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Selecting recipes of cement slurry for sealing casing columns in wellbores used for CCS.

Małgorzata Formela, Stanisław Stryczek, Rafał Wiśniowski, Anna Pikłowska

Vol. 33, no. 3 (2016), s. 609-617

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Cement sheath serves primarily as a zonal isolation for the life of the well while protecting and supporting the casing. Nowadays, more and more solutions in the term of different cement slurries compositions appear on the market. One of them is application of fluid ashes as an alternative substitution of cement itself. The purpose of it is to overcome a challenging environment where a high concentration of corrosive gases or fluids exist. An example of that aggressive substance is carbon dioxide. Moreover, this is how it might reduce the cost of the cementing process. Laboratory research was conducted at the Drilling, Oil and Gas Faculty and Materials Science and Ceramics Faculty at AGH University of Science and Technology in Krakow.