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| Titel |
EM Methods Applied for the Characterization and Monitoring of the Hontomin (Spain) CO2 Storage Pilot Plant |
| VerfasserIn |
Juanjo Ledo, Pilar Queralt, Alex Marcuello, Xènia Ogaya, Eloi Vilamajo, David Bosch, Lena Escalas, Perla Piña |
| Konferenz |
EGU General Assembly 2013
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 15 (2013) |
| Datensatznummer |
250076132
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| Zusammenfassung |
| The work presented here correspond to an on-going project in the frame of the development of a pilot plant for CO2 storage in a deep saline aquifer funded by Fundación Ciudad de la Energía–CIUDEN (http://www.ciuden.es/) on behalf of the Spanish Government. The main objective of the research Project is to monitor the CO2 migration within the reservoir during and after the injection as well as testing and evaluating different EM monitoring methods. In this way, a good characterization of the zone is imperative to perceive and quantify, as soon as possible, any change owing to the CO2 injection. Among all geophysical techniques, electrical and electromagnetic methods are especially useful and meaningful to
monitor the CO2 plume since these methods are sensitive to the electrical conductivity of the pore fluid. The presence of CO2 inside the pore will replace a fraction of saline fluid within the storage aquifer, reducing the effective volume available for ionic transport. As a consequence, the bulk electrical resistivity of the rock is expected to increase significantly. The proposed EM techniques are the following: 1- Magnetotelluric method, 2-Cross-hole electrical resistivity tomography, 3- Control source electromagnetics. Moreover laboratory experiments are being carried out to monitor the CO2 flux inside sample cores using ERT. |
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