Deepwater Horizon Oil Spill By mbartole Apr 20, 2010 Wellhead Blowout Apr 21, 2010 NOAA is notified by Coast Guard Apr 21, 2010 Preassessment Starts Apr 22, 2010 Drilling Rig Sinks Apr 22, 2010 Start of Aerial Dispersant Apr 28, 2010 Controlled Burns Begin Apr 28, 2010 Fishery Closures Apr 30, 2010 SCAT Program Begins May 2, 2010 Drilling of Relief Wells May 6, 2010 Containment Domes May 15, 2010 Oil Siphoning Begins May 22, 2010 National Commission Created May 26, 2010 Top Kill Attempt May 30, 2010 6-Month Prohibition on Drilling in Gulf Jun 1, 2010 LMRP Cap Containment Attempt Jun 5, 2010 Common Operational Picture Released Jun 6, 2010 Tarballs Reach Shores in all 5 Gulf States Jul 10, 2010 Capping Stack Stops Leak Aug 2, 2010 Static Kill Process Starts Sep 19, 2010 Well Sealed with Cement