NOC 8412 – Oil and gas well drilling and related workers


  • acid treater – oil field services
  • acid truck driver – oil field services
  • acidizer – oil field services
  • ballast control operator – offshore drilling rig
  • blender operator – oil field services
  • blending machine operator – oil field services
  • carbon dioxide truck operator – oil field services
  • cement truck driver – oil field services
  • cementer – oil field services
  • cementing equipment operator – oil field services
  • chemical services operator – oil field services
  • chemical truck operator – oil field services
  • coiled tubing operator – oil field services
  • control room operator – offshore drilling
  • derrick worker – oil and gas drilling
  • derrickhand – offshore drilling
  • derrickhand – oil and gas drilling
  • derrickman/woman
  • derrickman/woman – oil and gas drilling
  • dynamic positioning operator – offshore drilling
  • formation fracturing operator
  • formation fracturing operator – oil field services
  • frac driver – oil field services
  • motorhand – offshore drilling
  • motorhand – oil and gas drilling
  • motorman/woman – oil and gas drilling
  • nitrogen operator
  • nitrogen operator – oil field services
  • nitrogen truck operator – oil field services
  • oil well acidizer
  • oil well cementer – oil field services
  • pipeline locator – oil and gas
  • power-tong operator
  • production tubing operator – oil field services
  • pumper operator – oil field services
  • pumpman/woman – oil field services
  • reeled tubing operator – oil field services
  • rig technician – derrickhand
  • rig technician – motorhand
  • seismic buried facilities locator
  • snubbing-unit operator
  • well treatment blender operator – oil field services
  • well treatment pump operator – oil field services

Job Duties

Oil and gas well drilling workers perform some or all of the following duties:

  • Use specialized equipment, information and maps to determine and document the location of buried pipelines and other utilities in preparation for seismic exploration and drilling activities
  • Align and manipulate sections of pipe or drill stem from platform on rig derrick during removal and replacement of strings of pipe, or drill stem and drill bit
  • Operate and maintain drilling mud systems and pumps during drilling, and mix mud, chemicals and additives
  • Record mud flows and volumes and take samples
  • Operate and maintain drilling rig diesel motors, transmissions and other mechanical equipment
  • Assist in setting up, taking down and transporting drilling and service rigs
  • Supervise floorhands and labourers.

Oil and gas well services operators perform some or all of the following duties:

  • Drive well services truck to well site
  • Assemble pumping equipment and attach pumps and hoses to wellhead
  • Operate hydraulic pumping systems to pump chemicals, gases, sand, cement or other material into well
  • Read gauges to monitor pressure, density, rate and concentration and adjust pumping procedure as required
  • May mix chemicals and cements.

Employment Requirements

  • Completion of secondary school is required.
  • Training of up to three months with an experienced operator is required for oil and gas well services operators.
  • Completion of petroleum industry-approved training courses may be required.
  • One year of experience as a floorhand, assistant or labourer is usually required.
  • Certificates in first aid, hydrogen sulphide awareness, blowout prevention, workplace hazardous materials information system (WHMIS), transportation of dangerous goods (TDG), cryogenic safety or in other safety concerns may be required.
  • Rig technician certification for motorhands and derrickhands may be required by some employers.

Additional Information

  • Progression to oil and gas well driller or service rig operator is possible with experience.
  • Progression to supervisor of well services is possible for gas and oil well services operators.


  • Contractors and supervisors, oil and gas drilling and services (8222)
  • Oil and gas drilling, servicing and related labourers (8615)
  • Oil and gas well drillers, servicers, testers and related workers (8232)

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