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:
May. 05, 2009
Filed:
Feb. 03, 2005
Applicants:
Bernard Compton Chung, Calgary, CA;
Mintu Bose, Calgary, CA;
Stewart Allan Morton, Calgary, CA;
Kenneth James Elkow, Calgary, CA;
Ed Erlendson, Calgary, CA;
Inventors:
Bernard Compton Chung, Calgary, CA;
Mintu Bose, Calgary, CA;
Stewart Allan Morton, Calgary, CA;
Kenneth James Elkow, Calgary, CA;
Ed Erlendson, Calgary, CA;
Assignee:
Nexen Inc., Calgary, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/17 (2006.01); E21B 43/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides an improved method for producing heavy oil or bitumen in a reservoir. The invention involves directing the formation of a solvent fluid chamber through the combination of directed solvent fluid injection and production at combinations of horizontal and/or vertical injection wells so as to increase the recovery of heavy oil or bitumen in a reservoir.