Oil and gas resources on University Lands, 2.1 million acres in 19 West Texas counties, constitute a major asset of the University of Texas System. The original oil in place (OOIP) of the 102 major University Lands oil reservoirs is calculated to be 7,520 MMbbl. Components of the calculated OOIP include residual oil (3,761 MMbbl, 49 percent), cumulative production (1,702 MMbbl through 1999, 23 percent), remaining reserves (125 MMbbl, 2 percent), and unrecovered mobile oil (1,932 MMbbl, 26 percent).

This nontechnical guidebook describes seven trails that visitors can walk within Pedernales (Spanish for the "flint" found in the park area) State Park, near Johnson City, in the Hill Country of Texas. Included are numerous color photos, brief discussions of the park's geology, human history, and Pedernales River, and a geologic map of the park.

This color poster depicts the rock-fabric method for linking geologic descriptions with petrophysical properties. The rock-fabric method can be used to (1) estimate matrix permeability and initial water saturation using rock-fabric descriptions porosity and reservoir height and (2) distribute petrophysical properties within a sequence stratigraphic framework.

Salt structures can be extremely challenging to interpret and understand. To begin with, the high velocity contrast between salt and most sedimentary rocks means that many salt structures are poorly imaged on seismic data. Furthermore, salt behaves as a fluid in the subsurface, creating geometries unlike anything found in nonsalt provinces. As a result, it can be difficult for the non-specialist to infer the evolution of salt structures upon inspection.