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:

Jasper Interval, East Texas Gulf Coast

Comments on Geologic Parameters

12b Formation Pressure:

Studies by Kreitler and others (1988; their figure 62) demonstrate that pressure increases uniformly with depth for the Miocene formations of the Texas Gulf Coastal Plain. They determined that the regional pressure gradient for the Miocene formations is 0.465 psi/ft. With this information we calculated pressure at formation depth (c12bjasper) to determine the aerial distribution of pressures within this middle and lower Miocene interval. In the Texas City area, the Lagarto/Oakville interval is at 1,860 to 3,022 psi.

12b Map:

 

12b Reference:

Kreitler, C. W., Akhter, M. S., Donnelly, A. C. A, and Wood, W. T., 1988, Hydrogeology of formations used for deep-well injection, Texas Gulf Coast: The University of Texas at Austin, Bureau of Economic Geology, open-file report prepared for U.S. Environmental Protection Agency under Cooperative Agreement ID No. CR812786-01, 204 p.