Patents by Inventor Kenneth W. Stokley

Kenneth W. Stokley 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: 9816347
    Abstract: A downhole isolation tool includes a mandrel made of non-metallic material, the mandrel comprising an isolation region at a first end of the mandrel, a shear sleeve adapter disposable on an outer surface of the isolation region, the shear sleeve adapter having holes aligned with holes in the outer surface of the isolation region, a slip assembly positioned around an outer surface of the mandrel, a packing element positioned around the outer surface of the mandrel, and a shoe positioned around the outer surface of the mandrel at a second end of the mandrel.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: November 14, 2017
    Assignee: FORUM US, INC.
    Inventors: Louis W. Chenault, Graham L. Chenault, Glen Holcomb, Kenneth W. Stokley
  • Publication number: 20150176366
    Abstract: A downhole isolation tool includes a mandrel made of non-metallic material, the mandrel comprising an isolation region at a first end of the mandrel, a shear sleeve adapter disposable on an outer surface of the isolation region, the shear sleeve adapter having holes aligned with holes in the outer surface of the isolation region, a slip assembly positioned around an outer surface of the mandrel, a packing element positioned around the outer surface of the mandrel, and a shoe positioned around the outer surface of the mandrel at a second end of the mandrel.
    Type: Application
    Filed: March 10, 2015
    Publication date: June 25, 2015
    Applicant: WIRELINE SOLUTIONS, LLC
    Inventors: Louis W. CHENAULT, Graham L. CHENAULT, Glen HOLCOMB, Kenneth W. STOKLEY
  • Patent number: 9016364
    Abstract: A downhole isolation tool adapted to be converted in the field into any one of a bridge plug, ball drop plug, or a caged ball plug. The components used to assemble the tool, such as the mandrel, slips, and conversion adapters and accessories, are constructed primarily of non-metallic material. Through use of the disclosed isolation tool, drillout time is greatly reduced.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: April 28, 2015
    Assignee: Wireline Solutions, LLC
    Inventors: Louis W. Chenault, Graham L. Chenault, Glen Holcomb, Kenneth W. Stokley
  • Patent number: 8991485
    Abstract: A slip assembly adapted to be used with a downhole tool which comprises metal slip inserts attached to a slip carrier made of a non-metallic material, such as composite material. As such, the non-metallic slip carrier can eliminate 60-70% or more of the metal used in conventional slip assemblies. Through use of the disclosed slip assembly, downhole tools may be set, while also reducing the metallic material used therein and, thus, greatly reducing the drill out time.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: March 31, 2015
    Assignee: Wireline Solutions, LLC
    Inventors: Louis W. Chenault, Graham L. Chenault, Glen Holcomb, Kenneth W. Stokley
  • Publication number: 20120125637
    Abstract: A slip assembly adapted to be used with a downhole tool which comprises metal slip inserts attached to a slip carrier made of a non-metallic material, such as composite material. As such, the non-metallic slip carrier can eliminate 60-70% or more of the metal used in conventional slip assemblies. Through use of the disclosed slip assembly, downhole tools may be set, while also reducing the metallic material used therein and, thus, greatly reducing the drill out time.
    Type: Application
    Filed: November 22, 2011
    Publication date: May 24, 2012
    Inventors: Louis W. Chenault, Graham L. Chenault, Glen Holcomb, Kenneth W. Stokley
  • Publication number: 20120125642
    Abstract: A downhole isolation tool adapted to be converted in the field into any one of a bridge plug, ball drop plug, or a caged ball plug. The components used to assemble the tool, such as the mandrel, slips, and conversion adapters and accessories, are constructed primarily of non-metallic material. Through use of the disclosed isolation tool, drillout time is greatly reduced.
    Type: Application
    Filed: November 22, 2011
    Publication date: May 24, 2012
    Inventors: Louis W. Chenault, Graham L. Chenault, Glen Holcomb, Kenneth W. Stokley