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:
Dec. 31, 2024
Filed:
Oct. 06, 2023
Applicant:
Canadian Casing Accessories Inc., Calgary, CA;
Inventor:
Lyle Laun, Calgary, CA;
Assignee:
Canadian Casing Accessories Inc., Alberta, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/16 (2006.01);
U.S. Cl.
CPC ...
E21B 33/16 (2013.01);
Abstract
Embodiments are directed to improved apparatus and methods of use in the oil and gas industry and, more particularly, to downhole plugs such as cement plugs. The present cement plugs may be temporarily positioned at predetermined locations within a casing string, and form at least one annular wiper fin having at least one expansion member configured for biasing the at least one wiper fin radially outwardly and into sealing engagement with the inner surface of the casing string.