The Ohio Department of Natural Resources (ODNR) has a section of their website dedicated to the geology of the Marcellus and Utica shale. Here you will find a series of presentations with data sets for both the Utica and Marcellus shale plays.
But user beware:
“Disclaimer: The information contained herein has not been technically reviewed for accuracy and conformity with present ODNR Division of Geological Survey standards for published or open-file materials. The ODNR Division of Geological Survey does not guarantee this information to be free from errors, omissions, or inaccuracies and disclaims any responsibility or liability for interpretations or decisions based thereon.”
Visit the website by clicking here.
Image credit: An outcrop of the Marcellus Shale.
Source: Wikipedia; user: Lvklock (2008).