August 25, 2011

Tracking the Life Cycle of Marcellus Shale GHG Emissions

IOP, Institute of Physics

AP Photo

This study estimates the life cycle greenhouse gas (GHG) emissions from the production of Marcellus shale natural gas and compares its emissions with national average US natural gas emissions produced in the year 2008, prior to any significant Marcellus shale development. We estimate that the development and completion of a typical Marcellus shale well results in roughly 5500 t of carbon dioxide equivalent emissions or about 1.8  g CO2e/MJ of gas produced, assuming conservative estimates of the production lifetime of a typical well. This represents an 11% increase in GHG emissions relative to average domestic gas (excluding combustion) and a 3% increase relative to the life cycle emissions when combustion is included. The life cycle GHG emissions of Marcellus shale...

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TAGGED: shale gas production, natural gas, enviornmental impact, Marcellus Shale, greenhouse gas emissions, Institute of Physics


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