Patents by Inventor Nancy Sue KIRK

Nancy Sue KIRK 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).

  • Patent number: 7977283
    Abstract: The amount of crystallized salt in an oil and/or gas well may be minimized or reduced by use of a fructan, such as inulin, or a derivative as a salt block inhibitor. A preferred salt inhibitor is the salt of carboxyalkyl inulin such as a sodium salt of carboxymethyl inulin. The salt block inhibitor may be adsorbed onto a water-insoluble adsorbent.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: July 12, 2011
    Assignee: Baker Hughes Incorporated
    Inventors: D. V. Satyanarayana Gupta, Joseph Walter Kirk, Nancy Sue Kirk, legal representative
  • Publication number: 20090325825
    Abstract: The amount of crystallized salt in an oil and/or gas well may be minimized or reduced by use of a fructan, such as inulin, or a derivative as a salt block inhibitor. A preferred salt inhibitor is the salt of carboxyalkyl inulin such as a sodium salt of carboxymethyl inulin. The salt block inhibitor may be adsorbed onto a water-insoluble adsorbent.
    Type: Application
    Filed: June 27, 2008
    Publication date: December 31, 2009
    Inventors: D.V. Satyanarayana GUPTA, Nancy Sue KIRK