Natural gas of radiolytic origin: An overlooked component of shale gas-Reference-Cited by-同舟云学术

Natural gas of radiolytic origin: An overlooked component of shale gas

Published:2022-04-04 Issue:15 Volume:119 Page:
ISSN:0027-8424
Container-title:Proceedings of the National Academy of Sciences
language:en
Short-container-title:Proc. Natl. Acad. Sci. U.S.A.

Author:

Naumenko-Dèzes Maria¹^ORCID,Kloppmann Wolfram¹^ORCID,Blessing Michaela¹^ORCID,Bondu Raphaël¹^ORCID,Gaucher Eric C.²^ORCID,Mayer Bernhard³^ORCID

Affiliation:

1. Water, Environment, Process Development and Analysis Division, Bureau de recherches géologiques et minières (BRGM), 45100 Orléans, France

2. Rock-Water Interaction Group, Institute of Geological Sciences, University of Bern, CH-3012 Bern, Switzerland

3. Department of Geoscience, University of Calgary, Calgary, AB, Canada T2N 1N4

Abstract

SignificanceNatural gas is a key fossil fuel as the world transitions away from coal toward less polluting energy sources in an attempt to minimize the impact of global climate change. Historically, the origin of natural gas produced from conventional reservoirs has been determined based on gas compositional data and stable isotope fingerprints of methane, ethane, and highern-alkanes, revealing three dominant sources of natural gas: microbial, thermogenic, and abiotic. In our detailed synthesis of published natural gas data from a variety of unconventional hydrocarbon reservoirs worldwide, we demonstrate that there is a previously overlooked source of natural gas that is generated by radiolysis of organic matter in shales.

Funder

European Commission

Publisher

Proceedings of the National Academy of Sciences

Subject

Multidisciplinary

Link

https://pnas.org/doi/pdf/10.1073/pnas.2114720119

Reference64 articles.

1. Geochemistry of shale gases from around the world: Composition, origins, isotope reversals and rollovers, and implications for the exploration of shale plays

2. Methane generation from low-maturity coals and shale source rocks at low temperatures (80–120 °C) over 14–38 months

3. ABIOTIC METHANE ON EARTH