Patents Assigned to 789047 Alberta Ltd.
  • Wireline coupler
    Patent number: 7353868
    Abstract: A wireline coupler, for use in oil wells and gas wells to connect a perforating gun to the wireline from which the perforating gun is suspended, is designed to eliminate jamming of the wireline between the casing and the perforating gun when the perforating gun is propelled upward by the gases from the explosion of the perforating gun or by the natural gas, oil, or other fluids released through the new perforations.
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: April 8, 2008
    Assignee: 789047 Alberta Ltd.
    Inventors: Brian Golby, Brad Gabel