Patents by Inventor Mike Edgar

Mike Edgar 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).

  • Reverse cementing float shoe
    Patent number: 6802374
    Abstract: A float shoe comprising an upper section having a casing connection at an upper end thereof, and a lower section slidably coupled to the upper section, the lower section comprising a closed lower end and having at least one port disposed therein.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: October 12, 2004
    Assignee: Schlumberger Technology Corporation
    Inventors: Mike Edgar, Greg Horton
  • Reverse cementing float shoe
    Publication number: 20040084182
    Abstract: A float shoe comprising an upper section having a casing connection at an upper end thereof, and a lower section slidably coupled to the upper section, the lower section comprising a closed lower end and having at least one port disposed therein.
    Type: Application
    Filed: October 30, 2002
    Publication date: May 6, 2004
    Inventors: Mike Edgar, Greg Horton