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:
Jun. 21, 2022
Filed:
Jul. 29, 2019
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Assignee:
Saudi Arabian Oil Company, Dhahran, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 105/34 (2006.01); C09K 8/24 (2006.01); C10M 177/00 (2006.01); C09K 8/035 (2006.01); C10M 173/02 (2006.01); C10N 70/00 (2006.01);
U.S. Cl.
CPC ...
C10M 105/34 (2013.01); C09K 8/035 (2013.01); C09K 8/24 (2013.01); C10M 173/02 (2013.01); C10M 177/00 (2013.01); C09K 2208/28 (2013.01); C09K 2208/34 (2013.01); C10M 2201/102 (2013.01); C10M 2207/126 (2013.01); C10M 2209/043 (2013.01); C10N 2070/00 (2013.01);
Abstract
One or more embodiments presently described are directed to lubricants and methods for making such lubricants. According to one embodiment, a lubricant suitable for use in a water-based drilling fluid may comprise one or more alkyl esters and a fatty acid blend comprising at least palmitic acid and stearic acid. The sum of the weight percent of the palmitic acid and stearic acid may be at least 50 wt. % of the fatty acid blend. The weight ratio of the one or more alkyl esters to the fatty acid blend may be from 1:1 to 3:1. The molar ratio of palmitic acid to stearic acid may be from 20:80 to 40:60.