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
Montara oil spill Australia and the operator of the oil field should be held responsible for any environmental damage caused by the oil spill. In June 2010, the East Nusa Tenggara provincial government estimated that economic losses due to the pollution of the Timor Sea resulting from the Montara spill amounted to more than 2.5-3 trillion rupiah (Rp) or $318–382 million (AUD). The loss was born exclusively by the fishermen and coastal residents whose living was dependent on marine resources. The Indonesian president, Susilo Bambang Yudhoyono announced that the Indonesian government would seek compensation from PTTEPAA because he believed the lives of Indonesian