A total of 33 drilling rigs are working in eastern Ohio, and that's an increase over recent weeks.



To date, the Ohio Department of Natural Resources has issued 531 Utica shale permits in eastern Ohio.



Of that total, 254 wells have been drilled and 73 are in production.



That does not include 20 permits for Marcellus shale wells, of which eight have been drilled.



The most recent permits were for Carroll County, 4; Harrison County, 2; and Noble County, 1.