A federal agency reports that shale gas production in Appalachia, including from the Marcellus and Utica shale plays, has jumped more than 14 billion cubic feet per day (Bcf/d) since 2012, according to Kallanish Energy. Citing numbers from the U.S. Energy Information Administration (EIA), the news site says Appalachian Basin natural gas production grew from 7.8 Bcf/d in 2012 to 22.1 Bcf/d in 2016 and reached 23.8 Bcf/d through October 2017. EIA attributes the increase to efficiency improvements in horizontal drilling and hydraulic fracturing in the region.