Patents by Inventor Gavin J. Bell

Gavin J. Bell 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).

  • Downhole tubular lifter and method of using the same
    Patent number: 8146668
    Abstract: A method of raising a tubular, comprising attaching a lifter to a tubular associated with a wellbore, and operating the lifter to transmit a downward force to a subterranean formation via a surface of the wellbore formed in the subterranean formation while also operating the lifter to transmit an upward force to the tubular. A lifter for lifting a tubular associated with a wellbore comprising a securing mechanism configured to restrict movement of the securing mechanism relative to an upper tubular portion, and a piston configured to be received within a lower tubular portion and configured to promote a seal between the piston and the lower tubular portion.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: April 3, 2012
    Assignee: Halliburton Energy Services Inc.
    Inventor: Gavin J. Bell
  • Downhole Tubular Lifter and Method of Using the Same
    Publication number: 20100307768
    Abstract: A method of raising a tubular, comprising attaching a lifter to a tubular associated with a wellbore, and operating the lifter to transmit a downward force to a subterranean formation via a surface of the wellbore formed in the subterranean formation while also operating the lifter to transmit an upward force to the tubular. A lifter for lifting a tubular associated with a wellbore comprising a securing mechanism configured to restrict movement of the securing mechanism relative to an upper tubular portion, and a piston configured to be received within a lower tubular portion and configured to promote a seal between the piston and the lower tubular portion.
    Type: Application
    Filed: June 8, 2009
    Publication date: December 9, 2010
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventor: Gavin J. Bell