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:
Oct. 16, 2012
Filed:
Jul. 17, 2006
Applicants:
John David Watson, Evergreen, CO (US);
Michael Helmut Kobler, Sebastopol, CA (US);
Dana Brock, Sebastopol, CA (US);
Inventors:
John David Watson, Evergreen, CO (US);
Michael Helmut Kobler, Sebastopol, CA (US);
Dana Brock, Sebastopol, CA (US);
Assignee:
OSUM Oil Sands Corp., , CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one configuration, the present invention is directed to a method and system for extracting hydrocarbons from a hydrocarbon-containing deposit. One or more underground excavations designed to at least partially cave in are used to increase the permeability of the deposit.