer while Thai TSCO label harmonization remains incomplete.
Parent link
Occupation hierarchy
- Major Group: 8 Plant and Machine Operators, and Assemblers
- Sub Major Group: 81 Stationary Plant and Machine Operators
- Minor Group: 811 Mining and Mineral Processing Plant Operators
- Unit Group: 8113 Well Drillers and Borers and Related Workers
Child groups
- No child groups are published under this code.
TSIC codes where this occupation is primary
- 05100 - Mining of hard coal
- 05200 - Mining of lignite
- 06100 - Extraction of crude petroleum
- 06200 - Extraction of natural gas
- 07100 - Mining of iron ores
- 07210 - Mining of uranium and thorium ores
- 07291 - Mining of other non-ferrous metal ores
- 07292 - Mining of other non-ferrous metal ores
- 07300 -
- 08101 - Quarrying of stone, sand and clay
- 08102 - Quarrying of stone, sand and clay
- 08103 - Quarrying of stone, sand and clay
- 08104 - Quarrying of stone, sand and clay
- 08910 - Mining of chemical and fertilizer minerals
- 08920 - Extraction of peat
- 08932 - Extraction of salt
- 08999 - Other mining and quarrying n.e.c.
- 09100 - Support activities for petroleum and natural gas extraction
- 09900 - Support activities for other mining and quarrying
TSIC codes where this occupation is related
- 07299 - Mining of other non-ferrous metal ores
- 08931 - Extraction of salt
- 08991 - Other mining and quarrying n.e.c.
Definition
Well drillers and borers and related workers position, assemble and operate drilling machinery and related equipment to sink wells, extract rock samples, liquids and gases or for a variety of other purposes.
Tasks include
Tasks include - (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) supervising and training crew members.
Included occupations or child groups
Examples of the occupations classified here: - Bore sinker - Boring equipment operator - Derrickman - Derrick operator - Developmental driller - Directional driller - Driller (oil or gas well) - Drilling plant operator - Drilling rig operator - Power-tong operator - Toolpusher - Tourpusher
Excluded occupations
Some related occupations classified elsewhere: - Blaster - 7542 - Miner - 8111 - Quarrier - 8111
ISCO-88 correspondence
- 8113