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
Harte Research Institute for Gulf of Mexico Studies spill that released more than 4.9 million barrels of oil into the Gulf of Mexico between April 20, and July 15, 2010, created a unique opportunity to address many of the long-term issues fundamental to the Gulf’s future sustainability. HRI scientists have and continue to provide leadership in assessing the long-term impacts of the largest accidental marine oil spill in the history of the petroleum industry and are fostering the Gulf’s recovery by helping guide restoration to assure that conservation efforts are effective and long lasting. HRI has already influenced the allocation of billions of dollars toward Gulf restoration and