April 20
Explosion and fire on Deepwater Horizon rig in the Gulf of Mexico.
April 28
Federal authorities report the damaged well is spilling 5,000 barrels a day.
May 2
The drilling of the primary relief well begins.
May 7-8
A 100-ton containment system is tried and fails when it clogs with icelike methane hydrates.
May 16
An insertion tool is stabbed into a breached section of well but collects only 2,000 barrels a day.
May 27
Federal authorities estimate the blowout is releasing as much as 19,000 barrels a day.
May 29
Top kill and junk shot attempts fail, unable to overcome force of flowing oil.
June 3
A new containment system is connected to the well, collecting as much as 15,000 barrels a day.
June 11
Federal authorities estimate the blowout is releasing as much as 60,000 barrels a day.
July 12
A temporary, 40-ton cap is installed on well.
July 15
Cap vents are closed, stopping spill of oil into the Gulf.
Aug. 1
BP prepares to kill and plug the well with static kill and relief well.
Explosion and fire on Deepwater Horizon rig in the Gulf of Mexico.
April 28
Federal authorities report the damaged well is spilling 5,000 barrels a day.
May 2
The drilling of the primary relief well begins.
May 7-8
A 100-ton containment system is tried and fails when it clogs with icelike methane hydrates.
May 16
An insertion tool is stabbed into a breached section of well but collects only 2,000 barrels a day.
May 27
Federal authorities estimate the blowout is releasing as much as 19,000 barrels a day.
May 29
Top kill and junk shot attempts fail, unable to overcome force of flowing oil.
June 3
A new containment system is connected to the well, collecting as much as 15,000 barrels a day.
June 11
Federal authorities estimate the blowout is releasing as much as 60,000 barrels a day.
July 12
A temporary, 40-ton cap is installed on well.
July 15
Cap vents are closed, stopping spill of oil into the Gulf.
Aug. 1
BP prepares to kill and plug the well with static kill and relief well.
