As U.S. shale oil boomed last decade, an oil pipeline company pitched an ambitious multi-billion-dollar export port off the Texas coast to ship domestic crude to buyers in Europe and Asia.In April, Enterprise Products Partners' SPOT became the first project to receive a license from the U.S. maritime regulator for a deepwater port that could load two supertankers, each of which can carry up to 2 million barrels of oil at a time…
