Counties with wells classified as "Drilling":
Harrison (69), Monroe (60), Guernsey (48), Noble (46), Belmont (30), Carroll (12), Jefferson (4), Morgan (1), Portage (1), Trumbull (1), Tuscarawas (1).
Operators "Drilling": Antero (57), Gulfport (54), Chesapeake (40), American Energy (31), Eclipse (24), Hess (17), PDC (12), Carrizo (8), Triad Hunter (8), Rice (5), HG (3), XTO (3), CNX (2), Hall Drilling (2), Rex Energy (2), Chevron (1), Enervest (1), EQT (1), Halcon (1), Mountaineer (1).
Map of Utica Shale wells classified as "Drilling"