Patents by Inventor Nancy L. Sahr

Nancy L. Sahr 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).

  • Sand control with resin and explosive
    Patent number: 5145013
    Abstract: A method for diverting resins and other treating fluids used for sand control in wells drilled through unconsolidated subterranean formations is provided. Explosives placed in the wellbore in proximity to the treating solutions are actuated to divert the solutions through all perforations in the casing of the well and allow sand-free production of fluids through the well.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: September 8, 1992
    Assignee: Oryx Energy Company
    Inventors: John M. Dees, William J. Begnaud, Nancy L. Sahr