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. 20, 2013
Filed:
Jul. 18, 2008
Applicant:
Raul Valdez, Bellaire, TX (US);
Inventor:
Raul Valdez, Bellaire, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for producing oil and/or gas comprising a method for producing oil from an underground formation comprising injecting an enhanced oil recovery formulation and a gas into a first well in the formation; forming a mixture comprising the enhanced oil recovery formulation and the oil in the formation; forming a gas cap with the injected gas; forcing the formulation and oil mixture towards a second well in the formation; and producing the formulation and oil mixture from the second well.