Abstract

ABSTRACT The kinetic characteristics of crude oil pyrolysis experiments form the basis for quantitative analysis of shale oil content in Rock-Eval pyrolysis experiments. To study the thermal evaporation kinetics of crude oil in shale, pyrolysis experiments of whole source rock sample and post-extracted sample were carried out on Rock-Eval 6 with the heating rates of 5, 15 and 25°C min−1, respectively. The thermal evaporation of crude oil can be described using a parallel first-order reaction model. A simple method for calculating the kinetic characteristics of the thermal evaporation of extracted crude oil is proposed.

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