Ключевые слова: background, business, completion, crude, deep, derrick, drill, driller, drilling, energy, engineer, engineering, equipment, exploration, field, fuel, gas, gasoline, gun, hole, industrial, industry, intervention, job, lubricator, occupation, offshore, oil, oilfield, old, onshore, perforation, petroleum, pipe, pipeline, platform, power, production, refinery, rig, shore, steel, technology, tool, tubing, underground, up, valve, well, worker,