Annular barrier with pressure amplification

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United States of America Patent

PATENT NO 9725980
SERIAL NO

14238239

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Abstract

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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 for providing zone isolation between a first zone and a second zone of the borehole, comprising a tubular part for mounting as part of the well tubular structure and having an expansion opening, an expandable sleeve surrounding the tubular part, each end of the expandable sleeve being connected with the tubular part, and an annular barrier space between the tubular part and the expandable sleeve, wherein the annular barrier further comprises a pressure intensifying means having an inlet in a first end in fluid communication with the expansion opening and having an outlet in a second end in fluid communication with the annular barrier space.

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Patent Owner(s)

Patent OwnerAddress
WELLTEC MANUFACTURING CENTER COMPLETIONS APSSTORSTRØMSVEJ 12 ESBJERG N 6715

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hallundbæk, Jørgen Græsted, DK 114 547
Hazel, Paul Aberdeen, GB 39 361
Vasques, Ricardo Reves Holte, DK 58 257

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