Patents by Inventor Frank Andriessen

Frank Andriessen 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).

  • Method for forming slots in a wellbore casing
    Patent number: 9416611
    Abstract: An embodiment of a method for forming slots in a wellbore casing, comprises providing at least one cutting tool, the cutting tool comprising at least a jetting assembly and an indexing assembly, disposing the cutting tool into the wellbore via a conveyance, stopping movement along the wellbore axis of the cutting tool, and forming slots in the casing by actuating the indexing assembly such that the jetting assembly forms slots in a predetermined pattern in the casing. In an embodiment, the method further comprises flowing a material into the slots formed in the casing to seal the wellbore.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: August 16, 2016
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Matthias Heil, Frank Andriessen, Mirjam Zwanenburg
  • METHOD FOR FORMING SLOTS IN A WELLBORE CASING
    Publication number: 20150337612
    Abstract: An embodiment of a method for forming slots in a wellbore casing, comprises providing at least one cutting tool, the cutting tool comprising at least a jetting assembly and an indexing assembly, disposing the cutting tool into the wellbore via a conveyance, stopping movement along the wellbore axis of the cutting tool, and forming slots in the casing by actuating the indexing assembly such that the jetting assembly forms slots in a predetermined pattern in the casing. In an embodiment, the method further comprises flowing a material into the slots formed in the casing to seal the wellbore.
    Type: Application
    Filed: May 24, 2011
    Publication date: November 26, 2015
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Matthias Heil, Frank Andriessen, Mirjam Zwanenburg