A simple analytical approach to calculate the kinetic thermal evaporation parameters of extractable crude oil from shale

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.