St. Peter Sandstone, Illinois Basin (12b)

Comments on Geologic Parameters

12b CO2 Solubility Brine: Formation Pressure:

There currently is no published information regarding geopressure gradients or maps showing formation-pressure distribution. We used well-completion information from Bell and Kline (1952) to determine the relationship between depth and formation pressure. The data demonstrated a geopressure gradient of about 39.2 psi/100 ft. We used this gradient in combination with the depth to the top of the St. Peter Sandstone to generate a pressure-distribution map for the GIS.

12b Map:

map

12b Reference:

Bell, A. H., and Kline, V., 1952, Oil and gas development in Illinois during 1951: Illinois Geological Survey, Illinois Petroleum 67, 53 p.

Click here for "RI0283. Geological CO2 Sequestration Atlas of Miocene Strata, Offshore Texas State Waters"

RI0283

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