This project supports reservoir description and advanced oil recovery process research and development, especially in the areas of reservoir chemistry, physics, and rock-fluid interactions at the micro- and macroscopic scales. This work is aimed at advancing the understanding of the effect of small-scale rock heterogeneities (pore to whole core scales) on fundamental processes involved in oil recovery by developing, applying and refining cross-cutting imaging techniques and technologies. While these imaging techniques are currently used to provide near-term field RD&D support in the characterization of pore structures and surfaces, and rock/fluid interactions as applied to the evaluation of enhanced oil recovery processes for Class I, 11, and other reservoirs, in this report the emphasis is on the longer-term application of these techniques to the study of oil trapping, recovery mechanisms, and scaling-up procedures from core plug to whole core to interwell scales.