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Talking Point: |
(modified from Armentrout, 2000) Reservoir Characterization integrates all available data to define the geometry, distribution of physical parameters, and flow properties of a petroleum reservoir. The goal is to accurately and quantitatively model reservoir architecture, connectivity, and flow properties such as porosity, permeability, and fluid saturations. This may involve expertise in sedimentology to define reservoir lithology and geometry, definition of flow units and boundaries within the reservoir, and computer simulation of fluid movement and changes in reservoir properties during production. Geologic models help capture reservoir heterogeneities as well as uncertainties resulting from sparse well control, inadequate resolution on geophysical data sets, and problems with indirect measurement of reservoir parameters from seismic, log, and production data. These models of the reservoir may aid in more accurately estimating the probability distribution of hydrocarbon volumes, assist in geosteering wells to optimum locations, and provide input to reservoir simulation. |