TBP (True Boiling Point) analysis is considered a reliable method for characterizing crude oil and its fractions. It determines boiling point distribution using the ASTM (American Society for Testing and Materials) D–2892 standard instrument. This method is expensive and time–consuming, making it unsuitable for quick estimations of crude oil distillation characteristics. An alternative, ASTM D–86, is a faster and easier method for analyzing crude oil and converting its data to TBP data. In this paper, fourteen samples of Libyan crude oil were characterized by using ASTM D–86 and TBP distillation. The study tested the Riazi–Dabuert method for converting ASTM D–86 to TBP distillation data across the entire distillation curve. The Riazi distribution model accurately predicted the full–range distillation curve, with an R2 value greater than 0.99.
Crude oil, characterization, distillation, true boiling point, ASTM D–2892, ASTM D–86
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