Swapping water for CO2 could make fracking greener and more effective – Phys.org

A shale sample ready for fracturing with CO2. Credit: Xuehang Song Scientists at the Chinese Academy of Sciences and China University of Petroleum (Beijing) have demonstrated that CO2 may make a better hydraulic fracturing (fracking) fluid than water. Their research, published May 30 in the journal Joule, could help pave the way for a more …

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