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. 08, 2018
Filed:
Aug. 17, 2016
Applicant:
Carbon Energy Limited, Milton, AU;
Inventors:
Burl Edward Davis, New Kensington, PA (US);
Clifford William Mallett, St. Lucia, AU;
Marion Russell Mark, Mermaid Waters, AU;
Assignee:
CARBON ENERGY LIMITED, Milton, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 29/02 (2006.01); E21B 43/243 (2006.01); E21B 17/06 (2006.01); E21B 17/042 (2006.01); E21B 43/00 (2006.01); E21B 43/08 (2006.01); E21B 43/16 (2006.01); E21B 43/24 (2006.01);
U.S. Cl.
CPC ...
E21B 29/02 (2013.01); E21B 17/042 (2013.01); E21B 17/06 (2013.01); E21B 43/006 (2013.01); E21B 43/08 (2013.01); E21B 43/168 (2013.01); E21B 43/24 (2013.01); E21B 43/243 (2013.01);
Abstract
A sacrificial liner linkage that can be used to automatically shorten a liner for an underground coal gasification process is provided. The sacrificial liner linkage may be one or more sacrificial liner linkage portions that are spaced between one or more liner portions in which the sacrificial liner linkage portions disintegrate before the one or more liner portions to automatically shorten the liner.