- Derrick Hand
- Gas Service Tech
- Gas Service Technician
- Gas Floor Hand
- Operator
- Operator Assistant
- Roustabout
- Roustabout Crew Pusher
- Roustabout Hand
- Roustabout Pusher
- Service Operator
- Drill Rig Operator
- Drill Rig Operator Helper
- Oil and Gas Roustabout
- Oil Field Roustabout
- Oil Field Laborer
- Oil Floor Hand
- Oil Rig Floor Hand
- Oil Rig Roughneck
- Oil Rigger
- Cathead Operator
- Coil Tubing Operator
- Dumper Bailer Operator
- Field Operator
- Field Service Roustabout
- Field Service Engineer
- Field Service Installation Tech
- Field Service Installation Technician
- Field Service Tech
- Field Service Technician
- Flowback Operator
- Fracturing Equipment Operator
- Fuel Farm Operator
- Generator Field Service Tech
- Generator Field Service Technician
- Production Roustabout
- Slickline Operator
- Terminal Operator
- Well Service Floor Worker
- Well Service Floorperson
- Window and Door Specialist
- Wireline Operator
- Assemble or repair oil field equipment using hand and power tools. Perform other tasks as needed.
- Clean up spilled oil by bailing it into barrels.
- Cut down and remove trees and brush to clear drill sites, to reduce fire hazards, and to make way for roads to sites.
- Dig holes, set forms, and mix and pour concrete into forms to make foundations for wood or steel derricks.
- Dismantle and repair oil field machinery, boilers, and steam engine parts, using hand tools and power tools.
- Lay gas and oil pipelines.
- Operate cranes, hoists, or other moving or lifting equipment.