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Oilfield Glossary
Oilfield Glossary
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portland cement clinker

1. n. [Drilling Fluids]
Hard granular nodules composed essentially of hydraulic calcium silicates, with smaller quantities of calcium aluminates and ferrites. Portland cement clinker is produced by the heat treatment of cement raw materials in a kiln. Clinker is pulverized with gypsum in the manufacture of portland cement.