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. 22, 2018
Filed:
Aug. 17, 2016
Applicant:
Carbon Energy Limited, Milton, AU;
Inventors:
Burl Edward Davis, New Kensington, PA (US);
Kieran Maurice O'Leary, Seventeen Mile Rocks, AU;
Assignee:
CARBON ENERGY LIMITED, Milton, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 29/02 (2006.01); E21B 43/295 (2006.01); E21B 29/00 (2006.01); E21B 43/243 (2006.01); E21B 43/00 (2006.01); E21B 43/10 (2006.01);
U.S. Cl.
CPC ...
E21B 43/295 (2013.01); E21B 29/00 (2013.01); E21B 29/02 (2013.01); E21B 43/006 (2013.01); E21B 43/10 (2013.01); E21B 43/243 (2013.01);
Abstract
A method for automatically shortening an injection well liner for underground coal gasification is provided in which portions of the injection well liner melt during the underground coal gasification process to shorten the injection well liner.