Oil and gas drilling workers operate and maintain drilling machinery and service rig machinery equipment such as drilling mud systems / pumps, diesel motors, transmissions, and other mechanical equipment as well as perform other activities as intermediate members of drilling rig crews.

Required educational / training background will vary, depending on your area of work. You often need company licensing or certification. You may also obtain basic common core program certification in Ontario. To be an oil and gas drilling worker or service operator, you need a high school diploma and first aid, hydrogen-sulphide awareness, blowout prevention or other safety certificates. You usually need industry experience as an assistant or labourer. Many recent entrants have a high school diploma, and almost 1 in 4 has a trade / vocational certificate or community college diploma.