18 July 2017

Cement case

To fill the annulus between the casing and wall of the hole with cement to support the casing and prevent fluid migration between permeable zones.
18 July 2017

Cement channeling

When casing is being cemented in a borehole, the cement slurry can fail to rise uniformly between the casing and the borehole wall, leaving spaces devoid […]
18 July 2017

Cementing

The application of a liquid slurry of cement and water to various points inside or outside the casing. See Primary cementing, Secondary cementing, Squeeze cementing.
18 July 2017

Centralizers

Spring steel guides which are attached to casing and which serve to keep it centered in the hole.