Patents by Inventor Sean A. Alley

Sean A. Alley 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).

  • Rotating control device with positive drive gripping device
    Patent number: 9488025
    Abstract: A rotating control device can include a rotatably mounted seal which sealingly engages a drill string, and a gripping device which grips the drill string and thereby forces the seal to rotate with the drill string. A drilling method can include positioning a drill string in a rotating control device, gripping the drill string with a gripping device of the rotating control device, and rotating the drill string, gripping engagement between the gripping device and the drill string causing a seal of the rotating control device to rotate along with the drill string. A well system can include a drill string, and a rotating control device including a seal which sealingly engages the drill string and a gripping device which grippingly engages the drill string.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: November 8, 2016
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Fredrick D. Curtis, Sean A. Alley
  • ROTATING CONTROL DEVICE WITH POSITIVE DRIVE GRIPPING DEVICE
    Publication number: 20120255783
    Abstract: A rotating control device can include a rotatably mounted seal which sealingly engages a drill string, and a gripping device which grips the drill string and thereby forces the seal to rotate with the drill string. A drilling method can include positioning a drill string in a rotating control device, gripping the drill string with a gripping device of the rotating control device, and rotating the drill string, gripping engagement between the gripping device and the drill string causing a seal of the rotating control device to rotate along with the drill string. A well system can include a drill string, and a rotating control device including a seal which sealingly engages the drill string and a gripping device which grippingly engages the drill string.
    Type: Application
    Filed: March 15, 2012
    Publication date: October 11, 2012
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Fredrick D. Curtis, Sean A. Alley