This report provides a detailed review of the stratigraphic and structural attributes and controls on productivity and future potential of the Cleveland Formation and Marmaton Group by integrating chronostratigraphic, depositional-facies, and play analysis. Its authors used a data set consisting of 1,127 wells and 5 conventional cores with ~250 ft of section from the Cleveland Formation, along with production data from more than 900 wells in the Cleveland and Marmaton.