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foamed cement
1.
n.
[Drilling Fluids]
ID: 11118
A
homogeneous
, ultralightweight
cement
system consisting of base cement
slurry
, gas (usually nitrogen) and surfactants. Foamed cements are commonly used to cement wells that penetrate weak rocks or formations with low
formation
-
fracture
gradients.
See:
fracture gradient
,
surfactant
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