U.S. shale oil boom completely altering world markets | Bloomberg

… U.S. oil output surged to the highest level in 13 years in July, according to weekly Energy Department data. The U.S. met 83 percent of its energy demand from domestic sources in the first five months of this year and is heading for the highest annual level since 1991, department figures compiled by Bloomberg show.

“Unconventional oils and gas are changing everything about our competitiveness in the United States,” Bill Klesse, Valero Energy Corp.’s chief executive officer, said yesterday at the Barclays CEO Energy/Power Conference in New York. “Before you know it, we’re going to have so much light, sweet crude that in the U.S. Gulf Coast we’re not going to be importing light, sweet crude, and we think that happens next year.”

Houston, New Orleans and other ports along the Gulf Coast accepted about 554,000 barrels a day of light, sweet oil from outside the U.S. in June, down from 964,000 barrels a day in June 2011 and about 1.25 million in June 2010, according to the Energy Department… via Energy.