Patents by Inventor HAFID J. HERNANDEZ

HAFID J. HERNANDEZ 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).

  • VISCOELASTIC SURFACTANT COMPATIBLE ACID CORROSION INHIBITOR AND METHODS OF USING SAME
    Publication number: 20170321109
    Abstract: An acid corrosion inhibitor is provided that is compatible with viscoelastic surfactants and useful for enhancing the production of hydrocarbon bearing formations. The viscoelastic surfactant can used in fracturing of subterranean formations penetrated by an oil or gas well or in connection with acidizing or other treatment processes. The acid corrosion inhibitor can include a viscoelastic surfactant and an active inhibition compound which can comprise a reaction product of thiourea, paraformaldehyde and acetophenone, or amines (linear or cyclic), amine quaternaries (linear or cyclic) or combinations or mixtures thereof.
    Type: Application
    Filed: May 9, 2017
    Publication date: November 9, 2017
    Applicant: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: JINGSHE SONG, MICHAEL L. WALKER, HAFID J. HERNANDEZ, WILLIAM STEVENS