Patents by Inventor Richard J. SAUVAGEAU

Richard J. SAUVAGEAU 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).

  • PARTICLE IMPACT DRILL BITS AND ASSOCIATED METHODS
    Publication number: 20230133889
    Abstract: A particle impact drill bit for a well system includes a central axis, a longitudinal first end, a longitudinal second end opposite the first end, and a feed passage extending into the drill bit from the first end, a pilot section located at the second end, the pilot section including one or more converging nozzles in fluid communication with the feed passage, and a reamer section located between the first end and the second end and including one or more reamer blades extending radially outwards from the central axis of the drill bit, and wherein the reamer section defines a maximum width of the drill bit.
    Type: Application
    Filed: October 12, 2022
    Publication date: May 4, 2023
    Applicant: National Oilwell DHT, L.P.
    Inventors: Tony P. Pink, JR., Tom S. Roberts, Jason R. Cunningham, Richard J. Sauvageau
  • Inner gauge ring drill bit
    Patent number: 9359821
    Abstract: A drill bit comprises a plurality of annular blades coupled to a bit body. A plurality of gauge pads is coupled to the bit body and defines an outer cutting diameter. A circumferentially continuous gauge ring is coupled to the bit body and defines an inner cutting diameter. An inner cutting structure is coupled to the bit body and has a cutting diameter substantially equal to the inner cutting diameter.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: June 7, 2016
    Assignee: National Oilwell Varco, L.P.
    Inventor: Richard J. Sauvageau
  • INNER GAUGE RING DRILL BIT
    Publication number: 20130228382
    Abstract: A drill bit comprises a plurality of annular blades coupled to a bit body. A plurality of gauge pads is coupled to the bit body and defines an outer cutting diameter. A circumferentially continuous gauge ring is coupled to the bit body and defines an inner cutting diameter. An inner cutting structure is coupled to the bit body and has a cutting diameter substantially equal to the inner cutting diameter.
    Type: Application
    Filed: February 22, 2013
    Publication date: September 5, 2013
    Applicant: National Oilwell Varco, L.P.
    Inventor: Richard J. SAUVAGEAU