Patents by Inventor William F. Bernard

William F. Bernard 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).

  • System for preventing hydrate plug formation in gas wells
    Patent number: 4306624
    Abstract: A modification is provided in an assembly for use in an offshore well test string during oil or gas tests on exploration wells. The well has a well bore and a test string with a subsea test tree located in the vicinity of the subsea blowout preventor at the sea floor. The modified assembly includes at least one line having one end in communication with a supply of methanol and the other end in communication with the test string below the sea floor.
    Type: Grant
    Filed: December 11, 1979
    Date of Patent: December 22, 1981
    Assignee: Dome Petroleum Limited
    Inventors: William F. Bernard, David I. Wilkie, William J. Cooke