دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The creation of voids in the cement between the casing and the borehole, thereby reducing the effectiveness of the cement bond.

n: 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, or channels, devoid of cement. Ideally, the cement should completely and uniformly surround the casing and form a strong bond to the borehole wall. See cement channeling.

n: See cement channeling.