AUTHOR=Farouk Sherif , Ahmed Saada Saada , Arafat Mohamed , Al-Kahtany Khaled , Gentzis Thomas , Zaky Amr S. , Jovane Luigi TITLE=Thermal maturity and gas generation in Upper Cretaceous formations of the Beni Suef Basin, Egypt: insights from stable carbon isotopes and geochemical analysis of the Azhar-E1X well JOURNAL=Frontiers in Earth Science VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1552662 DOI=10.3389/feart.2025.1552662 ISSN=2296-6463