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Oilfield Glossary
Oilfield Glossary
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dehydration

1. n. [Drilling Fluids]
The loss of water from cement slurry or drilling fluid by the process of filtration. Dehydration results in the deposition of a filter cake and loss of the slurrys internal fluid into a porous matrix. The cement is not completely dehydrated because sufficient water remains to allow setting of the cement.