Patents by Inventor Darcy Stephen Nott

Darcy Stephen Nott 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).

  • Non-stop driller manifold and methods
    Patent number: 9664003
    Abstract: Apparatus, systems, and methods for continuously circulating drilling fluid through a tubular string are described. The methods include connecting a sub having a central bore and a side bore to the tubular string, connecting a top drive to the tubular string, connecting a manifold to the sub and top drive, wherein the manifold comprises a plurality of electrically controlled valves, and controlling the flow of drilling fluid through the sub and top drive by selectively opening and closing the electrically controlled valves.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: May 30, 2017
    Assignee: Canrig Drilling Technology Ltd.
    Inventors: Darcy Stephen Nott, Mark Blankenship
  • NON-STOP DRILLER MANIFOLD AND METHODS
    Publication number: 20150047834
    Abstract: Apparatus, systems, and methods for continuously circulating drilling fluid through a tubular string are described. The methods include connecting a sub having a central bore and a side bore to the tubular string, connecting a top drive to the tubular string, connecting a manifold to the sub and top drive, wherein the manifold comprises a plurality of electrically controlled valves, and controlling the flow of drilling fluid through the sub and top drive by selectively opening and closing the electrically controlled valves.
    Type: Application
    Filed: August 14, 2013
    Publication date: February 19, 2015
    Inventors: Darcy Stephen Nott, Mark Blankenship