Produced Gas and Condensate Geochemistry of the Marcellus Formation in the Appalachian Basin: Insights into Petroleum Maturity, Migration, and Alteration in an Unconventional Shale Reservoir

This study delves into the notable Middle Devonian Marcellus Formation, a significant hydrocarbon reservoir in the Appalachian basin. As one of the leading gas producers in the U.S., its fluid chemistry exhibits regional distinctions, underscoring variations in thermal maturity and hydrocarbon transformation. The research sheds light on the wet and dry gas regions, unveiling the nuances of oil cracking and intricate hydrocarbon evolutions. Isotopic patterns and noble gas compositions further offer insight into the processes and interactions occurring within this formation. Through this research, readers will gain an enriched understanding of the Marcellus Formation's geochemical intricacies and its impactful role in the energy sector.