Report: U.S. becomes world’s largest producer of oil in 2013
'With the help from shale oil, the United States is the world's largest producer of oil in 2013, according to data presented at PIRA Energy Group's recent Retainer Client Seminar held in New York City.' - 'According to PIRA the US position as the largest oil supplier in the world looks to be secured for many years. Although growth rates of US shale liquids are expected to become smaller in the future, PIRA's forecast sees the US increasing the lead over the next two largest countries until after 2020'
