Author : Stephan Harold Nordeng
Release : 2013
Genre : Bakken Formation
Kind : eBook
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Book Synopsis Evaluating Source Rock Maturity Using Multi-sample Kinetic Parameters from the Bakken Formation (Miss.-Dev.), Williston Basin, ND by : Stephan Harold Nordeng

Download or read book Evaluating Source Rock Maturity Using Multi-sample Kinetic Parameters from the Bakken Formation (Miss.-Dev.), Williston Basin, ND written by Stephan Harold Nordeng. This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt: Ten samples of shale from the Bakken (Miss.-Dev.) Formation were analyzed using LECO TOC, Rock Eval 6, and multiple heating rate pyrolysis. The results indicate that within a single well penetrating thermally immature source rock, the frequency factor and activation energy vary in a log-linear fashion. Another sample from a similarly immature core produced almost identical kinetic parameters. A second sample set collected from thermally “mature” portions of the Bakken Formation followed a separate trend. These results suggest that subtle variations in kerogen composition are responsible for the observed covariance in the activation energy and natural logarithm of the frequency factor within a single well. The results also suggest that thermal maturation results in shift in kerogen kinetic parameters to higher activation energies and larger frequency factors. This shift results in a conspicuously different set of kinetic parameters between the more mature and less mature sample suites.