Improved shale reservoir training has been declared as a critical requirement for meeting future oil and gas demands. Shale Oil & Gas Reservoirs: Criteria and Cutoffs, answers that call by addressing the reservoir characteristics, lab tests, and critical evaluation concepts that are somewhat unique to shale oil & gas plays. The presented information is concise, practical, and primarily intended for those directly engaged in ranking, valuing, or optimizing shale development opportunities. The book reviews and expands upon key topics the author covers in shale training courses, which have been conducted in a dozen different countries for hundreds of industry professionals.