Berry Petroleum Company is an independent energy company. The Company is engaged in the production, development, exploitation, and acquisition of oil and natural gas. The Company's principal reserves and producing properties are located in California (South Midway-Sunset (SMWSS)-Steam Floods, North Midway-Sunset (NMWSS)-Diatomite, NMWSS-New Steam Floods, Texas (Permian and E. Texas), Utah (Uinta) and Colorado (Piceance). The Company's operations are conducted in the continental United States. As of December 31, 2012, the Company had working interests in 2,744 gross (2,584 net) productive oil wells and 455 gross (271 net) productive natural gas wells. As of December 31, 2012, it had eight rigs drilling on its properties and it had five gross (five net) wells in progress.