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.

Date of Patent:
Aug. 22, 2017

Filed:

Mar. 19, 2012
Applicants:

Thomas J. Wheeler, Houston, TX (US);

David A. Brown, Katy, TX (US);

Tawfik N. Nasr, Katy, TX (US);

Inventors:

Thomas J. Wheeler, Houston, TX (US);

David A. Brown, Katy, TX (US);

Tawfik N. Nasr, Katy, TX (US);

Assignee:

CONOCOPHILLIPS COMPANY, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/24 (2006.01);
U.S. Cl.
CPC ...
E21B 43/2406 (2013.01);
Abstract

A method for recovering petroleum from a formation, wherein at least two injection wells and at least one production well are in fluid communication with said formation, comprising: introducing a gaseous mixture into a first and a second injection well at a temperature and a pressure, wherein said gaseous mixture comprises steam and non-condens able gas (NCG); and recovering a fluid comprising petroleum from said production well, wherein said injection wells and a production well are horizontal wells, and wherein said first injection well is disposed 1-10 meters above said production well, and said second injection well is disposed at least 5 meters above said first injection well.


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