Port of Port ArthurThe Port of Port Arthur is a seaport in Port Arthur, Texas.WWW portofportarthur.com2010 tanker collisionOn 23 January 2010, an oil tanker and barge collided in the channel leading to Port Arthur, spilling up to 450,000 gallons of oil into the seaway. The tanker was chartered by ExxonMobil and was bound for Exxon's refinery in Beaumont, Texas.