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:
May. 17, 2022
Filed:
Jul. 30, 2018
Applicant:
Shell Oil Company, Houston, TX (US);
Inventors:
Burnell Lee, League City, TX (US);
David Matthew Brown, Amsterdam, NL;
Graham Francis Whale, Manchester, GB;
Michael James Spence, Brussels, BE;
Delina Yvonne-Marie de Souza Lyon, Houston, TX (US);
Assignee:
SHELL OIL COMPANY, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/34 (2006.01); E21B 21/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/34 (2013.01); E21B 21/00 (2013.01);
Abstract
The present invention relates to drilling fluid comprising one or more linear internal olefin having from 15 to 18 carbon atoms and containing less than 25% branching based on the total amount of the linear internal olefin and a hydrogenated Fischer-Tropsch derived product.