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Oilfield Glossary
Oilfield Glossary
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amides

1. n. [Drilling Fluids]
A group of organic chemicals with the general formula RCO-NH2 formed from reactions of ammonia (NH3) and a carboxylic acid, RCOO-H+. "R" groups range from hydrogen to various linear and ring structures. Amides and polyamides are emulsifiers and surfactants, many of which are made from fatty acids.