The external and internal alterations may affect the wellbore cement stability throughout the setting period. These alterations generate micro/macro fractures in the cement matrix. Such situation, known as Sustained Casing Pressure (SCP), may result in creating pathways for any undesired formation fluid flow through surface and/or other formation(s) behind the casing annulus. The cement exothermic heat development is one of the probable internal alteration to cause SCP evolution.
Modelling the Effect Additives on Exothermic Heat Development of Well Cement
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Asadov, Sardar, and Mustafa Hakan Ozyurtkan. "Modelling the Effect Additives on Exothermic Heat Development of Well Cement." Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, San Francisco, California, USA, June 2017.
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