copper carbonate | Energy Glossary

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copper carbonate

1. n. []

A compound, CuCO3, that was used as a sulfide scavenger for water-base muds. However, it was found to be corrosive due to spontaneous plating of metallic copper onto metal surfaces, causing pitting corrosion; it has largely been replaced by zinc compounds.

Reference: Perricone AC and Chesser BG: "Corrosive Aspects of Copper Carbonate in Drilling Fluids," Oil & Gas Journal 68, no. 37 (September 14, 1970): 82-85.

See: Garrett Gas Trainwater-based mudzinc basic carbonatezinc carbonate