EV Energy: Production Updates for 2 Ohio Utica Wells Carroll County | Energy Companies | EnerVest | EV Energy Partners | Ohio | Stark County August 21, 2012August 21, 2012 EV Energy Partners has released initial production results for their second Utica Shale well (the Cairns 5H well in Carroll County) and issued an update on their first Utica Shale well (the Frank 2H well in Stark County): Please Login to view this content. (Not a member? Join Today!) Related