C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/524 (2006.01) C10G 75/04 (2006.01) E21B 37/06 (2006.01)
Patent
CA 2632231
Naphthenic acid solids and/or emulsions can be inhibited by introducing an additive to crude oil prior to or concurrent with the deprotonation of the naphthenic acids present in the crude oil. The additives may be surfactants and can be quaternary ammonium compounds, quaternary phosphonium compounds, and mixtures of both. The additives may also be linear compounds having at least two carboxylic acid or acrylic acid functional moieties.
L~invention concerne l~inhibition de solides et/ou d~émulsions à base d'acide naphténique par l~introduction de pétrole brut avant ou en même temps que se produit la déprotonation des acides naphténiques présents dans le pétrole brut. Les additifs peuvent être des tensioactifs et peuvent être des composés d~ammonium quaternaire, des composés de phosphonium quaternaire, et leurs mélanges. Les additifs peuvent également être des composés linéaires dotés d~au moins deux groupes fonctionnels acide carboxylique ou acide acrylique.
Asomaning Samuel
Debord Justin D.
Gallagher Christopher
Hart Paul
Towner James
Baker Hughes Incorporated
Sim & Mcburney
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