UPDATE 1-Three Utah refineries restart after power outage

HOUSTON, Nov 4 (Reuters) - The Chevron Corp, Holly Corp and Flying J refineries near Salt Lake City, Utah, were restarting units after a brief power outage knocked all or parts of the plants offline on Wednesday morning, the companies said. The brief outage, described as a "blip" or a "bump" was triggered by a Wednesday morning explosion at the Silver Eagle refinery in Woods Cross, Utah, said a fire department official. None of the refineries reported injuries due to the incidents. A Tesoro Corp spokesman said the company's 60,000 barrel per day (bpd) Salt Lake City refinery was operating normally on Wednesday. Chevron Corp's 45,000 bpd Salt Lake City refinery "did have some units go offline," said Refinery Manager Mark Sullivan, who declined to identify the units. The refinery was restarting using normal procedures. The 29,400 bpd Flying J refinery "had a few pumps go down" and was restarting, said spokesman Joel Elstein. All of the units a the 25,050 bpd Holly refinery in Woods Cross were shut by the power blip, said spokesman Mike Astin. At least two of the units had restarted by late morning. The blast at the Silver Eagle refinery knocked nearby houses of their foundations and was heard for miles away, said Jeff Bassett, deputy fire chief of the South Davis Metro Fire Department. The explosion occurred when liquid containing diesel and hydrogen that had been released from a pipe flowed along the ground to furnace, which ignited the mixture, according to a preliminary investigation, Bassett said.. "The power outage, which was a blip or a bump, was a secondary effect of the explosion," he said. Woods Cross is located about 10 miles (16 kilometers) north of Salt Lake City. (Reporting by Erwin Seba) (([e-mail]; [phone]; Reuters Messaging: [e-mail])) Keywords: REFINERY OPERATIONS/UTAH (For help: Click "Contact Us" in your desk top, click here or call 1-800-738-8377 for Reuters Products and 1-888-463-3383 for Thomson products; For client training: [e-mail] ; [phone]) COPYRIGHT Copyright Thomson Reuters 2009. All rights reserved.

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