Patents by Inventor Billy E. Hamilton

Billy E. Hamilton 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).

  • Foam breaker and method
    Patent number: 5015273
    Abstract: An apparatus and method for breaking up a mixture of gas and liquid forming a foam returning from an oil and/or gas well. The foam breaker includes a housing having a bore for receiving the foam and a restriction in the bore for compressing the foam. A plurality of jets in the restriction are directed into the bore for saturating the foam for breaking up the mixture. The recovered liquid may be filtered and reused.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: May 14, 1991
    Assignee: Camco International Inc.
    Inventors: Billy E. Hamilton, Brian K. Moore, Donald E. Newton
  • Method of plugging openings in well conduits
    Patent number: 4869321
    Abstract: Thread leaks, small holes, and leaks around packers in well casings and production tubing are repaired by applying a compressed foam mixture which includes discrete solid particles of various sizes for forcing the suspended particles into the opening to provide a high friction seal. The foam mixture is moved along the inside of the conduit sandwiched between fluid bodies for maintaining the foam mixture intact. Back pressure is applied to the foam mixture for aiding the mixture to be forced through the openings.
    Type: Grant
    Filed: February 10, 1989
    Date of Patent: September 26, 1989
    Assignee: Camco, Incorporated
    Inventor: Billy E. Hamilton