Patents by Inventor Patrick W. Dillon

Patrick W. Dillon 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).

  • Well completion method and apparatus using a scab casing
    Patent number: 5346007
    Abstract: A method and assembly for completing a wellbore having a production interval which, in turn, has at least one trouble zone (i.e. unproductive zone) intermediate two productive zones. A well assembly is lowered to position and cement a scab conduit across the trouble zone to seal the zone off from the rest of the open-hole production interval before completing the well by casing the wellbore and gravel-packing the production interval.
    Type: Grant
    Filed: April 19, 1993
    Date of Patent: September 13, 1994
    Assignee: Mobil Oil Corporation
    Inventors: Patrick W. Dillon, William C. Billings