CNX/CONSOL to Drill Second Well in Mahoning County, OH September 10, 2012 CNX Gas, CONSOL Energy, Energy Companies, Mahoning County, Ohio CNX Gas, the wholly-owned subsidiary of CONSOL Energy, was just granted a second permit to drill a horizontal well in Mahoning County, Ohio: Please Login to view this content. (Not a member? Join Today!) Related Post navigation Heckmann Corp Buys Appalachian Water ServicesCONSOL Exec Says Utica Pipelines are Critical Need You do not have permission to view the comments. Click here to cancel reply. Please Login to post a comment Notify me of follow-up comments by email.