Patents by Inventor Y. Gill Hillsman, III

Y. Gill Hillsman, III 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: 8499843
    Abstract: The invention is a sealing system, such as a packer, that is used in a wellbore to seal against an exterior surface, such as a casing or open wellbore. The sealing system includes a swellable material that swells from an unexpanded state to an expanded state thereby creating a seal when the swellable material comes into contact with a triggering fluid.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: August 6, 2013
    Assignee: Schlumberger Technology Corporation
    Inventors: Dinesh R. Patel, Y. Gill Hillsman, III, Herve Ohmer, Stephane Hiron, Philippe Gambier, Jonathan K. C. Whitehead, Randolph J. Sheffield, Rodney J. Wetzel, John R. Whitsitt, Thomas D. MacDougall, Nitin Y. Vaidya, James D. Hendrickson, John E. Edwards, Donald W. Ross, Rashmi B. Bhavsar