Feasibility of Monitoring the Hontomin (Burgos, Spain) CO sub(2) Storage Site Using a Deep EM Source

Geophysical methods have been used experimentally during the last decade, a period of strong development, being adopted as complementary techniques for characterizing and monitoring hydrocarbon and gas reservoirs. In this study, we evaluated the ability of the controlled source electromagnetic (CSEM...

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Bibliographic Details
Published in:Surveys in geophysics 2013-07, Vol.34 (4), p.441-461
Main Authors: Vilamajo, Eloi, Queralt, Pilar, Ledo, Juanjo, Marcuello, Alex
Format: Article
Language:English
Subjects:
Carbon capture and storage
Carbon dioxide
Electrical resistivity
Geoelectricity
Monitoring
Monitors
Plumes
Reservoirs
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Summary:Geophysical methods have been used experimentally during the last decade, a period of strong development, being adopted as complementary techniques for characterizing and monitoring hydrocarbon and gas reservoirs. In this study, we evaluated the ability of the controlled source electromagnetic (CSEM) method to monitor the storage of CO sub(2) at the Research Laboratory on Geological Storage of CO sub(2) at Hontomin (Burgos, Spain). Two aspects of the CSEM monitoring were examined considering the geoelectrical structure at the site, the technological constraints and the noise conditions of the Hontomin area. Borehole-to-surface simulations were performed to evaluate the detectability of the resistivity changes in the reservoir and the capacity to determine the location of the CO sub(2) plume. The synthetic time-lapse study explores the possibilities of CSEM monitoring with a deep electric source. Three depths of the source are analyzed: above the plume, inside the plume, and beneath the stored CO sub(2). In terms of the Hontomin storage site, the study confirmed that a deep electric source located beneath the injection depth can provide valuable information on the behavior of the stored CO sub(2.)
ISSN:0169-3298
1573-0956
DOI:10.1007/s10712-013-9238-y