Oil refining survived the shocks of the 1990s because of a continuing export market and the purchase of the Burgas refinery by the Russian oil giant LUKoil.
石油炼制在20世纪90年代的冲击中幸存下来，因为出口市场持续不断，俄罗斯石油巨头LUKOIL购买了布尔加斯炼油厂。