Shell Oil Comapny

Peter Harold Doe

Tak Siang Kho

Raul Valdez

Ŕaul Valdez

A method for selecting a candidate reservoir for enhanced oil recovery from a plurality of reservoirs comprising selecting a reservoir, calculating a normalized raw score based on target oil for the reservoir (S), calculating a normalized raw score based on recovery factor for the reservoir (S), and evaluating the plurality of reservoirs based on Sand S.

Method for selecting enhanced oil recovery candidate

A method for estimating minimum miscibility enrichment (MME) for an injectant used in gas flooding of a reservoir at a given operating pressure comprising performing a plurality of slim tube simulations for the reservoir, determining minimum miscibility pressure (MMP) for a plurality of injected gases, creating a plot of recovery factor (RF) vs. 1&#x2212;(MMP&#x2212;P)/MMP wherein P is the operating pressure of the reservoir having at least one of the plurality of injected gases, wherein 1&#x2212;(MMP&#x2212;P)/MMP is a dimensionless pressure, wherein the plot has a y-intercept and slope, obtaining a recovery factor equation RF=i+s(1&#x2212;(MMP&#x2212;P)/MMP) wherein i is the y-intercept and s is the slope, determining a value for i, determining a value for s and calculating the recovery factor.

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Richmond, TX, United States of America

Peter Harold Doe