Patents by Inventor Merlin Perry

Merlin Perry 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).

  • Patent number: 8297347
    Abstract: Embodiments of the present invention generally relate to a method for controlling the torque applied to a tubular connection. In one embodiment, a method of connecting a first threaded tubular to a second threaded tubular supported by a spider on a drilling rig includes engaging the first threaded tubular with the second threaded tubular; making up the connection by rotating the first tubular using a top drive; and controlling unwinding of the first tubular after the connection is made up.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: October 30, 2012
    Assignee: Weatherford/Lamb, Inc.
    Inventors: Graham Ruark, Merlin Perry, Aaron Dauphine
  • Publication number: 20090266539
    Abstract: Embodiments of the present invention generally relate to a method for controlling the torque applied to a tubular connection. In one embodiment, a method of connecting a first threaded tubular to a second threaded tubular supported by a spider on a drilling rig includes engaging the first threaded tubular with the second threaded tubular; making up the connection by rotating the first tubular using a top drive; and controlling unwinding of the first tubular after the connection is made up.
    Type: Application
    Filed: April 24, 2009
    Publication date: October 29, 2009
    Inventors: Graham Ruark, Merlin Perry, Aaron Dauphine