Patents by Inventor O. Duane Gaither, JR.

O. Duane Gaither, JR. 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).

  • Publication number: 20200399996
    Abstract: A method and apparatus for extracting and producing heavy crude oil from subterranean oil fields is provided. The method utilizes a specially designed mixing mandrel to facilitate the combination and mixing of a high API gravity diluent with heavy crude oil from a subterranean oil reservoir, such that the resulting heavy oil mixture can be efficiently pumped to the surface.
    Type: Application
    Filed: September 4, 2020
    Publication date: December 24, 2020
    Inventor: O. Duane Gaither, JR.
  • Patent number: 10767455
    Abstract: A method and apparatus for extracting and providing heavy crude oil from subterranean oil fields. The method utilizes a specially designed mixing mandrel to facilitate the combination and mixing of a high AP gravity diluent with heavy crude oil from a subterranean oil reservoir, such that the resulting heavy oil mixture can be efficiently pumped to the surface.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: September 8, 2020
    Inventor: O. Duane Gaither, Jr.
  • Publication number: 20160333678
    Abstract: A method and apparatus for extracting and producing heavy crude oil from subterranean oil fields is provided. The method utilizes a specially designed mixing mandrel to facilitate the combination and mixing of a high API gravity diluent with heavy crude oil from a subterranean oil reservoir, such that the resulting heavy oil mixture can be efficiently pumped to the surface.
    Type: Application
    Filed: May 11, 2016
    Publication date: November 17, 2016
    Inventor: O. Duane Gaither, JR.