Oil Prices Rise Though Storm Fears Vanish WASHINGTON - Oil prices rose Thursday despite reports that refineries along the Gulf Coast, as well as production platforms in the Gulf of Mexico, that had been shut down were slowly being restaffed, as Hurricane Ivan proved to be less disruptive than feared.   "We've really not heard of any refineries in that area reporting any problems," and several are already being restarted, said Tom Bentz, a trader at BNP Paribas Futures in New York...