Ключевые слова: barrel, business, cloud, crisis, crude, crude oil, derrick, diesel, drilling, ecology, economy, energy, environment, equipment, exploration, fuel, gas, gasoline, global warming, industrial, industrial site, industry, machine, mineral, mining, money, oil, oil field, oil rig, petroleum, power generation, production, profit, pump, pump jack, pumpjack, raw, rich, rig, russia, siberia, sky, tool, wellhead,