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
2014 Sundarbans oil spill The secondary effect of oil spill is always much greater than the primary effects. After the spill, primarily Bangladeshi fishermen began to clean up the oil using sponges and sacks. Padma Oil Company, a government-owned corporation, bought the oil at a price of 30 takas per litre. The Bangladeshi navy initially sent four ships to deal with the spill, and planned to use chemicals to disperse the oil, but the plan was canceled, as there were concerns that dispersing the oil would further damage the ecology and biodiversity of the mangrove forest. The government of Bangladesh closed the Shela River