Patents by Inventor Ole Morten Aamo

Ole Morten Aamo 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).

  • Patent number: 10156105
    Abstract: A drill string (2) for a floating drill rig, the drill string (2) comprising: a bore (4) running the length of the drill string (2) and configured to receive a drilling fluid; and a controllable dynamic flow restriction (14) in the bore, wherein the controllable dynamic flow restriction (14) is operable to restrict flow of the drilling fluid through the bore (4) and thereby generate excess pressure in the drill string when the drill string (2) moves down, and to allow additional drilling fluid to be pushed through the bore (4) and out of the fluid connection under the excess pressure generated when the drill string (2) moves upward.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: December 18, 2018
    Assignee: Heavelock AS
    Inventors: Ole Morten Aamo, Sigbjorn Sangesland
  • Publication number: 20180016858
    Abstract: A drill string (2) for a floating drill rig, the drill string (2) comprising: a bore (4) running the length of the drill string (2) and configured to receive a drilling fluid; and a controllable dynamic flow restriction (14) in the bore, wherein the controllable dynamic flow restriction (14) is operable to restrict flow of the drilling fluid through the bore (4) and thereby generate excess pressure in the drill string when the drill string (2) moves down, and to allow additional drilling fluid to be pushed through the bore (4) and out of the fluid connection under the excess pressure generated when the drill string (2) moves upward.
    Type: Application
    Filed: January 29, 2016
    Publication date: January 18, 2018
    Inventors: Ole Morten Aamo, Sigbjorn Sangesland