EPL Oil & Gas, Inc., formerly Energy Partners, Ltd., is an independent oil and natural gas exploration and production company based in New Orleans, Louisiana and Houston, Texas. The Company�s operations are concentrated in the United States, Gulf of Mexico shelf focusing on state and federal waters offshore Louisiana, which it considers its core area. On February 14, 2011, the Company acquired an asset package consisting of certain shallow-water Gulf of Mexico shelf oil and natural gas interests surrounding the Mississippi River delta and a related gathering system (the ASOP Properties) from Anglo-Suisse Offshore Partners, LLC (ASOP). In April 2013, it sold certain non-operated assets. In June 2014, Energy XXI (Bermuda) Limited completed the acquisition of EPL Oil & Gas Inc.