Fully developed, the Marcellus Shale has the potential to be the second largest natural gas field in the world, behind only the South Pars/Asalouyeh field shared between the nations of Iran and Qatar. Converted to British Thermal Units (BTUs), the natural gas found in the Marcellus could be equivalent to the energy content of 87 billion barrels of oil, enough to meet the demand of the entire world for nearly three years.Download Report
Underground shale formations have been found to be a rich source of natural gas
Pennsylvania is now reporting "self-sufficiency" in natural gas.
Source: Timothy J. Considine, T J, Watson, R, & Blumsack, S (2010, May 24), The Economic Impacts of the Pennsylvania Marcellus Shale Natural Gas Play: An Update, Pennsylvania State University.