Patents by Inventor Sidney J. Guillot

Sidney J. Guillot 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).

  • Abrasive slurry delivery apparatus and methods of using same
    Patent number: 5636691
    Abstract: An abrasive slurry delivery apparatus and associated method of using permit repeated and/or extended use of the apparatus in a subterranean wellbore and reduces abrasive wear of the casing during fracturing operations without requiring the disposal of expensive items of equipment after each fracturing operation. In a preferred embodiment, an abrasive slurry delivery apparatus has a tubular crossover member with an internal flow passage and side wall outlet openings, and a tubular protective member with outlet openings aligned with, but axially and circumferentially smaller than, the crossover outlet openings, coaxially disposed within the crossover.
    Type: Grant
    Filed: September 18, 1995
    Date of Patent: June 10, 1997
    Assignee: Halliburton Energy Services, Inc.
    Inventors: James D. Hendrickson, Dean S. O'Neal, Sidney J. Guillot, Ronnie D. Finley