Patents by Inventor Kathleen CASSARD

Kathleen CASSARD 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).

  • Surge immune liner setting tool
    Patent number: 9518452
    Abstract: A setting tool for hanging a tubular string includes: a tubular mandrel having an actuation port formed through a wall thereof; a debris barrier for engaging an upper end of the tubular string; and a piston having an upper face in fluid communication with the actuation port. The setting tool further includes: an actuator sleeve extending along the mandrel and connected to the piston; a latch releasably connecting the debris barrier to the actuator sleeve and for releasably connecting the debris barrier to the tubular string; a packoff connected to the mandrel below the piston and operable to seal against an inner surface of the tubular string, thereby forming a buffer chamber between the debris barrier and the packoff; and a passage. The passage: is in fluid communication with a lower face of the piston, is formed in a wall of and along the mandrel, and bypasses the packoff.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: December 13, 2016
    Assignee: Weatherford Technology Holdings, LLC
    Inventors: Rocky A. Turley, Mike Bock, George Givens, Kathleen Cassard, Paul A. Reinhardt
  • SURGE IMMUNE LINER SETTING TOOL
    Publication number: 20140196912
    Abstract: A setting tool for hanging a tubular string includes: a tubular mandrel having an actuation port formed through a wall thereof; a debris barrier for engaging an upper end of the tubular string; and a piston having an upper face in fluid communication with the actuation port. The setting tool further includes: an actuator sleeve extending along the mandrel and connected to the piston; a latch releasably connecting the debris barrier to the actuator sleeve and for releasably connecting the debris barrier to the tubular string; a packoff connected to the mandrel below the piston and operable to seal against an inner surface of the tubular string, thereby forming a buffer chamber between the debris barrier and the packoff; and a passage. The passage: is in fluid communication with a lower face of the piston, is formed in a wall of and along the mandrel, and bypasses the packoff.
    Type: Application
    Filed: January 14, 2014
    Publication date: July 17, 2014
    Applicant: WEATHERFORD/LAMB, INC.
    Inventors: Rocky A. TURLEY, Mike BOCK, George GIVENS, Kathleen CASSARD, Paul A. REINHARDT