Marcellus Shale Continues to Offer Untapped Opportunities

According to the U.S. Energy Information Administration's latest shale gas statistics, proved shale gas reserves in Pennsylvania rose significantly from 2008 through 2010, the latest year for which the data is available. During this time, proven shale gas reserves in the state rose from 88 billion cubic feet (Bcf) to 10.7 trillion cubic feet, primarily from exploration of the Marcellus Shale.