A geological evaluation of Jurassic Shale Oil Plays in the south of England.

An integrated geological and petrophysical workflow was used to evaluate the Jurassic shale plays in southern England. It illustrates how sedimentological and electrofacies interpretations were integrated with QEMSCAN data to significantly improve petrophysical interpretations and TOC estimates from logs using the CARBOLOG method. Reservoir quality risk maps were based on the sedimentological facies and log-derived elastic properties. Additionally, source quality and maturity were combined to create generation risk maps. The risk for ground water contamination was evaluated and was combined with the reservoir and generation risk maps to create common risk segment maps and identify the "sweet spots".