Patents by Inventor Rocky M. Fitzgerald

Rocky M. Fitzgerald 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).

  • Publication number: 20110214860
    Abstract: The present invention relates to low environmental impact treatment fluids comprising a compliant crosslinking agent, and methods of use employing such treatment fluids to treat subterranean formations. The methods include providing a low environmental impact treatment fluid including an aqueous base fluid, a viscosifying agent, and a compliant crosslinking agent that comprises an iron ion and a non-iron crosslinking metal ion; and placing the treatment fluid in a subterranean formation. In some embodiments, the viscosifying agent may be a compliant viscosifying agent.
    Type: Application
    Filed: March 5, 2010
    Publication date: September 8, 2011
    Inventors: Narongsak Tonmukayakul, Rajesh K. Saini, David M. Loveless, Gary P. Funkhouser, Feng Liang, Rocky M. Fitzgerald, Jeremy Holtsclaw, Phillip C. Harris, Lewis R. Norman