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:
Apr. 14, 2026
Filed:
Dec. 23, 2024
Applicant:
Expro North Sea Limited, Aberdeenshire, GB;
Inventors:
Jeffry C. Ehlinger, Houston, TX (US);
Beau H. Martin, Youngsville, LA (US);
Assignee:
Expro North Sea Limited, Aberdeenshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/16 (2006.01); E21B 17/14 (2006.01);
U.S. Cl.
CPC ...
E21B 33/167 (2020.05); E21B 17/14 (2013.01);
Abstract
Embodiments of the present disclosure relate to a cementing system. In one embodiment, cementing system includes a float shoe and a collar system. The collar system includes a baffle collar; an inner string, a plug stem, and a sealing plug. The sealing plug includes a lock ring cavity and a lock ring. The lock ring cavity includes an upper cavity tapered surface and a lower cavity tapered surface. The lock ring includes a tapered surface. The tapered surface includes an upper ring tapered surface and a lower ring tapered surface.