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:
Dec. 08, 2020
Filed:
Dec. 05, 2018
Henry Nguyen, Houston, TX (US);
Jerry Weers, Richmond, TX (US);
David Jennings, Houston, TX (US);
Kung-po Chao, Stafford, TX (US);
Joey Dacula Mangadlao, Agusan del Sur, PH;
Henry Nguyen, Houston, TX (US);
Jerry Weers, Richmond, TX (US);
David Jennings, Houston, TX (US);
Kung-Po Chao, Stafford, TX (US);
Joey Dacula Mangadlao, Agusan del Sur, PH;
BAKER HUGHES, A GE COMPANY, LLC, Houston, TX (US);
Abstract
A method of stabilizing asphaltenes in a petroleum hydrocarbon fluid comprises contacting the petroleum hydrocarbon fluid with a mixed phenol aldehyde derived from an aldehyde and two or more unsubstituted or alkyl-substituted monophenols, the two or more unsubstituted or alkyl-substituted monophenols comprising a first phenol which is a Clinear or branched alkyl monophenol; and a second phenol which is unsubstituted or a Clinear or branched alkyl monophenol different from the first phenol, wherein the molar ratio of the first phenol relative to the second phenol is about 4:1 to about 1:4.