Abstract

Abstract The Plains CO 2 Reduction (PCOR) Partnership, led by the Energy & Environmental Research Center (EERC), is working with Denbury Onshore LLC (Denbury) and Schlumberger Carbon Services to study monitoring, verification, and accounting (MVA) of CO 2 storage associated with a commercial enhanced oil recovery project at the Denbury-operated Bell Creek oil field located in southeastern Montana. MVA techniques such as time-lapse pulsed-neutron logs (PNLs) have helped to update the local stratigraphy, guide a repeat vertical seismic profile, monitor changes in oil and gas saturations near the wellbore, and further guide additional PNL monitor passes.

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