Gary Energy Corporation has conducted for the U.S. Department of Energy an evaluation of the technology available to measure residual oil saturation following waterflood secondary oil recovery processes in the Bell Creek Field, Powder River County, Montana.

This paper presents the results of ten stand alone tests conducted to determine waterflood residual oil saturation. The engineering techniques used in an attempt to determine the magnitude and distribution of the remaining oil saturation included pressure cores, conventional openhole logs, Carbon-Oxygen logs, Dielectric logs, the Nuclear Magnetism log, Thermal Decay Time logs and a Partitioning Tracer test.

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