A large-scale fire was extinguished at the Perm-based SIBUR-Khimprom chemical enterprise, a spokesman for the regional emergencies administration told Itar-Tass today. According to the spokesman, no casualties were reported. The fire, which occurred in the small hours on Tuesday, consumed some 300 square meters of the oil enterprise's production premises. This is the largest fire at such enterprises in the past two years, the spokesman said. Causes of the fire are being investigated into, the spokesman added.