houston u.s. coast guard monday allow barge traffic enter port arthur texas home country large oil refinery consider allow ship enter tuesday spokesman say ship yet allow enter port along neches river extreme river currents hurricane harvey say scott whalen director uscg vessel track service port arthur large crude oil processor unite state motiva enterprises port arthur refinery sit along port 603,000 barrel per day refinery one large producers gasoline unite state port arthur port beaumont port orange deep water port sabine-neches waterway near texas-louisiana border three 28 port texas coast still close ship traffic due harvey survey result port due monday even follow assessment coast guard determine port reopen tuesday whalen say reopen would entail restrictions daylight operations vessel draft depth hop move tomorrow say try port arthur first see far get pilot feel safe get ship areas coast guard currently two load barge limit neches river whalen say ship traffic could resume tuesday port arthur texas u.s. coast guard