Estimating emissions potential of decommissioned gas wells from shale samples

The Marcellus shale natural gas boom provided the U.S. with an abundant, lower-carbon footprint fossil fuel, but also brought concerns over increased methane emissions. A team led by Penn State researchers has developed a new tool that can estimate the emissions potential of these wells after they are no longer active.

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A Marcellus Shale well site in Pennsylvania. Credit: Penn State