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water-based mud

1. n. [Drilling Fluids]

A drilling fluid (mud) in which water or saltwater is the major liquid phase as well as the wetting (external) phase. General categories of water-base muds are fresh water, seawater, salt water, lime, potassium and silicate. Subcategorizes of these abound.

Synonyms: water-based drilling fluid

See related terms: lime mud,  low-solids mud,  low-solids, nondispersed mud,  potassium mud,  saltwater mud,  spotting fluid

Classification chart for water-based drilling fluids.
Classification chart for water-based drilling fluids.