It used to be more than that not to long ago. At least we have reversed the trend. The percentage is going down not up.
In 2006, our crude oil production was 27% of our refined product consumption.
U.S. Field Production of Crude Oil
http://www.eia.gov/dnav/pet/hist/LeafHandler.ashx?n=pet&s=mcrfpus2&f=a
U.S. Product Supplied of Finished Petroleum Products
http://www.eia.gov/dnav/pet/hist/LeafHandler.ashx?n=pet&s=mtpupus2&f=a