Patents by Inventor Billy B. Bertram

Billy B. Bertram 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).

  • Patent number: 4371038
    Abstract: An injection assembly includes a packer set in the casing adjacent to the producing zone, having a bore sized to receive production tubing. A portion of the assembly suspended from the string of production tubing includes a side pocket mandrel, a twin flow head, an extensible telescoping housing, and coacting joint means on the extensible housing and the packer for axial joining of these members. The side pocket mandrel, twin flow head, and twin flow converter provide a first passage joined to the production tubing; and a length of inner tubing joined to the twin flow converter extends this passage down into the bore of the packer.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: February 1, 1983
    Assignees: Otis Engineering Corporation, Exxon Production Research Company
    Inventors: William L. Abernathy, Billy B. Bertram, Anthony D. Davis, Richard M. Ward