Patents by Inventor Michael P. Ellem

Michael P. Ellem 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).

  • METHOD AND SYSTEM FOR SEALING A VOID IN AN UNDERGROUND WELLBORE
    Publication number: 20130269942
    Abstract: Voids (14) in a underground wellbore (1) are sealed by:—inserting a corrosion prone object (10A-C, 12) in the void injecting an oxidizing agent into the void (14); and—allowing the oxidizing agent to induce corrosion of the corrosion prone object and to thereby generate corrosion products (13A-E) that are physically larger than the corrosion prone object (10A-C, 12) and that seal the void (14).
    Type: Application
    Filed: December 29, 2011
    Publication date: October 17, 2013
    Applicant: Shell Internationale Research Maatschappij B.V.
    Inventors: Michael P. Ellem, Daniel Joinson