Patents by Inventor Christopher Lee Colenutt

Christopher Lee Colenutt 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: 10385628
    Abstract: Wear sleeves and methods of using and installing such sleeves within a tubing hanger in a production wellhead assembly. A method includes positioning a wear sleeve around a polished rod and within a tubing hanger in a production wellhead assembly, the wear sleeve defining a production fluid passage. A wear sleeve includes an outer part with pin threading sized to fit uphole facing box threading in an internal bore of a tubing hanger; an inner part defining a polished rod passage, the inner part comprising sacrificial material; a keyway defined on an uphole facing surface of one or both the outer part and the inner part; and a production fluid passage defined in use by one or more of the outer part or the inner part.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: August 20, 2019
    Assignee: Colenutt Contracting Services Ltd.
    Inventor: Christopher Lee Colenutt
  • Publication number: 20160340984
    Abstract: Wear sleeves and methods of using and installing such sleeves within a tubing hanger in a production wellhead assembly. A method includes positioning a wear sleeve around a polished rod and within a tubing hanger in a production wellhead assembly, the wear sleeve defining a production fluid passage. A wear sleeve includes an outer part with pin threading sized to fit uphole facing box threading in an internal bore of a tubing hanger; an inner part defining a polished rod passage, the inner part comprising sacrificial material; a keyway defined on an uphole facing surface of one or both the outer part and the inner part; and a production fluid passage defined in use by one or more of the outer part or the inner part.
    Type: Application
    Filed: May 22, 2015
    Publication date: November 24, 2016
    Inventor: Christopher Lee Colenutt