National Occupational Classification (NOC) 2016 Version 1.3

• 8 - Natural resources, agriculture and related production occupations
• 82 - Supervisors and technical occupations in natural resources, agriculture and related production

823 - Underground miners, oil and gas drillers and related occupations

This minor group includes underground production and development miners; and oil and gas well drillers, servicers, testers and related workers. They are employed by coal, metal and non-metallic mineral underground mines; specialized contractors in mine construction, shaft sinking and tunnelling; drilling and well service contractors; petroleum producing companies; and well logging and testing companies.