Patents by Inventor Phillip K. Notz

Phillip K. Notz 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).

  • Method for improving injectivity of fluids in oil reservoirs
    Patent number: 5632336
    Abstract: A method is provided for increasing the rate of injection of flooding fluids into injection wells. A slug of polar solvent or a mixture of polar solvent and non-aqueous flooding fluid is injected into the injection well to displace aqueous and hydrocarbon liquids in the rock surrounding the injection well. Thereafter, the solvent is removed from the vicinity of the injection well by flooding fluid. The process may be repeated following each time water is injected into the injection well.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: May 27, 1997
    Assignee: Texaco Inc.
    Inventors: Phillip K. Notz, John Prieditis, James F. Stevens