See Order from 12/8/14 here. 

At approximately 8:30 a.m. CST on Monday, December 8, 2014, the United States Supreme Court released it's Order from the December 5, 2014 conference. This Order denied BP's request to have the highest Court in the United States hear arguments regarding the interpretation and validity of the Deepwater Horizon Settlement Agreement, which was entered in 2012.