The Ohio Department of Natural Resources’ Division of Oil and Gas Resources Managament has approved 100 permits for Carroll County.
Staterwide, the state has approved 297 permits, of which 105 wells have been drilled through July 23.
Those 297 permits have been issued since December 2009.
The other top Ohio counties for permits are Columbiana, 47; Jefferson, 26; Harrison, 24; Monroe, 16; Guernsey, 13; Stark, Noble and Mahoning, all with 12; and Portage, 8.
Ohio has also approved 17 additional Marcellus shale permits, of which seven wells have been drilled.