MarcellusGas-249125859766702081 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| Via @PhillyInquirer: #Energy executives gather in #Philadelphia for #SGI2012 http://t.co/bLv6leUN #ShaleGas #Marcellus Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail