Patents by Inventor Andrew A.W. Barry

Andrew A.W. Barry 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).

  • Seal assemblies in subsea rotating control devices
    Patent number: 10000988
    Abstract: Rotating control device related oilfield pressure control is accomplished by upper and lower seal members configured to seal around a tubular, a chamber defined between the upper and lower seal members; and wherein fluid enters and/or exits the chamber via some device or structure. Such a device or structure could be a relief valve, a first accumulator, a pressure control valve, an orifice, and/or a void space in a seal member in a location which contacts the tubular.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: June 19, 2018
    Assignee: Weatherford Technology Holdings, LLC
    Inventors: Thomas F. Bailey, Danny W. Wagoner, James W. Chambers, Andrew A. W. Barry, Simon J. Harrall
  • SEAL ASSEMBLIES IN SUBSEA ROTATING CONTROL DEVICES
    Publication number: 20130192847
    Abstract: Rotating control device related oilfield pressure control is accomplished by upper and lower seal members configured to seal around a tubular, a chamber defined between the upper and lower seal members; and wherein fluid enters and/or exits the chamber via some device or structure. Such a device or structure could be a relief valve, a first accumulator, a pressure control valve, an orifice, and/or a void space in a seal member in a location which contacts the tubular.
    Type: Application
    Filed: October 5, 2012
    Publication date: August 1, 2013
    Inventors: Thomas F. Bailey, Danny W. Wagoner, James W. Chambers, Andrew A.W. Barry, Simon J. Harrall