oil companies line icons and signs. oilfield, bp, exxonmobil, chevron, shell, conocophillips, occidental

petroleum oilfield bp exxonmobil chevron shell conocophillips occidental reliance citgo lukoil sinopec valero pemex sunoco galp repsol total eni bhp marathon petrochina pertamina aramco exxon inpex kalari petrobras petrokazakhstan petrosyanbon qp nnpc knoc di knpc pdvsa petrosa petrovietnam sonangol rosneft gazprom aoc petroflow ptt petrocanada petromas petrohawk icon vector line