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:
Oct. 10, 2023
Filed:
Nov. 30, 2021
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Tao Chen, Dhahran, SA;
Qiwei Wang, Dhahran, SA;
Assignee:
Saudi Arabian Oil Company, Dhahran, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F 11/14 (2006.01); C09K 8/54 (2006.01); E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
C23F 11/149 (2013.01); C09K 8/54 (2013.01); C23F 11/141 (2013.01); E21B 43/16 (2013.01); C09K 2208/06 (2013.01); C09K 2208/32 (2013.01);
Abstract
Methods for reducing scale deposition are provided. An exemplary method for reducing scale in an oilfield facility includes contacting a metallic surface with a production fluid including a film-forming surfactant selected from imidazolines, imidazolidines, amidoamines, isoxazolidines, fatty amines, α,β-unsaturated aldehydes, salts thereof, and combinations thereof, the production fluid including the film-forming surfactant in a concentration of at least about 200 ppm.