Subsurface Sources of CO2 in the United States

Sponsored by the US Dept. of Energy, these groundbreaking studies were released in 2014 and examine discovered and undiscovered sources of CO2 for EOR.  This study compiles information about subsurface CO2 accumulations in the continental United States and estimates the recoverable resource.  Twenty-one CO2 fields in the contiguous United States were examined, including two in or germane to the Appalachian market: Indian Creek and Jackson Dome fields.  Following on to Volume 1, Volume II explores the genesis and tectonic setting of subsurface CO2 systems.  The work was framed around an exploration for leads where undiscovered CO2 reservoirs may occur.  Twenty-six leads in five geographic areas were identified.  Volume 1 concluded that the subsurface CO2 reservoirs were an important factor to consider in scenario models and forecasts of domestic energy supply and CO2 capture deployments.  Volume II indicates that it is also important to consider undiscovered sources of CO2.  In assembling these volumes, full technical and economic analyses were performed (assessment gas-in-place, technically recoverable and economically recoverable resources).  These analyses required development of an extensive database and modeling support system.

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Map Credit:  Compiled and drawn by T. Heidrick