June 8, 2020
Have you wondered why the density of the set cement may be lower than designed in high temperature sedimentation tests? Have you ever noticed that slurry […]
January 10, 2020
Introduction For annular gas migration to occur (red zone) three conditions must be met as shown in the diagram above. The hydrostatic pressure (PH) in the […]
November 19, 2018
The fourth article in the series linking chemical shrinkage of cement systems to well integrity and zonal isolation covers the use of expanding agents. The articles […]
September 23, 2018
Bulk volume change of hydrating Portland cement systems The third article in the series linking chemical shrinkage of cement systems to well integrity and zonal isolation. […]
September 4, 2018
Chemical shrinkage during hydration of Portland cement This is the second article in the series linking the chemical shrinkage of hydrating Portland cement systems to well […]
July 17, 2018
Shrinkage and expansion of Portland cement systems The chemical shrinkage of hydrating Portland cement systems, the resulting bulk volume changes and the potential consequences for hydraulic […]
