Patents by Inventor David Glenn Hall

David Glenn Hall 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).

  • Spherical pellets containing common clay particulate material useful as a proppant in hydraulic fracturing of oil and gas wells
    Patent number: 8772207
    Abstract: A ceramic propping agent, in the form of a spherical pellet, and containing common mineral particulate. The desired propping agent is defined as a particulate ceramic made from raw materials which may be comprised of about: 10%-90% parts by weight of a naturally occurring mineral particulate, 30%-70% parts by weight aluminosilicate network modifier, 0.25-20% parts by weight strength enhancer, and at least one part, typically less than 10% by weight, binder. For use in oil and/or natural gas wells as a hydraulic fracturing proppant.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: July 8, 2014
    Assignee: Brownwood Clay Holdings, LLC
    Inventors: Bryan Dell Geary, David Glenn Hall, Carlton Frazier Sorrell, Gary J. Davis, Richard F. Watkins
  • SPHERICAL PELLETS CONTAINING COMMON CLAY PARTICULATE MATERIAL USEFUL AS A PROPPANT IN HYDRAULIC FRACTURING OF OIL AND GAS WELLS
    Publication number: 20130345100
    Abstract: A ceramic propping agent, in the form of a spherical pellet, and containing common mineral particulate. The desired propping agent is defined as a particulate ceramic made from raw materials which may be comprised of about: 10%-90% parts by weight of a naturally occurring mineral particulate, 30%-70% parts by weight aluminosilicate network modifier, 0.25-20% parts by weight strength enhancer, and at least one part, typically less than 10% by weight, binder. For use in oil and/or natural gas wells as a hydraulic fracturing proppant.
    Type: Application
    Filed: June 21, 2013
    Publication date: December 26, 2013
    Applicant: Brownwood Clay Holdongs, LLC
    Inventors: Bryan Dell Geary, David Glenn Hall, Carlton Frazier Sorrell, Gary J. Davis, Richard F. Watkins