XTO Energy Inc., along with its subsidiaries, is engaged in the acquisition, development, exploitation and exploration of both producing oil and gas properties and unproved properties, and in the production, processing, marketing and transportation of oil and natural gas. Its estimated proved reserves at December 31, 2008, were 11.80 trillion cubic feet (Tcf) of natural gas, 76 million barrels (MBbls) of natural gas liquids and 268 million Bbls of oil. On an energy equivalent basis, it’s proved reserves were 13.86 trillion cubic feet equivalent (Tcfe) at December 31, 2008. During the year ended December 31, 2008, its average daily production was 1.91 Billion cubic feet (Bcf) of gas, 15.6 MBbls of natural gas liquids and 56 MBbls of oil. As of December 31, 2008, the Company owned interest in 33,285 gross (18,235.7 net) producing wells. In September 2008, XTO Energy Inc. completed its merger of Hunt Petroleum Corporation and other associated entities.