Patents by Inventor Douglas Avery WARE

Douglas Avery WARE 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).

  • Modular subsea stripper packer and method of using same
    Patent number: 9441444
    Abstract: A stripper packer for sealing a tubular of a wellsite is provided. The stripper packer includes an extendable housing, a packer, and a sliding window. The extendable housing has a passage therethrough to receive the tubular, and includes a piston operatively connectable between an upper and a lower portion of the extendable housing for selective movement therebetween. The packer is positionable within the extendable housing and sealingly engageable with the tubular. The sliding window is slidably positionable in the passage of the extendable housing and engageable with the packer. The sliding window is movable with the piston in response to pressure whereby the packer is sealable with the tubing.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: September 13, 2016
    Assignee: National Oilwell Varco, L.P.
    Inventors: Richard Michael Ward, James Allen Douty, Jeffrey Jeffrey Melancon, Douglas Avery Ware
  • MODULAR SUBSEA STRIPPER PACKER AND METHOD OF USING SAME
    Publication number: 20150075801
    Abstract: A stripper packer for sealing a tubular of a wellsite is provided. The stripper packer includes an extendable housing, a packer, and a sliding window. The extendable housing has a passage therethrough to receive the tubular, and includes a piston operatively connectable between an upper and a lower portion of the extendable housing for selective movement therebetween. The packer is positionable within the extendable housing and sealingly engageable with the tubular. The sliding window is slidably positionable in the passage of the extendable housing and engageable with the packer. The sliding window is movable with the piston in response to pressure whereby the packer is sealable with the tubing.
    Type: Application
    Filed: September 13, 2013
    Publication date: March 19, 2015
    Applicant: NATIONAL OILWELL VARCO, L.P.
    Inventors: Richard Michael WARD, James Allen DOUTY, Jeffrey Thomas MELANCON, Douglas Avery WARE