Articles | Volume 62
https://doi.org/10.5194/adgeo-62-71-2024
https://doi.org/10.5194/adgeo-62-71-2024
30 Jan 2024
 | 30 Jan 2024

Multi-salinity core flooding study in clay-bearing sandstones, a contribution to geothermal reservoir characterisation

Daniela Navarro-Perez, Quentin Fisher, Samuel Allshorn, Carlos Grattoni, and Piroska Lorinczi

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Short summary
A multi-salinity experiment was conducted in three tight clay-bearing (kaolinite, chlorite, and glauconite) sandstones to study the impact of clay on their petrophysical properties. Chlorite sandstone presented higher electrochemical interaction, followed by glauconite and kaolinite. In the geothermal context, this investigation highlights the importance of ensuring that the correct fluid chemistry is used in clay-bearing geothermal reservoirs.