Oil & Gas production jobs for Process Technicians includes drill site or well pad operators, and facility operators. The industry refers to Oil & Gas production as "upstream" operations.
Drill site / Well pad Operators are responsible for the oil & gas wells, their operation, and the associated piping connecting them to the separation facilities.
Facility Operators are responsible for the equipment and systems used to separate oil, water, and gas. They are also responsible for the associated piping or pipelines connected to these facilities.