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
Rayong oil spill Post said that the level of total petroleum hydrocarbon (TPH) "still exceeds safety standards". On 30 July 2013 Bangkok Post said that "The company PTTGC has insurance coverage of US$50 million with Dhipaya Insurance." Rayong oil spill The Rayong oil spill occurred on July 27, 2013, in the Gulf of Thailand, off the coast of Ko Samet and Map Ta Phut in Rayong Province. On July 27, 2013, a pipeline owned by PTTGC Plc, a Thai state-owned oil company, burst while oil was being transferred from an undersea well to a tanker. PTTGC then followed the operation procedures for oil