Patents by Inventor David Frederick Chalus

David Frederick Chalus 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).

  • Multi-well bop cellar trailer
    Patent number: 11549337
    Abstract: A drilling rig may include a detachable, modular cellar arranged beneath a drill floor of the drilling rig. The cellar may be or include a cellar trailer and it may also be configured to house drilling equipment, such as well head equipment and/or one or more blowout preventers. The cellar trailer may provide work areas, such that the well head equipment may be prepared, tested, or generally operated within the cellar trailer. The cellar trailer may additionally be configured to provide stiffening support to the drill floor in order to mitigate deflection of the drill floor during drilling operations. The stiffening support may be provided by a shear wall extending from the cellar trailer. The cellar trailer may be towable. The cellar trailer may additionally be skiddable and/or walkable.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: January 10, 2023
    Assignee: NOV CANADA ULC
    Inventors: Kameron Wayne Konduc, Randy Steven Stoik, Roman Konowalec, Jonathon Douglas Callaghan, Li Liu, David Frederick Chalus
  • MULTI-WELL BOP CELLAR TRAILER
    Publication number: 20210025263
    Abstract: A drilling rig may include a detachable, modular cellar arranged beneath a drill floor of the drilling rig. The cellar may be or include a cellar trailer and it may also be configured to house drilling equipment, such as well head equipment and/or one or more blowout preventers. The cellar trailer may provide work areas, such that the well head equipment may be prepared, tested, or generally operated within the cellar trailer. The cellar trailer may additionally be configured to provide stiffening support to the drill floor in order to mitigate deflection of the drill floor during drilling operations. The stiffening support may be provided by a shear wall extending from the cellar trailer. The cellar trailer may be towable. The cellar trailer may additionally be skiddable and/or walkable.
    Type: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Inventors: Kameron Wayne Konduc, Randy Steven Stoik, Roman Konowalec, Jonathon Douglas Callaghan, Li Liu, David Frederick Chalus
  • Multi-well bop cellar trailer
    Patent number: 10822924
    Abstract: A drilling rig may include a detachable, modular cellar arranged beneath a drill floor of the drilling rig. The cellar may be or include a cellar trailer and it may also be configured to house drilling equipment, such as well head equipment and/or one or more blowout preventers. The cellar trailer may provide work areas, such that the well head equipment may be prepared, tested, or generally operated within the cellar trailer. The cellar trailer may additionally be configured to provide stiffening support to the drill floor in order to mitigate deflection of the drill floor during drilling operations. The stiffening support may be provided by a shear wall extending from the cellar trailer. The cellar trailer may be towable. The cellar trailer may additionally be skiddable and/or walkable.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: November 3, 2020
    Assignee: NATIONAL OILWELL VARCO, L.P.
    Inventors: Kameron Wayne Konduc, Randy Steven Stoik, Roman Konowalec, Jonathon Douglas Callaghan, Li Liu, David Frederick Chalus
  • MULTI-WELL BOP CELLAR TRAILER
    Publication number: 20170254181
    Abstract: A drilling rig having a detachable, modular cellar arranged beneath a drill floor of the drilling rig. The cellar may be or include a cellar trailer and may be configured to house drilling equipment, such as well head equipment, such as one or more blowout preventers. In some embodiments, the cellar trailer may provide work areas, such that the well head equipment may be prepared, tested, or generally operated within the cellar trailer. The cellar trailer may additionally be configured to provide stiffening support to the drill floor in order to mitigate deflection of the drill floor during drilling operations. The stiffening support may be provided by a shear wall extending from the cellar trailer. The cellar trailer may be towable. The cellar trailer may additionally be skiddable and/or walkable.
    Type: Application
    Filed: March 7, 2017
    Publication date: September 7, 2017
    Inventors: Kameron Wayne Konduc, Randy Steven Stoik, Roman Konowalec, Jonathon Douglas Callaghan, Li Liu, David Frederick Chalus