More than 450,000 workers were employed in the oil and gas industries in 2011. These workers are engaged in many different industrial processes needed to successfully drill and service a well. Safety and health hazards and dangerous conditions can result in fatalities for oil and gas workers. This course provides information on industry standards that can help you identify and prevent hazards in the dangerous oil and gas industry.

Topics include:
Well Completion Safety - Conducting Drill Stem Test, Setting Production Casing, Installing Production Tubing, Starting Production Flow, Hydraulic Fractures, Beam Pumping Units, Servicing Operations Safety - Transporting Rig, Rigging Up Service Rig, Set Up Work Area, Removing the Horsehead, Removing the Wellhead, Pulling and Running Rods, Wireline Operations, Well Logging, Perforating, Cementing, Swabbing, Hot Oiling, Snubbing, Coil Tubing, Sand Cleanout, Repairing Liners and Casing, Sidetracking: Plug-Back, and Removing Casing: Place Cement Plugs.

Reference:
https://www.oshacademy.com/courses/list/903-well-site-completion-servicing-safety.html