Hydraulic isolation of wells drilled with nonaqueous fluids (NAFs) relies heavily on eliminating mud from the annuli before placing cement. Failure to expel all NAFs results in residual fluid channels that may compromise well integrity and can serve as nonproductive communication pathways during subsequent stimulation treatments. This paper presents an interactive cementing system (ICS) that is designed to mitigate these risks by reducing conductivity of the residual mud channels.

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