Ключевые слова: barrel, bitumen, black, crude, derrick, downstream, drilling, exploration, extraction, fossil, fracking, geology, glyph, gusher, hydrocarbon, icons, illustrations, industry, item, lubricant, midstream, monochrome, offshore, oil, onshore, opec, petrochemical, petroleum, pipeline, production, refinery, refining, reservoir, rig, seismic, set, symbol, tanker, upstream, wellhead,