The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 2011
Filed:
Aug. 22, 2008
Justin D. Debord, Katy, TX (US);
Piyush Srivastava, Houston, TX (US);
Christopher Gallagher, Broken Arrow, OK (US);
Samuel Asomaning, Sugar Land, TX (US);
Paul Hart, Sugar Land, TX (US);
Justin D. Debord, Katy, TX (US);
Piyush Srivastava, Houston, TX (US);
Christopher Gallagher, Broken Arrow, OK (US);
Samuel Asomaning, Sugar Land, TX (US);
Paul Hart, Sugar Land, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
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 amines, 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.