BusinessGreen: Gas methane emissions from some shale gas wells in the eastern US could be orders of magnitude larger than the EPA has estimated, according to a report released this week.
In a paper entitled Toward a better understanding and quantification of methane emissions from shale gas development, scientists suggest that gas pads in southwestern Pennsylvania were releasing methane at a rate between 100 and 1,000 times greater than the EPA had suggested.
"Large emissions averaging 34 g CH4/s per well...