Patents by Inventor David D. Onan

David D. Onan 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).

  • Well completion and remedial methods utilizing rubber latex compositions
    Patent number: 5159980
    Abstract: Well completion methods utilizing rubber latex compositions are provided. The compositions are comprised of an aqueous suspension of rubber, a vulcanizing agent and a vulcanization activator, and are placed in a subterranean formation or a well bore at a desired location therein and allowed to vulcanize whereby a solid rubber plug or seal is formed.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: November 3, 1992
    Assignee: Halliburton Company
    Inventors: David D. Onan, Garland W. Davis, Roger S. Cromwell