Patents by Inventor Edward F. Schultze

Edward F. Schultze 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).

  • Wellbore gravel pack method
    Patent number: 3973627
    Abstract: Methods of gravel packing are disclosed utilizing controlled melting point materials with the gravel placed behind a liner located in the wellbore. The controlled melting point materials can be coated on the gravel prior to its placement behind the liner or circulated behind the liner separate from the gravel. After placement of the gravel and controlled melting point material behind the liner, heat is provided to melt the material so that it acts as a consolidating agent.
    Type: Grant
    Filed: November 12, 1973
    Date of Patent: August 10, 1976
    Assignee: Sun Oil Company (Delaware)
    Inventors: William C. Hardy, Edward F. Schultze, John C. Shepard