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Screening Criteria for Geologic CO2 Sequestration
Abstract |
Stratigraphic Column |
Site Selection
Coal Beds |
Oil Reservoirs |
Enhanced Oil Recovery |
Saline Aquifers |
Geologic Model
Geologic Model of the Mt. Simon Sandstone (Saline Aquifer)
The three-dimensional (3D) model of the Mt. Simon Sandstone at the Manlove gas storage reservoir shows variations in porosity (reservoir quality).
Each slice of the reservoir is approximately three feet in thickness. The yellow to red-orange zones have the best porosity and were originally deposited as tidal channels. The low porosity areas represented by the blue colors were tidal flat environments.
This 3D model of the Mt. Simon Sandstone shows the reservoir to be heterogeneous. Individual sandstones may not be continuous across the field, although sandstones may be in flow communication with one another. The Mt. Simon's reservoir heterogeneity will increase the need for detailed reservoir characterization and the careful placement of CO2 in any saline reservoir sequestration program.
The Animated Model (2.5 mb) requires the Quicktime plugin.
Projecting Rock Properties
Measured average permeability of the Mt. Simon Sandstone from the gas storage fields show that the average permeability at 6,000 feet below the surface could be less than 10 mD.
Illinois State Geological Survey |
Indiana Geological Survey |
Kentucky Geological Survey
National Energy Technology Laboratory