In the nation’s largest natural gas region, the Marcellus aspwv2014-05-13T00:00:00-04:00May 13th, 2014|Twitter| In the nation’s largest natural gas region, the Marcellus Shale, each rig produced an average of 6.48 mcf/d in May. http://t.co/thPjMxPNXi Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail