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The utility of methane clumped isotopes to constrain the origins of methane in natural gas accumulations

Stolper, Daniel A. and Lawson, Michael and Formolo, Michael J. and Davis, Cara L. and Douglas, Peter M. J. and Eiler, John M. (2017) The utility of methane clumped isotopes to constrain the origins of methane in natural gas accumulations. In: From Source to Seep: Geochemical Applications in Hydrocarbon Systems. Geological Society special publication. No.468. Geological Society , London, pp. 23-52. ISBN 978-1-78620-366-3. http://resolver.caltech.edu/CaltechAUTHORS:20180605-074845561

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Abstract

Methane clumped-isotope compositions provide a new approach to understanding the formational conditions of methane from both biogenic and thermogenic sources. Under some conditions, these compositions can be used to reconstruct the formational temperatures of the gas, and this capability can be applied to common subsets of both biogenic and thermogenic systems. Additionally, there are examples in which clumped-isotope compositions do not reflect gas-formation temperatures but instead mixing effects and kinetic phenomena; such kinetic effects also occur in common and recognizable subtypes of biogenic and thermogenic gases. Here we review the use of methane clumped-isotope measurements for understanding the origin of methane in the subsurface. We review methane clumped-isotope measurements from numerous biogenic and thermogenic natural gas reservoirs. We then place these measurements in the context of common frameworks for identifying the formational conditions of methane including the use of methane δ^(13)C and δD values and C_1/C_(2–3) ratios. Finally, we propose a framework for how methane clumped isotopes can be used to identify the origin of methane accumulations.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1144/SP468.3DOIArticle
ORCID:
AuthorORCID
Stolper, Daniel A.0000-0003-3299-3177
Additional Information:© 2018 ExxonMobil Upstream Research Company. Published by The Geological Society of London.
Record Number:CaltechAUTHORS:20180605-074845561
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20180605-074845561
Official Citation:The utility of methane clumped isotopes to constrain the origins of methane in natural gas accumulations Daniel A. Stolper, Michael Lawson, Michael J. Formolo, Cara L. Davis, Peter M. J. Douglas and John M. Eiler Geological Society, London, Special Publications, 468, 23-52, 14 December 2017, https://doi.org/10.1144/SP468.3
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:86792
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:05 Jun 2018 14:54
Last Modified:05 Jun 2018 14:54

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