Hilcorp Sets Sights on More Utica Drilling in Mahoning County, OH Energy Companies | Hilcorp Energy | Mahoning County | Ohio | Utica Shale July 26, 2013July 26, 2013 A quick update on Hilcorp’s Utica Shale drilling program and where they’ll next, courtesy the Youngstown Business Journal: Please Login to view this content. (Not a member? Join Today!) Related