General Setting
Information Search and Selection

Com ments

on

Geo logic

Para meters

1 Depth:

2 Permeability/Hydraulic Conductivity:

3 Formation Thickness:
4 Net Sand Thickness:
5 Percent Shale:
6 Continuity:
7 Top Seal Thickness:
8 Continuity of top seal:
9 Hydrocarbon Production:
10 Fluid Residence Time:
11 Flow Direction Elevation:

12

CO2 Solu bility Brine

 12a Temperature:
12b Pressure:
12c Salinity:
13 Rock/Water Reaction:
14 Porosity:
15 Water Chemistry:
16 Rock Mineralogy:

St. Peter Sandstone, Illinois Basin

Comments on Geologic Parameters

13 Rock/Water Reaction:

The St. Peter Sandstone is a mature quartz arenite that contains little or no silt and clay, except near its perimeter. Therefore, we conclude that the potential for rock/water reaction with high CO2 brine is low.

13 Reference:

Odom, I. E., Doe, T. W., and Dott, R. H., Jr., 1976, Nature of feldspar-grain size relations in some quartz-rich sandstones: Journal of Sedimentary Petrology, v. 46, p. 862–870.

Odom, I. E., Willand, T. M., and Lassin, R. J., 1977, Paragenesis of authigenic minerals in St. Peter Sandstone: American Association of Petroleum Geologists Bulletin, v. 61, p. 1384–1385.