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:

Frio Formation, Texas Gulf Coast

Comments on Geologic Parameters

6 Continuity:

Compartmentalization is related to depositional facies and percent shale. A recent analysis of the south Texas Frio fluvial-deltaic play (Knox and others, 1996) provides a strong model for how to determine reservoir heterogeneity using facies and play analysis.

6 Map:

6 Reference:

Knox, P. R., Holtz, M. H., McRae, L. E., Hentz, T. F., Paine, J. G., White, W. G., and Chang, C.-Y., 1996, Revitalizing a mature oil play: strategies for finding and producing unrecovered oil in Frio fluvial-deltaic sandstone reservoirs of South Texas: The University of Texas at Austin, Bureau of Economic Geology, final report prepared for U.S. Department of Energy, Bartlesville Project Office, under contract no. DE-FC22-93BC14959, 178 p.