Patents Assigned to A O International, II LLC
  • Location and stimulation methods and apparatuses utilizing downhole tools
    Patent number: 9689247
    Abstract: A propellant tool for use in a hydrocarbon bearing formation. The tool includes a tubular body having a connector on each end for connection with other tubular members within a tubular string. A coded marker is positioned on the tubular body and a propellant chamber is positioned on an outside surface of the tubular body. A propellant ignition mechanism positioned on the tubular body for igniting the propellant in the propellant chamber.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: June 27, 2017
    Assignees: Superior Energy Services, LLC, A O International, II LLC
    Inventors: Barry Kent Holder, Andre Orban, Daniel Maurice Lerner