ATP Oil & Gas Corporation is engaged in the acquisition, development and production of oil and natural gas properties. As of December 31, 2011, the Company had estimated net proved reserves of 118.9 Million barrels of crude oil equivalent (MMBoe), of which approximately 75.9 MMboe (64%) were in the Gulf of Mexico and 42.9 MMBoe (36%) were in the North Sea. The reserves consisted of 78.6 Million barrels (MMBbls) of oil (66%) and 241.5 billion cubic feet (Bcf) of natural gas (34%). Its proved reserves in the deepwater area of the Gulf of Mexico account for 62% of the Company�s total proved reserves and its proved reserves on the Gulf of Mexico Outer Continental Shelf account for 2% of its total proved reserves. During the year ended December 31, 2011, it acquired three licenses in the Mediterranean Sea covering potential natural gas resources in the deepwater off the coast of Israel (East Mediterranean). On August 17, 2012, ATP Oil And Gas Corp filed for Chapter 11 bankruptcy protection.