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Oilfield Glossary
Oilfield Glossary
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Blaine fineness

1. n. [Drilling Fluids]
The particle size or fineness of a cement in cm2/g or m2/kg, usually determined from air permeability tests using a device known as a Blaine permeameter. Fineness affects the hydration rate (setting) and the requirements for the amounts of water, retarder and dispersant.