Improving basalt wettability to de-risk CO2 geo-storage in basaltic formations

CO2 geo-storage in basaltic formations has recently been identi?ed as a viable option to rapidly dispose large quantities of , hence mitigating anthropogenic emissions. However, it shown that basalt is weakly water-wet or intermediate-wet at typical storage conditions, which reduces capillary trapping capacities and increases lateral vertical spreading the plume; these effects increase project risk. We thus propose here prime surfaces with anionic surfactant (here we used sodium dodecyl benzene sulfonate), demonstrate such priming highly ef?cient, renders completely even high pressures minute sulfonate concentrations. Such wettability alteration can therefore signi?cantly de-risk projects. This work aids improvement supports implementation industrial-scale geo-sequestration climate change mitigation. Cited as: Iglauer, S., Al-Yaseri, A. Improving formations. Advances Geo-Energy Research, 2021, 5(3): 347-350, doi: 10.46690/ager.2021.03.09