MarcellusGas-249130570452443136 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| Great @NewsOK on #SGI2012: Conference looks at changes in #NaturalGas, oil industry http://t.co/D3c9nUHP #Marcellus Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail