Carbon capture and sequestration (CCS) is widely recognized as an important component of technological approaches to directly address carbon dioxide (CO2) emissions. The geologic sequestration aspect of CCS requires careful site selection and assessment of processes when planning a CCS project, including coupled fluid flow-thermal-geochemical-geomechanical phenomena. In this paper, we present a high-level overview of carbon capture utilization and sequestration (CCUS): the geologic sequestration aspect, global projects/facilities, regulatory framework, and financial incentives for CCUS. We review the current research areas in geomechanics (including pore pressure-stress coupling, fault reactivation, and caprock integrity) associated with geologic CO2 sequestration and discuss the role of rock physics in monitoring, verification, and accounting activities. Finally, we suggest research needs that are critical to facilitating the deployment of CCS and improving geomechanical assessments of CO2 sequestration sites.
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