Anadarko Basin, Bakken Shale, Barnett Shale, Eaglebine Shale, Eagleford Shale, Fayetteville Shale, Granite Wash, Marcellus Shale, Mississippian / Mississippi Limestone, Niobrara Shale, Permian Basin, Tuscaloosa Marine Shale, Utica Shale, Woodford Shale