NOC 8232 – Oil and gas well drillers, servicers, testers and related


  • assistant driller – offshore drilling rig
  • assistant driller – oil and gas well drilling
  • coring operator – oil field services
  • directional driller – oil and gas drilling
  • directional drilling operator
  • directional drilling operator – oil and gas drilling
  • downhole tool operator
  • downhole tool operator – oil and gas drilling
  • drill stem tester
  • drill stem tester – oil and gas drilling
  • driller – offshore drilling rig
  • driller – oil and gas drilling
  • electric line operator
  • electric line operator – oil field services
  • e-line operator – oil field services
  • fishing tool operator – oil field services
  • gas tester – oil field services
  • gun perforator – oil field services
  • hydrocarbon mud logger – oil field services
  • logging and perforating operator
  • logging and perforating operator – oil field services
  • offshore driller – oil and gas
  • oil well perforator
  • perforator, oil wells
  • production testing operator – oil and gas well drilling
  • rig technician – driller
  • service rig operator
  • service rig operator – oil field services
  • sidewall core sampler – oil field services
  • slickline operator
  • slickline operator – oil field services
  • well puller – oil field services
  • well testing operator
  • well testing operator – oil and gas drilling
  • wireline operator
  • wireline operator – oil field services
  • wireline operator trainee
  • workover rig operator – oil field services

Job Duties

Oil and gas well drillers and well servicers perform some or all of the following duties:

  • Direct rig crew in setting up rigs and drilling, completing or servicing oil and gas exploration and producing wells
  • Operate controls of drill or service rig drilling and hoisting machinery
  • Train or arrange for training of crew
  • Maintain records of drilling and servicing operations
  • Ensure safety procedures are followed.

Oil and gas well loggers, testers and related workers perform some or all of the following duties:

  • Drive well service or wireline truck to well site
  • Assemble and attach equipment, tools or recorders to drill stem or wireline to conduct required procedures and tests
  • Operate or direct the operation of wireline or unit controls to lower, position and retrieve equipment and instruments
  • Operate recorders and computers in mobile testing or logging unit to collect data
  • May perform limited data interpretation.

Employment Requirements

  • Completion of secondary school is usually required.
  • Oil and gas well drillers and well servicers require three to six months of formal on-the-job training, college or petroleum industry-approved training courses and four or more years of work experience in subordinate rig crew positions.
  • A college diploma in drilling may be required.
  • Offshore work requires several years of experience in an equivalent position on land.
  • Certificates in first aid, hydrogen sulphide awareness, blowout prevention, well control, workplace hazardous materials information system (WHMIS), transportation of dangerous goods (TDG) and a special oil well operator (boiler) certificate are required.
  • Oil and gas well loggers, testers and related workers require three to six months of formal on-the-job training and several years of experience in subordinate logging and testing positions or on drilling and servicing rigs.
  • Completion of a college program in electronics or engineering technology may be required for open hole well logging.
  • A provincial blaster’s licence, and seismic blaster and oil well blaster certification are required for well perforation services.
  • Trade certification for rig technician is compulsory in Alberta and available, but voluntary, in Newfoundland and Labrador, Nova Scotia, Prince Edward Island, Manitoba, Saskatchewan, British Columbia and the Northwest Territories.
  • Red Seal endorsement is also available to qualified rig technicians upon successful completion of the interprovincial Red Seal examination.

Additional Information

  • Mobility between jobs on drilling and service rigs is limited by the differences in the machinery, tools and operations performed, but mobility is possible especially from drilling to service rigs.
  • Progression to crew supervisor or manager is possible with experience and additional education and training.
  • The Red Seal endorsement allows for interprovincial mobility.


  • Oil and gas well drilling and related workers and services operators (8412)
  • Rig managers (in 8222 Contractors and supervisors, oil and gas drilling and services)
  • Water well drillers (7373)

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