19–22 May 2025
US/Mountain timezone

Small heterogeneities with large impacts on CO2 flow and trapping

21 May 2025, 14:50
15m
Oral Presentation (MS26) Mechanisms Across Scales in Subsurface CO2 storage: A Special Session in Honor of Sally Benson MS26

Speaker

Sam Krevor

Description

In this presentation I will argue that small, centimetre scale, heterogeneities in multiphase flow properties will have field scale impacts on the movement of CO2 injected underground. I will demonstrate our characterisation and modelling workflows in application to simulations of CO2 storage sites of the offshore UK (An et al., 2023; Wenck et al., 2025). In search of a validating case study, my research group has been reinterpreting seismic imagery from the Decatur CO2 storage site in the USA (Bukar et al., 2025). I will show results of our application of an interpretation of the time-shifts from seismic surveys at this site. This has revealed CO2 migration along faults, allowing the plume to bypass lower quality units within the reservoir.

An, S., Wenck, N., Manoorkar, S., Berg, S., Taberner, C., Pini, R., & Krevor, S. (2023). Inverse modeling of core flood experiments for predictive models of sandstone and carbonate rocks. Water Resources Research, 59(12), e2023WR035526

Bukar, I., Bell, R. E., Muggeridge, A., & Krevor, S. (2025). Carbon dioxide migration along faults at the Illinois Basin–Decatur Project revealed using time shift analysis of seismic monitoring data. Geophysical Research Letters, in Press

Wenck, N., Muggeridge, A. H., Jackson, S. J., An, S., & Krevor, S. (2025). The Impact of Capillary Heterogeneity on CO2 plume migration at the Endurance CO2 storage Site in the UK. Geoenergy, in Press

Country United Kingdom
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Primary author

Sam Krevor

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