Timeline 2010 (continued) :
Timeline 2010 (continued) May 16: Riser Insertion Tube Tool (RITT) operational for recovering oil from riser to surface ship
May 26: Top Kill begins
May 29: Top Kill ends, without success
June 1: First shear cut to remove riser
June 3: Second shear cut removes top of riser
June 3: Top Hat #4 in place on top of Lower Marine Riser Package (LMRP)
June 4: First gas and oil to surface from Top Hat #4
Timeline 2010 (continued) :
Timeline 2010 (continued) June 11: Numerous “well topping” devices and associated installation accessories designed, built and readied for future deployment
June 16: Additional vessel, Q4000, a clean burning systems also begins to collect oil and gas at the surface
June 23: Temporary suspension of LMRP Cap containment operations due to discharge of liquid from a diverter valve on Discoverer Enterprise. Operations resumed later that day
Timeline 2010 (continued) :
Timeline 2010 (continued) June 28: The first relief well, which started drilling May 2, has reached a measured depth of 16,546 feet and has successfully completed a second ”ranging” run. The second relief well, which started May 16, is drilling ahead at a measured depth of 10,500 feet. Both wells are still estimated to take approximately three months to complete from commencement of drilling
June 29: Total oil recovered was approximately 25,220 barrels