Patents by Inventor Frode STRØMSVIK

Frode STRØMSVIK has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Downhole straddle system
    Patent number: 10837255
    Abstract: The present invention relates to a downhole straddle system for sealing off a damaged zone in a well tubular metal structure in a well having a top, comprising: a straddle assembly having a first end, a second end closest to the top, an inner face, a first hydraulic expandable annular barrier and a second hydraulic expandable annular barrier, a downhole tool assembly having a hydraulic operated deployment tool for releasable connecting the downhole tool assembly to the second end of the straddle assembly, the downhole tool assembly further comprising a first sealing unit arranged above the first hydraulic expandable annular barrier and the second hydraulic expandable annular barrier and configured to seal against the inner face of the straddle assembly, and a closing unit configured to close the first end of the straddle assembly, wherein the downhole tool assembly further comprising a sealing device arranged above the deployment tool and the first sealing unit, the sealing device has an annular sealing eleme
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: November 17, 2020
    Assignee: Welltec Oilfield Solutions AG
    Inventors: Johnny Bårdsen, Frode Strømsvik
  • DOWNHOLE STRADDLE SYSTEM
    Publication number: 20190316437
    Abstract: The present invention relates to a downhole straddle system for sealing off a damaged zone in a well tubular metal structure in a well having a top, comprising: a straddle assembly having a first end, a second end closest to the top, an inner face, a first hydraulic expandable annular barrier and a second hydraulic expandable annular barrier, a downhole tool assembly having a hydraulic operated deployment tool for releasable connecting the downhole tool assembly to the second end of the straddle assembly, the downhole tool assembly further comprising a first sealing unit arranged above the first hydraulic expandable annular barrier and the second hydraulic expandable annular barrier and configured to seal against the inner face of the straddle assembly, and a closing unit configured to close the first end of the straddle assembly, wherein the downhole tool assembly further comprising a sealing device arranged above the deployment tool and the first sealing unit, the sealing device has an annular sealing eleme
    Type: Application
    Filed: April 10, 2019
    Publication date: October 17, 2019
    Inventors: Johnny BÅRDSEN, Frode STRØMSVIK