Patents by Inventor Tim G. Rossknecht

Tim G. Rossknecht 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).

  • Slow acidizing of geological formations
    Patent number: 5979556
    Abstract: A method for continuously acidizing a geological rock formation for at least 3 months comprising adding a dilute acid to a geothermal carrier fluid in a concentration less than 0.1 weight percent to produce an acidified fluid and continuously contacting the rock formation with the acidified fluid until the permeability of the formation is increased.
    Type: Grant
    Filed: July 25, 1996
    Date of Patent: November 9, 1999
    Assignee: Union Oil Company of California
    Inventors: Darrell L. Gallup, Tim G. Rossknecht