Oilfield Glossary
Oilfield Glossary
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caustic extraction test

1. n. [Drilling Fluids]
A test used to determine if a barite sample contains caustic-soluble sulfide or carbonate minerals. Reference:
Binder GG, Carlton LA and Garrett RL: "Evaluating Barite as a Source of Soluble Carbonate and Sulfide Contamination in Drilling Fluids," Journal of Petroleum Technology 33, no. 12 (December 1981): 2371-2376.

Garrett RL: "Quality Requirements for Industrial Minerals Used in Drilling Fluids," Mining Engineering 39, no. 11 (November 1987): 1011-1016.