Articles | Volume 7, issue 3
Research article
09 Jun 2016
Research article |  | 09 Jun 2016

Joint interpretation of magnetotelluric, seismic, and well-log data in Hontomín (Spain)

Xènia Ogaya, Juan Alcalde, Ignacio Marzán, Juanjo Ledo, Pilar Queralt, Alex Marcuello, David Martí, Eduard Saura, Ramon Carbonell, and Beatriz Benjumea

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Cited articles

Alcalde, J., Martí, D., Calahorrano, A., Marzán, I., Ayarza, P., Carbonell, R., Juhlin, C., and Pérez-Estaún, A.: Active seismic characterization experiments of the Hontomín research facility for geological storage of CO2, Spain, Int. J. Greenh. Gas Con., 19, 785–795, 2013a.
Alcalde, J., Martí, D., Juhlin, C., Malehmir, A., Sopher, D., Saura, E., Marzán, I., Ayarza, P., Calahorrano, A., Pérez-Estaún, A., and Carbonell, R.: 3-D reflection seismic imaging of the Hontomín structure in the Basque-Cantabrian Basin (Spain), Solid Earth, 4, 481–496,, 2013b.
Alcalde, J., Marzán, I., Saura, E., Martí, D., Ayarza, P., Juhlin, C., Pérez-Estaún, A., and Carbonell, R.: 3-D geological characterization of the Hontomín CO2 storage site, Spain: Multidisciplinary approach from seismic, well-log and regional data, Tectonophysics, 627, 6–25,, 2014.
Bedrosian, P. A.: MT+, Integrating Magnetotellurics to determine Earth Structure, Physical State and, Processes, Surv. Geophys., 28, 121–167,, 2007.
Benjumea, B., Macau, A., Gabàs, A., and Figueras, S.: Characterization of a complex near-surface structure using well logging and passive seismic measurements, Solid Earth, 7, 685–701,, 2016.
Short summary
This paper explores the compatibility of seismic and magnetotelluric methods across scales highlighting the importance of joint interpretation in reservoir characterisation. The combination of the two methods together with well-log data at the Hontomín CO2 storage pilot plant (Spain) allowed a detailed characterisation of the shallow subsurface and defined the structural and fluid flow characteristics of the existing faults, which are key aspects for the risk assessment of the site.