Patents by Inventor Leopolodo Sierra

Leopolodo Sierra 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: 20060283592
    Abstract: Methods that include a method comprising: providing a treatment fluid comprising an aqueous base fluid and a relative permeability modifier, wherein the relative permeability comprises a water-soluble polymer having hydrophobic or hydrophilic modification; introducing the treatment fluid into an interval of a well bore penetrating the subterranean formation; creating one or more perforations through a hydrajetting tool in the interval of the well bore, wherein the perforations extend from the well bore and into the subterranean formation; and allowing the treatment fluid to contact a portion of the subterranean formation.
    Type: Application
    Filed: July 12, 2006
    Publication date: December 21, 2006
    Inventors: Leopolodo Sierra, Larry Eoff