Objectives of the U.S. DOE?s research, Natural fracture characteristics and effects, Shear-wave amplitude anomalies in south-central Wyoming, Azimuthal anisotropy in P-wave 3-D (multiazimuth) data, Correlation between P-wave AVOA and S-wave traveltime anisotropy in a naturally fractured gas reservoir, Problems in the analysis of multicomponent VSP data, Naturally fractured tight gas reservoir detection optimization: Piceance Basin, Utilizing crosswell, single well and pressure transient tests for characterizing fractured gas reservoirs