Natural Gas News Bloomberg: Ukraine Crisis Forces Shell to Halt Shale Wells in Restive East Jun 4, 2014 5:47:pm
Natural Gas News Ukrtransgaz, Shell Slow Down Operations in Eastern Ukraine to Protect Personnel Jun 3, 2014 3:20:pm
Natural Gas News Reuters: Russia's Lukoil to drill for tight gas in Saudi desert May 16, 2014 9:10:pm
