Patents by Inventor Vernon S. Neal

Vernon S. Neal 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: 4526693
    Abstract: The invention relates to a clay based aqueous drilling fluid containing dissolved inorganic salts for use in drilling through either or both shale and salt formations. The fluid is prepared by dissolving designated quantities of ammonium chloride and sodium chloride in the aqueous fluid prior to admixing of the clay and other additives.
    Type: Grant
    Filed: May 16, 1983
    Date of Patent: July 2, 1985
    Assignees: Halliburton Co., TXP Operating Co.
    Inventors: Adelina J. Son, Vernon S. Neal, Christopher M. Garvey