Here is the USGS pdf on the Paradox Basin, dated 2011.
Here are a few posts from the blog that are relevant:
- The Paradox Basin: an MDU teaser / cryptic comment -- November 4, 2012
- Million-plus EURs far exceeding those in the Bakken could be a game changer -- April 13, 2014
- Fidelity announces a nice well in Paradox Basin -- April 25, 2012