This is a post by Piccolo, a petroleum engineer working in the petroleum industry.

The Bakken formation in North Dakota and Montana has generated a lot of buzz in the past year. Reserve numbers in the billions of barrels, even tens or hundreds of billions show up in press reports and blogs. Now the USGS has weighed in with a comprehensive assessment of the resource. So just how much will this oil accumulation help the world's largest importer of oil? Is it time to relax or is this just another small blip in the long-term decline of domestic production? We'll examine these questions and others below the fold, using data from the IHS database.