General Safety and Health Hazards | Drilling Site Jobs | Drilling Operation Accidents | Task-specific Accidents | Crane, Derrick, and Hoist Hazards | Material Handling Hazards | Blowouts | Flammable and Combustible Liquids | Lightning and Static Electricity | Hot Work (Welding) and Fire Safety | Flare Pits and Lines | Exposure to Rotating Parts Ergonomics | Circulating Fluid Systems | Hand and Power Tools | Confined Spaces | Exposure to Silica and Hydrogen Sulfide Gas