Alyeska Pipeline Alaska vacation day 13 The Alyeska pipeline transports oil from the North Slope (Prudhoe Bay, ANWR) south to Valdez to load on to ships. As of 2023, it has moved over 18 billion barrels of oil since it opened in 1977, Pipeline heading south. The other side looking south. Pipeline heading north, going into the ground. This is an example of how the oil is moved, called “pigs”.