Dec 17 (Reuters) - HF SINCLAIR :
* SAYS AT APPROXIMATELY 5 P.M. ON DEC. 16, HF SINCLAIR RESPONDED TO AN OPERATIONAL UPSET THAT LED TO A FIRE AT ITS TULSA WEST, OKLAHOMA REFINERY
* SAYS FIRE WAS EXTINGUISHED AT TULSA WEST REFINERY
* SAYS NO INJURIES WERE REPORTED, INVESTIGATION IS CURRENTLY UNDERWAY
REFINERY CAPACITY: 125,000 BARRELS PER DAY
((Reuters.Briefs@thomsonreuters.com;))