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HOUSTON, Sept 22 (Reuters) - Royal Dutch Shell Plc said flaring on Thursday at the Norco, Louisiana manufacturingcomplex shared with the Motiva Enterprises refinerywas due to an upset in Shell's chemical plant.
"The issue is said to be resolved, but flaring for next houror so," Shell spokesman Ray Fisher said in an email at 11:39a.m. CDT (1639 GMT) on Thursday.
The refinery and chemical plant share the safety flaresystem at the complex. When the flare goes off it is sometimesreported as being due to a malfunction at the refinery.
Shell is set to take over control of the237,700-barrel-per-day refinery when Motiva co-owners Shell andSaudi Aramco divide the company's three refineries on April 1,2017, Motiva has said. (Reporting by Erwin Seba; Editing by Paul Simao)