Invention Grant
- Patent Title: Annular barrier
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Application No.: US15097848Application Date: 2016-04-13
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Publication No.: US10364638B2Publication Date: 2019-07-30
- Inventor: Jørgen Hallundbæk , Paul Hazel , Thomas Sune Andersen
- Applicant: Welltec Oilfield Solutions AG
- Applicant Address: CH Zug
- Assignee: Welltec Oilfield Solutions AG
- Current Assignee: Welltec Oilfield Solutions AG
- Current Assignee Address: CH Zug
- Agency: Nixon & Vanderhye P.C.
- Priority: EP09172466 20091007
- Main IPC: E21B33/127
- IPC: E21B33/127

Abstract:
The present invention relates to an annular barrier to be expanded in an annulus between a well tubular structure and an inside wall of a borehole downhole. The annular barrier comprises a tubular part for mounting as part of the well tubular structure, an expandable sleeve surrounding the tubular part and having an inner face facing the tubular part, each end of the expandable sleeve being connected with a connection part which is connected with the tubular part, a space between the inner face of the sleeve and the tubular part, and an element arranged in connection with the sleeve, the element having a first part and a second part both of which extend around the inner face, the first part of the element being fastened to the inner face.
Public/Granted literature
- US20160222754A1 ANNULAR BARRIER Public/Granted day:2016-08-04
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