Patents by Inventor Gualtiero Ferrario

Gualtiero Ferrario 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 for the drilling of oil wells
    Publication number: 20020189864
    Abstract: Method for the drilling of oil wells and for the positioning of the appropriate casings, consisting in drilling the well section of interest and, during the drilling, in maintaining a high degree of hole regularity by the use of automatic verticality and/or curvature control equipment. This method allows the positioning of casings with an almost constant clearance with values of +/−1.5 inches for the whole well depth (lean profile).
    Type: Application
    Filed: June 28, 2002
    Publication date: December 19, 2002
    Inventors: Angelo Calderoni, Gualtiero Ferrario