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Glossary:Drilling mud
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The fluid, water, oil or gas based, that is used to establish well control, transport cuttings to the surface, provides fluid loss control, lubricates the string and cools the bottom hole assembly.
Types
Clay muds
- Polymer clay
- Polymer clay inhibited
-
- Lime base mud
- Gypsum lime
- Gypsum potassium
- Aluminum potassium
- Gypsum aluminum potassium
- Polyglycol
- Silicate
- Formate
- Saline
-
- Salt-saturated;
- Salt-saturated polymineral
Non-clay drilling mud
- Biopolymer
-
- Biopolymer non saline
- Biopolymer potassium chloride, alumo gypsum potassium
- Biopolymer salt-saturated
- Biopolymer salt-saturated lightened
- Non-clay unstructured
- Non-clay based on polymer hydrogel
Hydrocarbon based drilling muds
- Hydrocarbon drilling muds based
-
- Diesel fluid
- Oil and gas condensate
- Mineral oils
- Synthetic fluids
Bitumen lime drilling muds (waterless)