Abstract:Wellbore integrity is one of the most critical factors for CO 2 storage, subsurface resource extraction, and waste disposal. Wellbore integrity monitoring is challenging due to the general inaccessibility and high cost of welllogging operation in complex subsurface conditions. In this study, we tested a novel non-invasive approach for wellbore-integrity assessment based on time-domain reflectometry (TDR) method. With this method, a highfrequency electromagnetic pulse is sent into the borehole casing, and the r… Show more
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