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
Guimaras oil spill Guimaras on August 22 in order to oversee both the cleanup of the oil spill and the retrieval of the 1.5 million liters of fuel oil still remaining inside the tanker. The government also ordered the creation of the Special Board of Marine Inquiry to determine who and what caused the spill. Guimaras Governor JC Rahman Nava has objected to the proposal of disposing the oil wastes within the province. Clemente Cancio, President of Sunshine Maritime Development Corporation (SMDC), the company which owns M/T Solar I, said that their foreign insurer is willing to pay the cost of damage brought