Patents by Inventor Garry L. Briggs

Garry L. Briggs 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).

  • Corrosion inhibitor for well acidizing treatments
    Patent number: 4698168
    Abstract: A well acidizing treatment solution is shown which comprises an aqueous solution of an acid and a corrosion inhibiting composition which prevents the formation of sludge. The corrosion inhibiting composition is made up of a mixture of propargyl alcohol and cellosolve, the propargyl alcohol being present in the range from about 80-90 weight percent based on the weight of the corrosion inhibiting composition. The composition also contains as an additional ingredient a mixture of a polyglycol, amine derivatives, a phenolformaldehyde resin and tar bases.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: October 6, 1987
    Assignee: Hughes Tool Company
    Inventor: Garry L. Briggs
  • Expansive admixture
    Patent number: 4332619
    Abstract: An expansive admixture is shown of the type used in cementing oil and gas well bores. Aluminum particles are coated with a gasoline and water insoluble wood resin. The resin coated aluminum particles in combination with activated charcoal and a fluid loss additive provide controlled expansion of the slurry over an extended period of time without detracting from other desirable properties of the slurry.
    Type: Grant
    Filed: November 13, 1980
    Date of Patent: June 1, 1982
    Assignee: BJ-Hughes Inc.
    Inventors: Richard G. Gandy, Garry L. Briggs