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Carbon isotopic constraints on CO2 degassing in cold-water geysers, Green River, Utah

Assayag, Nelly and Bickle, Mike and Kampman, Niko and Becker, John (2009) Carbon isotopic constraints on CO2 degassing in cold-water geysers, Green River, Utah. Energy Procedia, 1 (1). pp. 2361-2366. ISSN 1876-6102

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Abstract

Cold-water geysers at Green River, in east central Utah are sourced by natural springs situated along the Little Grand Wash and Salt Wash faults zones, as well as abandoned oil and water wells. The intermittent geysers are driven by degassing of CO2 from CO2-rich waters sourced from the Jurassic Navajo sandstone. Here we discuss use of del13C analyses of water and gases to estimate the depth at which the ascending waters become CO2 saturated. This is a potentially important control in the unlikely event of rapid CO2 escape from CO2 reservoirs. In Green River, it is also important for calculation of the kinetics of fluid-mineral reactions in the Navajo sandstone as an analogue for predicting the fate of CO2 in carbon storage reservoirs

Item Type: Article
Journal or Publication Title: Energy Procedia
Uncontrolled Keywords: CO2 degassing ; CO2 natural analogue ; Dissolved inorganic carbon ; Stable isotope
Subjects:
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 66491
Deposited By: ep_importer_pure
Deposited On: 17 Sep 2013 10:32
Refereed?: Yes
Published?: Published
Last Modified: 21 Sep 2017 05:48
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/66491

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