Nanoscale Analysis of Shale Matrix Alteration after Supercritical CO2Treatment: Implications for scCO2Fracturing in Shales
Shoaib Memon,
Michael Verrall,
Maxim Lebedev
et al.
Abstract:Utilizing supercritical CO 2 instead of water for shale gas stimulation has been proposed as a potential alternative. Understanding the scCO 2 −shale interaction during fracturing and its response to micromechanical as well as mineralogical properties of the rock is crucial to improve its application. To achieve this goal, dry scCO 2 soaking experiments were carried out on two distinct shale samples (Eagleford and Mancos) for a 24 h duration. Multiple characterization techniques, including nanoindentation, sca… Show more
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