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:
Nov. 17, 2015
Filed:
Jul. 06, 2010
Julian Richard Barnes, Amsterdam, NL;
Marten Adriaan Buijse, Rijswijk, NL;
Marinus Cornelis Grutters, Dubai, AE;
Robert Moene, Amsterdam, NL;
Reinaldo Conrado Navarrete, Houston, TX (US);
Thomas Carl Semple, Friendswood, TX (US);
Andrew Granja Shepherd, Assen, NL;
Julian Richard Barnes, Amsterdam, NL;
Marten Adriaan Buijse, Rijswijk, NL;
Marinus Cornelis Grutters, Dubai, AE;
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 method of treating a formation containing crude oil with specific solubility groups and chemical families is described. The method includes (a) providing a hydrocarbon recovery composition to at least a portion of a formation containing crude oil with specific solubility groups and chemical families, wherein the composition comprises a Cinternal olefin sulfonate; and (b) allowing the composition to interact with hydrocarbons in the crude oil containing formation.