Patents by Inventor David Laurel

David Laurel 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).

  • Filtered actuator port for hydraulically actuated downhole tools
    Patent number: 7114558
    Abstract: Methods of using and making and apparatuses utilizing a filtered actuator port for hydraulically actuated down hole tools. The filtered port prevents sand or other debris from entering the actuator workings of a tool. In accordance with one aspect of the invention, hydraulic tools utilizing filtered actuator ports are disclosed. In a second aspect, the filtered port comprises fine slots disposed through a wall of a mandrel spaced around the circumference of the mandrel. In a third aspect, the inlet port is formed by laser cutting or electrical discharge machining. In a fourth aspect, the filtered port is disposed in various components of a fracture pack-off system. Methods of using the fracture pack-off system utilizing the filtered port are provided.
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: October 3, 2006
    Assignee: Weatherford/Lamb, Inc.
    Inventors: Corey Hoffman, Jason Ellis, David Laurel
  • Filtered actuator port for hydraulically actuated downhole tools
    Publication number: 20040129421
    Abstract: Methods of using and making and apparatuses utilizing a filtered actuator port for hydraulically actuated down hole tools. The filtered port prevents sand or other debris from entering the actuator workings of a tool. In accordance with one aspect of the invention, hydraulic tools utilizing filtered actuator ports are disclosed. In a second aspect, the filtered port comprises fine slots disposed through a wall of a mandrel spaced around the circumference of the mandrel. In a third aspect, the inlet port is formed by laser cutting or electrical discharge machining. In a fourth aspect, the filtered port is disposed in various components of a fracture pack-off system. Methods of using the fracture pack-off system utilizing the filtered port are provided.
    Type: Application
    Filed: December 2, 2003
    Publication date: July 8, 2004
    Applicant: Weatherford/Lamb, Inc.
    Inventors: Corey Hoffman, Jason Ellis, David Laurel