Predicting Porosity and Permeability for the Canyon Formation, SACROC Unit (Kelly-Snyder Field), Using the Geologic Analysis via Maximum Likelihood System, Topical.
Accurate, high-resolution, three-dimensional (3D) reservoir characterization can provide substantial benefits for effective oilfield management. By doing so, the predictive reliability of reservoir flow models, which are routinely used as the basis for significant investment decisions designed to recover millions of barrels of oil, can be substantially improved. This is particularly true when Secondary Oil Recovery (SOR) or Enhanced Oil Recovery (EOR) operations are planned. If injectants such as water, hydrocarbon gasses, steam, CO2, etc. are to be used; an understanding of fluid migration paths can mean the difference between economic success and failure. SOR/EOR projects will increasingly take place in heterogeneous reservoirs where interwell complexity is high and difficult to understand. Although reasonable reservoir characterization information often exists at the wellbore, the only economical way to sample the interwell region is with seismic methods which makes today's standard practice for developing a 3D reservoir description to resort to the use of seismic inversion techniques. However, the application of these methods brings other technical drawbacks than can render them inefficient.