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. 15, 2017
Filed:
Oct. 13, 2015
Shell Oil Company, Houston, TX (US);
Julian Richard Barnes, Amsterdam, NL;
Marten Adriaan Buijse, Vogelenzang, NL;
Marinus Cornelis Hendrikus Grutters, Amsterdam, NL;
Robert Moene, Amsterdam, NL;
Reinaldo Conrado Navarrete, Houston, TX (US);
Thomas Carl Semple, Friendswood, TX (US);
Andrew Granja Shepherd, Assen, NL;
SHELL OIL COMPANY, Houston, TX (US);
Abstract
A hydrocarbon recovery composition which comprises a first blend of C24-28 internal olefin sulfonates and an injectable fluid composition comprising the hydrocarbon recovery composition, water and/or brine wherein the hydrocarbon recovery composition is present in an amount of from 0.05 to 1.0 wt % of the total injectable fluid composition can be used for enhanced hydrocarbon recovery from a formation.