Pyrolytic Evidence for Unsubstituted Aromatics as Potential Oil-Oil/Source Correlation Indicators.

ABSTRACT: Most oil source correlation indicators are invalid because of the high maturity of the deep marine strata. Thus, a suitable indicator with high thermal stability requires to be established. In this study, to understand the effect of thermal maturation on the carbon isotopic composition of unsubstituted aromatics, we performed a number of anhydrous thermal simulation experiments involving two typical Chinese shales (lacustrine and marine shales), their corresponding expelled oils, three crude oils, and their associated oil fractions, that is, saturates, aromatics, resins, and asphaltenes (SARA). The generated unsubstituted aromatics were examined in terms of molecular distributions and carbon isotopic composition. The results show that unsubstituted aromatics in different types of samples d

SUBMITTER: Chen Y 

PROVIDER: S-EPMC9219099 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature