Patents by Inventor Sanjay M. Vitthal

Sanjay M. Vitthal 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: 5558161
    Abstract: A method of fracturing high permeability formations is provided utilizing a first crosslinked gel fluid to initiate the fracture followed by a second gel which results in improved proppant transport and packing of the fracture.
    Type: Grant
    Filed: February 2, 1995
    Date of Patent: September 24, 1996
    Assignee: Halliburton Company
    Inventors: Sanjay M. Vitthal, Mary A. Hardy, David E. McMechan, William E. Martch, Ronald G. Dusterhoft