Patents Assigned to CANRIG DRILLING TECHNOLOGIES LTD.
  • Back pressure control system
    Patent number: 10000981
    Abstract: A back pressure control system adapted to be at least partially integrated with a drill rig.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: June 19, 2018
    Assignee: CANRIG DRILLING TECHNOLOGIES LTD.
    Inventors: Darcy Nott, Stuart Butler, Dean Rambo