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    CO2 sequestration in basaltic rocks in Iceland: Development of a piston-type downhole sampler for CO2 rich fluids and tracers

    183288_57035_alfredsson_et_al_2011.pdf (896.1Kb)
    Access Status
    Open access
    Authors
    Alfredsson, H.
    Wolff-Boenisch, Domenik
    Stefansson, A.
    Date
    2011
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Alfredsson, H.A. and Wolff-Boenisch, D. and Stefansson, A. 2011. CO2 sequestration in basaltic rocks in Iceland: Development of a piston-type downhole sampler for CO2 rich fluids and tracers. Energy Procedia. 4: pp. 3510-3517.
    Source Title
    Energy Procedia
    DOI
    10.1016/j.egypro.2011.02.278
    ISSN
    1876-6102
    School
    Department of Applied Geology
    Remarks

    This article is published under the Open Access publishing model and distributed under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by-nc-nd/3.0/. Please refer to the licence to obtain terms for any further reuse or distribution of this work.

    URI
    http://hdl.handle.net/20.500.11937/30117
    Collection
    • Curtin Research Publications
    Abstract

    The reduction of atmospheric CO2 is one of the challenges that scientists face today. University of Iceland, Reykjavik Energy, CNRS in Toulouse and Columbia University have started a cooperative project called CarbFix (www.carbfix.com) aiming at CO2 mineral sequestration into basalts at Hellisheidi, SW Iceland. Gaseous CO2 will be injected into a borehole where it will be carbonated with Icelandic groundwater. The CO2 charged injection fluid will be released into the target aquifer at ca. 500 m depth at about 35°C and 40 bar. The aim is to permanently bind CO2 into carbonates upon water-rock interaction. In order to evaluate the hydro-geochemical patterns and proportions of CO2 mineralization in the aquifer, full scale monitoring is needed. This will involve monitoring of conservative and gas tracers injected with the carbonated fluid, isotope ratios and major and trace elemental chemistry. A crucial issue of the monitoring is the quality of the sampling at depth and under pressure. Commonly, gas bubbles are observed when using commercial downhole samplers (bailers) and in order to avoid this problem, a piston-type downhole bailer was designed, constructed and tested as part of the project.

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    • The syringe sampler: An inexpensive alternative borehole sampling technique for CO2-rich fluids during mineral carbon storage
      Alfredsson, H.; Mesfin, K.; Wolff-Boenisch, Domenik (2015)
      Mineral carbon storage involves the dissolution of injected gaseous or supercritical CO2 followed by interaction of the carbonated solution with the host rock at depth resulting in the precipitation of carbonate minerals. ...
    • The CarbFix pilot project: Storing carbon dioxide in basalt
      Matter, J.; Broecker, W.; Gislason, S.; Gunnlaugsson, E.; Oelkers, E.; Stute, M.; Sigurdardottir, H.; Stefansson, A.; Alfreðsson, H.; Aradottir, E.; Axelsson, G.; Sigfusson, B.; Wolff-Boenisch, Domenik (2011)
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    • Flow-through reactor experiments on basalt-(sea)water-CO2 reactions at 90 °C and neutral pH. What happens to the basalt pore space under post-injection conditions?
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      Recent publications on the successful mineralisation of carbon dioxide in basalts in Iceland and Washington State, USA, have shown that mineral storage can be a serious alternative to more mainstream geologic carbon storage ...
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