FIELD: analysis.
SUBSTANCE: invention relates to methods for determination of a composition of a hydrocarbon fluid mixture. The method for determination of a composition of a hydrocarbon fluid mixture includes obtainment of chromatographic data of at least one hydrocarbon fluid of an individual reservoir; obtainment of chromatographic data of at least five samples of hydrocarbon fluids, a composition of which should be determined, including hydrocarbon fluid of the individual reservoir; determination of a proportion of at least one hydrocarbon fluid of the individual reservoir in the composition of at least five samples of hydrocarbon fluids by combined processing of chromatographic data of hydrocarbon fluid of the individual reservoir and at least five samples of hydrocarbon fluids by a method for multidimensional resolution of curves with alternating least squares.
EFFECT: possibility of determination of a composition of a hydrocarbon fluid mixture, a proportion of individual hydrocarbon (reservoir) fluids.
18 cl, 6 dwg, 7 tbl
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