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:
Jun. 28, 2022
Filed:
Jun. 24, 2020
Applicant:
Welltec Oilfield Solutions Ag, Zug, CH;
Inventor:
Ricardo Reves Vasques, Zug, CH;
Assignee:
Welltec Oilfield Solutions AG, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/127 (2006.01); E21B 43/10 (2006.01);
U.S. Cl.
CPC ...
E21B 33/1277 (2013.01); E21B 43/105 (2013.01); E21B 43/106 (2013.01);
Abstract
An annular barrier for providing zonal includes a tubular metal part, and an expandable metal sleeve surrounding the tubular metal part. The expandable metal sleeve has a first end part, a second end part and an outer face, and at least one of the end parts includes at least one circumferential groove facing the outer part face, wherein the tubular metal part bulges radially outwards in relation to the axial extension, forming at least one circumferential projection engaging the groove, thus providing a connection of the expandable metal sleeve to the tubular metal part.