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:
Jan. 11, 2022
Filed:
Jun. 19, 2020
Applicant:
Welltec Oilfield Solutions Ag, Zug, CH;
Inventor:
Tomas Sune Andersen, Zug, CH;
Assignee:
WELLTEC OILFIELD SOLUTIONS AG, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/127 (2006.01);
U.S. Cl.
CPC ...
E21B 33/1277 (2013.01);
Abstract
An annular barrier includes a metal part and an expandable metal sleeve. The first end of the sleeve has a mechanical connection, and is connected to the metal part via a bite connection with a cutting ring including an outer ring face having an inclined face and an inner ring face having a first cutting edge configured to cut into the outer part face, and a connection ring with a mechanical connection engaging the mechanical connection of the sleeve when the inclined face slides along a tapering face of the sleeve for pressing the first cutting edge into the outer part face, fastening the sleeve to the tubular metal part.