Patents by Inventor Fred Scott Martin

Fred Scott Martin 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).

  • Downhole gas compressor
    Patent number: 5755288
    Abstract: A gas compressor is employed downhole in a well for pressurizing formation gas. The gas compressor is driven by a downhole electrical motor. The downhole assembly also includes a pump. The pump might be located below the motor and driven by the same motor. In that event, the pump pumps liquid being produced by the formation downward to a liquid disposal formation. Also, the pump may pump the liquid to the surface, with the gas being delivered into a repressurizing zone.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: May 26, 1998
    Assignee: Baker Hughes Incorporated
    Inventors: John L. Bearden, Ketankumar Kantilal Sheth, Fred Scott Martin