Patents by Inventor Robert G. Gaymard

Robert G. Gaymard 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).

  • Machine method and apparatus for determining the presence and location of hydrocarbon deposits within a subsurface earth formation
    Patent number: 4369497
    Abstract: In accordance with illustrative embodiments of the present invention, methods for processing well logging data comprise deriving measurements of a plurality of earth formation parameters and combining these measurements in a new manner to enable interpretation of shales and shaly sand type formations. More particularly, measurements of a plurality of the hydrogen index, bulk density, radially deep and shallow resistivity, spontaneous potential, acoustic travel time and natural formation radioactivity content are made and combined in a manner to produce data useful in evaluating shales and shaly sand type formations.
    Type: Grant
    Filed: July 25, 1979
    Date of Patent: January 18, 1983
    Assignee: Schlumberger Technology Corp.
    Inventors: Andre Poupon, Robert G. Gaymard