With crude oil prices near record levels, a hurricane targeted the heart of America's oil and refinery operations Sunday, shutting down an estimated 1 million barrels of refining capacity and sharply curbing offshore production throughout the region. ... The Louisiana Offshore Oil Port, which processes loads from tankers too large for mainland ports, evacuated all workers and stopped unloading ships on Saturday morning said Mark Bugg, the terminal's manager of scheduling. The LOOP, 20 miles offshore, is the nation's largest oil import terminal and handles 11 percent of U.S. oil imports. Katrina Targeting U.S. Oil Operations | 
