Well integrity is crucial for the security of CO2 storage in geological formations. Therefore, petrophysical, geochemical and mineralogical properties of sedimentary rocks and well cement are analysed. These properties are required to characterize and evaluate geological reservoir structures and well installations. The goal of the experiment COBRA is to test different concepts in full scale experiments to evaluate potential leakage pathways around well facilities and finally predict integrity. Injection related modifications of rock and cement properties might have significant influence on the long-term integrity of reservoirs. In this context, a database of physical and chemical results of the small scale experiment of rocks and well cements is presented.


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