Patents by Inventor Tore GRENASBERG

Tore GRENASBERG 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 drilling device
    Patent number: 9957761
    Abstract: A downhole drilling device (1) may include a drill bit rotatable via a drill string (11); a guiding device (4) provided between said drill bit and said drill string (11), said guiding device (4) being connected to and operable independently from said drill string (11); and a power source (5) for powering said guiding device (4). The downhole drilling device (1) may include an inductive coupler (6, 6?) having a primary side (61) and a secondary side (63), said inductive coupler (6, 6?) being adapted to transfer power from said power source (5), connected to the primary side (61) of said inductive coupler (6, 6?), to said guiding device (4), connected to the secondary side (63) of said inductive coupler (6, 6?).
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: May 1, 2018
    Assignee: NABORS LUX 2 SARL
    Inventors: Andrew Gorrara, Tore Grenasberg
  • DOWNHOLE DRILLING DEVICE
    Publication number: 20160060975
    Abstract: A downhole drilling device (1) may include a drill bit rotatable via a drill string (11); a guiding device (4) provided between said drill bit and said drill string (11), said guiding device (4) being connected to and operable independently from said drill string (11); and a power source (5) for powering said guiding device (4).The downhole drilling device (1) may include an inductive coupler (6, 6?) having a primary side (61) and a secondary side (63), said inductive coupler (6, 6?) being adapted to transfer power from said power source (5), connected to the primary side (61) of said inductive coupler (6, 6?), to said guiding device (4), connected to the secondary side (63) of said inductive coupler (6, 6?).
    Type: Application
    Filed: August 27, 2015
    Publication date: March 3, 2016
    Inventors: Andrew GORRARA, Tore GRENASBERG