HOUSTON, Dec 11 (Reuters) - All units were running normallyon Friday at BP Plc's 413,500 barrel per day (bpd)Whiting, Indiana, refinery, one day after a reformer malfunctiontriggered the safety flare system, said sources familiar withplant operations.
"The units are all running," said one of the sources. "Itwas a minor valve problem (on Thursday)."
Work was underway on Thursday to fix the manufacturing valveon the 60,000 bpd Ultraformer. (Reporting by Erwin Seba; Editing by Diane Craft)