Efforts to stem the Deepwater Horizon oil spill Efforts to stem the Deepwater Horizon oil spill Efforts to stem the "Deepwater Horizon" oil spill were ongoing from the time that the "Deepwater Horizon" exploded on 4/20/2010 until the well was sealed by a cap on July 15, 2010. Various species of dolphins and other mammals (61 casualties), birds (2,095 casualties), and the endangered sea turtles (467 casualties) have been killed either directly or indirectly by the oil spill. The "Deepwater Horizon" spill has surpassed in volume the 1989 "Exxon Valdez" oil spill as the largest ever to originate in U.S.-controlled waters; it is comparable to the 1979 Ixtoc
Prudhoe Bay oil spill $10 million which included per-gallon environmental penalties for the spills, fines for natural resource damages and other civil charges to settle civil assessments for the spills. BP argued that no money was owed to the state for lost production, but the arbitration panel concluded that the pipeline problems and associated reservoir complications resulted in lost or deferred production of more than 30 million barrels of oil and natural-gas liquids until the end of the oil field's life. Prudhoe Bay oil spill The Prudhoe Bay oil spill (2006 Alaskan oil spill) was an oil spill that was discovered on March 2,