"Shale Oil Output Anchors a Record Growth In U.S. Production"
"Drawing on growing output from the Bakken and Eagle Ford shale plays, U.S. crude production averaged 6.4 million barrels a day last year, a gain of 800,000 barrels daily over 2011 -- the largest annual increase since the birth of the U.S. oil industry in 1859, the Energy Information Administration said yesterday."