Petty Officer 2nd Class Richard Hilliard, a Coast Guard Sector Houston-Galveston facilities regulation expert, prepares to inspect a ship before the first Gulf Coast export of ethane from the world’s largest ethane-export terminal, the Enterprise Products Morgan’s Point terminal. located along the Houston Ship Channel. Thursday, Aug. 2016. Texas is the first state in the gulf to conduct the ethane exports, only six months after Sunoco, an American petroleum and petrochemical manufacturer, conducted the first overseas ethane export at a Marcus Hook, Pennsylvania, terminal. U.S. Coast Guard photo by Petty Officer 3rd Class Jennifer Nease.