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. 08, 2024
Filed:
Nov. 29, 2022
Applicant:
Canadian Casing Accessories Inc., Calgary, CA;
Inventor:
Lyle Laun, Calgary, CA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 33/16 (2006.01); E21B 47/11 (2012.01); E21B 47/117 (2012.01);
U.S. Cl.
CPC ...
E21B 33/1208 (2013.01); E21B 33/16 (2013.01); E21B 47/117 (2020.05); E21B 47/11 (2020.05); E21B 2200/08 (2020.05);
Abstract
An improved wiper plug and methods of using the plug during casing and cementing operations within a subterranean wellbore are provided. The present plugs may pre-loaded with at least one engineered material and operative to release the material over time at a target location within the wellbore, such release serving to enhance the degradation of dissolvable components within the plugs and/or within the casing string, and/or to alter the chemical properties of the wellbore environment.