IEA Greenhouse Gas R&D Programme


2018-02 Front Cover Website

CO2 Storage Efficiency in Deep Saline Formations – Stage 2

A key determinant for CO2 storage in deep saline formations (DSFs) is dynamic efficiency (E factor) – that is the effect that increased pressure caused by fluid injection has on the storage capacity of a formation.  The storage capacity will always be limited by the pressure limit imposed by the geomechanical strength of the caprock, which is defined as the fracture pressure.  

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