Volume and extent of the Deepwater Horizon oil spill Volume and extent of the Deepwater Horizon oil spill The "Deepwater Horizon" oil spill was discovered on the afternoon of 22 April 2010 when a large oil slick began to spread at the former rig site. According to the Flow Rate Technical Group, the leak amounted to about of oil, exceeding the 1989 "Exxon Valdez" oil spill as the largest ever to originate in U.S.-controlled waters and the 1979 Ixtoc I oil spill as the largest spill in the Gulf of Mexico. BP has challenged this calculation saying that it is overestimated as it includes over of oil which was
Mega Borg Oil Spill Mega Borg Oil Spill The "Mega Borg" Oil Spill occurred in the Gulf of Mexico on June 8, 1990, roughly 50 miles off the coast of Texas, when the oil tanker "Mega Borg" caught on fire and exploded. The cleanup was one of the first practical uses of bioremediation. At 11:30 PM on the evening of Saturday June 8, 1990, an explosion in the cargo room of the Norwegian oil tanker the "Mega Borg" “ruptured the bulkhead between the pump room and the engine room”, causing the ship to catch fire and begin to leak oil. The 853-foot-long, 15-year-old vessel