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, 2017
Filed:
Nov. 10, 2014
Applicant:
Shell Oil Company, Houston, TX (US);
Inventors:
Carolus Petrus Adrianus Blom, Muscat, OM;
Ralf Hedden, Calgary, CA;
Andreas Nicholas Matzakos, Missouri City, TX (US);
Ernesto Uehara-Nagamine, Houston, TX (US);
Assignee:
SHELL OIL COMPANY, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/25 (2006.01); E21B 43/16 (2006.01); C09K 8/594 (2006.01);
U.S. Cl.
CPC ...
E21B 43/168 (2013.01); C09K 8/594 (2013.01);
Abstract
The present invention provides a method for enhancing the recovery of oil from a formation. An enhanced oil recovery formulation comprising a gas comprised of a hydrocarbon-containing gas and an ether having from 2 to 4 carbons is injected into an oil-bearing formation to mobilize the oil. The mobilized oil is then produced from the formation.