This paper presents the first results of an ongoing experimental work at IFE for developing new tracers to be used for estimation of remaining oil saturation. The methodology is based on the chromatographic theory, which states that various components flowing through porous media will be delayed according to their partition coefficient to the immobile phase. Two experiments, one with gas tracers and the other with water tracers, are presented here, demonstrating the applicability of the methodology in the laboratory scale. Moreover, a numerical model (ITRC-SIM module) developed at IFE especially for simulating the tracer flow in hydrocarbon reservoirs is validated against the experimental data and used to demonstrate the use of tracers in small and field scale generic cases.

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