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NCCS Webinar - Cement bonding tensile strength investigation

The webinar will present results from this year's laboratory campaign investigating the strength of the cement-to-shale interface.


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Presenter: Pierre Rolf Cerasi, SINTEF Industry

This interface has been identified as the weakest link in maintaining CO2 containment in its intended reservoir. Indeed, while the risk for leakage through the caprock is negligible if both containment pressure evolution and caprock properties are well chosen and designed, debonding of cement immediately above the reservoir is more likely to occur. The cement sheath itself has been shown to heal by carbonation in the event of bulk cracks forming, but the interface with the rock is believed to have low tensile strength.

However, little or no laboratory data exist quantifying this strength, which is a vital input parameter for modelling purposes. A series of direct tensile strength measurements will be presented here, with focus on the developed methodology and detailed analysis of the interface after testing carried out by SEM imagery.

  • The webinar will be open 10 minutes prior to start.
  • Interested, but can't attend? Register anyway, and we'll send you a link to the recording.
  • The webinar is open to NCCS partners, only.

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