Application of Compressible Carbon in Cement to Mitigate Cement Pore Pressure Reduction and Improve Zonal Isolation
Q. Wu,
B. J. O'Donnell,
D. A. Stiles
et al.
Abstract:A quality cement job is essential to ensure long-term zonal isolation in oil/gas and carbon storage wells.This may be affected by the cement hydration process, where water is consumed causing pore pressure reduction, and shrinkage, which increases the risk of fluid/gas invasion, formation of micro-annuli and even the risk of shear bond strength reduction.This paper presents the application of compressible carbon particles as a cement additive to mitigate cement pore pressure reduction and improve zonal isolati… Show more
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