Deepwater Horizon oil spill 17 of whom were treated for injuries. The Deepwater Horizon sank on the morning of 22 April 2010. The oil leak was discovered on the afternoon of 22 April 2010 when a large oil slick began to spread at the former rig site. The oil flowed for 87 days. BP originally estimated a flow rate of . The Flow Rate Technical Group (FRTG) estimated the initial flow rate was . The total estimated volume of leaked oil approximated with plus or minus 10% uncertainty, including oil that was collected, making it the world's largest accidental spill. BP challenged the higher
Guimaras oil spill she declared a "national calamity". On August 17, British oil experts, sent by SMDC's foreign insurer, arrived in Guimaras to assess the situation. SMDC stated that the experts will check the extent of the oil pollution. The Britons conducted an aerial survey over Guimaras Island and made recommendations based on their findings. A four-man team from the U.S. Coast Guard arrived on August 23 to assist in determining the exact location of the tanker. Guimaras oil spill The Guimaras oil spill occurred in the Panay Gulf on August 11, 2006 when the oil tanker M/T "Solar 1" sank off the