Avaliação geoquímica de óleos brasileiros com ênfase nos hidrocarbonetos aromáticos

AUTOR(ES)

Heckmann, Jean Romei, Landau, Luiz, Gonçalves, Félix Thadeu Teixeira, Pereira, Ricardo, Azevedo, Débora de Almeida

FONTE

Química Nova

DATA DE PUBLICAÇÃO

2011

RESUMO

Aromatic compounds are still poorly evaluated in geochemical studies of Brazilian oil samples. For this reason, the objective of this work was to analyze and evaluate 26 oil samples from four Brazilian sedimentary basins. Aromatic hydrocarbon fractions have been analyzed by gas chromatography coupled to mass spectrometry. The results were also compared with previously evaluated saturated hydrocarbon data. Maturation parameters obtained using the 4- and 1-methyl-dibenzothiophenes and trimethyl-dibenzothiophenes led to the best results because a better grouping was observed. For this correlation, the samples were grouped by maturity degree enabling the routine use of these parameters to evaluate oil maturity levels.

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