Patents by Inventor James C. Burtner

James C. Burtner 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).

  • Monobore shoe
    Patent number: 6843322
    Abstract: A method of attaching a tubular to an existing tubular in a well without reducing the inside diameter of the well is described. A shoe is attached to the lower end of the existing lowermost casing or tubular, generally prior to the casing being cemented or otherwise secured in the wellbore. The shoe has a diameter larger than the inside diameter of the casing or tubular to which it is attached. Subsequently, a liner is run in until its top end is in the enlarged diameter region of the shoe. A hanger can be optionally used. The liner is expanded into the enlarged diameter so that the net result is that the inside diameter in the wellbore is not reduced by the addition of the liner.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: January 18, 2005
    Assignee: Baker Hughes Incorporated
    Inventors: James C. Burtner, Alan Brent Emerson, Matthew J. Jabs
  • Monobore shoe
    Publication number: 20030221841
    Abstract: A method of attaching a tubular to an existing tubular in a well without reducing the inside diameter of the well is described. A shoe is attached to the lower end of the existing lowermost casing or tubular, generally prior to the casing being cemented or otherwise secured in the wellbore. The shoe has a diameter larger than the inside diameter of the casing or tubular to which it is attached. Subsequently, a liner is run in until its top end is in the enlarged diameter region of the shoe. A hanger can be optionally used. The liner is expanded into the enlarged diameter so that the net result is that the inside diameter in the wellbore is not reduced by the addition of the liner.
    Type: Application
    Filed: May 21, 2003
    Publication date: December 4, 2003
    Inventors: James C. Burtner, Alan Brent Emerson, Matthew J. Jabs