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:
Nov. 28, 2017

Filed:

Jul. 06, 2012
Applicant:

Richard Kelso Kerr, Calgary, CA;

Inventor:

Richard Kelso Kerr, Calgary, CA;

Assignee:

NEXEN ENERGY ULC, Alberta, CA;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/24 (2006.01); F22B 3/00 (2006.01);
U.S. Cl.
CPC ...
E21B 43/2406 (2013.01); E21B 43/2408 (2013.01); F22B 3/00 (2013.01);
Abstract

There is provided a process to recover bitumen from a subterranean hydrocarbon reservoir. The process includes injecting steam and oxygen separately into the bitumen reservoir. When mixed in the reservoir, the mix is in the range of 5 to 50% O. The process also includes producing hot bitumen and water using a horizontal production well, and producing/removing non-condensable combustion gases to control reservoir pressure.


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