Patents by Inventor Trond Eivind Larsen

Trond Eivind Larsen 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).

  • Well operations using flexible elongate members
    Patent number: 11486203
    Abstract: A method is for performing work in a well and on a vessel. A wellbore assembly such as a tool string is suspended on a first flexible elongate member from the vessel. The wellbore assembly is used to perform work in the well. The wellbore assembly such as a tool string is suspended on a second flexible elongate member from the vessel. The wellbore assembly on the first flexible elongate member is removed from the well, and after the removal, the wellbore assembly on the second flexible elongate member is inserted into the well. The inserted wellbore assembly in the well can then be used to perform further work. The wellbore assemblies may be deployed and retrieved on independently operable wirelines. A related vessel and apparatus is also described.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: November 1, 2022
    Assignee: TIOS AS
    Inventors: Bernt Gramstad, Trond Eivind Larsen, Kjartan Ertenstein, Vidar Haugen, Ove Kalvatn, Anders Olsen
  • IMPROVEMENTS RELATING TO WELL OPERATIONS USING FLEXIBLE ELONGATE MEMBERS
    Publication number: 20210032937
    Abstract: A method is for performing work in a well and on a vessel. A wellbore assembly such as a tool string is suspended on a first flexible elongate member from the vessel. The wellbore assembly is used to perform work in the well. The wellbore assembly such as a tool string is suspended on a second flexible elongate member from the vessel. The wellbore assembly on the first flexible elongate member is removed from the well, and after the removal, the wellbore assembly on the second flexible elongate member is inserted into the well. The inserted wellbore assembly in the well can then be used to perform further work. The wellbore assemblies may be deployed and retrieved on independently operable wirelines. A related vessel and apparatus is also described.
    Type: Application
    Filed: March 6, 2019
    Publication date: February 4, 2021
    Applicant: TIOS AS
    Inventors: Bernt Gramstad, Trond Eivind Larsen, Kjartan Ertenstein, Vidar Haugen, Ove Kalvatn, Anders Olsen