AUTHOR=Neupane Bhupati TITLE=Editorial: Advances in exploration and exploitation of deep and ultra-deep shale oil and gas JOURNAL=Frontiers in Earth Science VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2023.1205217 DOI=10.3389/feart.2023.1205217 ISSN=2296-6463