Job prospects Sidewall Core Sampler - Oil Field Services in Ontario

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This job title belongs to an occupational group from the National Occupational Classification (NOC), which includes green jobs that contribute directly or indirectly to positive environmental outcomes (such as preservation, conservation and restoration). It does not mean that all positions with this job title are necessarily green jobs, but rather that they have the potential to be depending on their specific requirements. Learn more about Job Bank’s methodology for identifying green jobs.

Explore current and future job prospects for people working as a "sidewall core sampler - oil field services" in Ontario or across Canada.

Job opportunities in Ontario

The recent trends from the past 3 years were updated on July 28, 2026. The job outlooks over the next 3 years were updated on December 10, 2025.

Prospects over the next 3 years

The employment outlook will be Very limited for oil and gas well drillers, servicers, testers and related workers (NOC 83101) in Ontario for the 2025-2027 period.

The following factors contributed to this outlook:

• Employment decline will lead to the loss of some positions.
• A moderate number of positions will become available due to retirements.
• There are several unemployed workers with recent experience in this occupation.

Here are some key facts about oil and gas well drillers, servicers, testers and related workers in Ontario:

• Approximately 950 people worked in this occupation in May 2021.
• Oil and gas well drillers, servicers, testers and related workers mainly work in the following sectors:
  • Mining, quarrying, and oil and gas extraction (NAICS 21): 20%
  • Computer systems design services (NAICS 5415): 16%
  • Architectural, engineering and design services (NAICS 5413): 13%
  • Construction (NAICS 23): 8%
  • Computer and electronic product manufacturing (NAICS 334): 7%
• The distribution of full-time and part-time workers in this occupation is:
  • Full-time workers: 89% compared to 81% for all occupations
  • Part-time workers: 11% compared to 19% for all occupations
• 65% of oil and gas well drillers, servicers, testers and related workers work all year, while 35% work only part of the year, compared to 63% and 37% respectively among all occupations. Those who worked only part of the year did so for an average of 42 weeks compared to 43 weeks for all occupations.
• 5% of oil and gas well drillers, servicers, testers and related workers are self-employed compared to an average of 15% for all occupations.
• The gender distribution of people in this occupation is:
  • Men: 67% compared to 52% for all occupations
  • Women: 33% compared to 48% for all occupations
• The educational attainment of workers in this occupation is:
  • no high school diploma: 10% compared to 9% for all occupations
  • high school diploma or equivalent: 37% compared to 25% for all occupations
  • apprenticeship or trades certificate or diploma: 7% compared to 8% for all occupations
  • college certificate or diploma or university certificate below bachelor's: 18% compared to 22% for all occupations
  • bachelor's degree: 16% compared to 24% for all occupations
  • university certificate, degree or diploma above bachelor level: 11% compared to 13% for all occupations

Breakdown by region

Explore job prospects in Ontario by economic region.

Source Labour Market Information | Prospects Methodology