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. 01, 2012
Filed:
Jul. 29, 2009
Applicant:
William C. Pfefferle, Madison, CT (US);
Inventor:
William C. Pfefferle, Madison, CT (US);
Assignee:
Precision Combustion, Inc., North Haven, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/243 (2006.01); E21B 43/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A novel method is provided for in situ combustion and recovery of oil from underground reservoirs including injecting oxygen into the reservoir at a region near the reservoir floor, establishing a combustion front wherein hot combustion gases rise at the combustion front, withdrawing hot combustion gases from a region near the reservoir ceiling, and extracting oil from a horizontal production well near the reservoir floor.