CO2 – brine – sandstone wettability evaluation at reservoir conditions via Nuclear Magnetic Resonance measurements

A. Baban,A. Al-Yaseri,A. Keshavarz,R. Amin,S. Iglauer

International Journal of Greenhouse Gas Control（2021）

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摘要

•CO2-saturated brine significantly reduced hydrophilicity of sandstone•Sandstone is significantly less hydrophilic when exposed to CO2-water mixtures•Sandstone is originally strongly water-wet but turns weakly water-wet when CO2 is present at reservoir conditions

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关键词

Wettability,Nuclear Magnetic Resonance,Carbone dioxide (CO2),geo-sequestration,Carbon Capture and Storage (CCS),Sandstone

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