Largest U.S. refinery may be shut up to two weeks -sources

HOUSTON, Aug 31 (Reuters) - Motiva Enterprises' Port Arthur, Texas refinery, the nation's largest, may be shut as long as two weeks for assessment of the plant and repair of any damage, sources familiar with plant operations said on Thursday.

The 603,000 barrel per day (bpd) Port Arthur Refinery was shut on Wednesday due to flooding from Tropical Storm Harvey. (Reporting by Erwin Seba; Editing by Chizu Nomiyama)