Patents by Inventor William Michael Pritchett

William Michael Pritchett 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).

  • Subsea structure installation or removal
    Patent number: 8622137
    Abstract: There is disclosed a system comprising a subsea structure; and a carrier comprising an opening adapted to receive the subsea structure.
    Type: Grant
    Filed: August 13, 2009
    Date of Patent: January 7, 2014
    Assignee: Shell Oil Company
    Inventors: William Scott Childres, John Joseph Kenney, William Michael Pritchett, Bruce Clinton Volkert
  • Skid shoe assembly for loading and transporting large structures
    Patent number: 8534213
    Abstract: A system comprising a floating vessel comprising a deck having a longitudinal axis and a lateral axis; a plurality of support structures in an array spaced along the longitudinal axis and the lateral axis; a plurality of lateral support members spanning a lateral distance between adjacent support structures; a plurality of longitudinal support members spanning a longitudinal distance between adjacent support structures; a skid beam resting on the plurality of lateral support members and the plurality of longitudinal support members; and a skid shoe resting on the skid beam.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: September 17, 2013
    Assignee: Shell Oil Company
    Inventors: James Scott Chitwood, David Alex Knoll, Edward Stephen Piter, William Michael Pritchett, Roy Keith Smith, Wilbert Ray Ulbricht
  • RIGLESS INTERVENTION
    Publication number: 20120315096
    Abstract: A method comprising providing a first vessel floating on a surface of a body of water; connecting a first line from the first vessel to a subsea structure; lifting the subsea structure within the body of water; connecting a second line from a second vessel to the subsea structure; disconnecting the first line from the subsea structure; and lifting subsea structure to the second vessel with the second line.
    Type: Application
    Filed: February 9, 2011
    Publication date: December 13, 2012
    Inventors: Robert Love Byers, Scott Winfield Davis, Jason Hunter Gage, John Joseph Kenney, William Michael Pritchett, Bruce Clinton Volkert
  • SKID SHOE ASSEMBLY FOR LOADING AND TRANSPORTING LARGE STRUCTURES
    Publication number: 20120247380
    Abstract: A system comprising a floating vessel comprising a deck having a longitudinal axis and a lateral axis; a plurality of support structures in an array spaced along the longitudinal axis and the lateral axis; a plurality of lateral support members spanning a lateral distance between adjacent support structures; a plurality of longitudinal support members spanning a longitudinal distance between adjacent support structures; a skid beam resting on the plurality of lateral support members and the plurality of longitudinal support members; and a skid shoe resting on the skid beam.
    Type: Application
    Filed: February 16, 2010
    Publication date: October 4, 2012
    Inventors: James Scott Chitwood, David Alex Knoll, Edward Stephen Piter, William Michael Pritchett, Roy Keith Smith, Wilbert Ray Ulbricht
  • SKID BEAM ASSEMBLY FOR LOADING AND TRANSPORTING LARGE STRUCTURES
    Publication number: 20120006247
    Abstract: A system comprising a floating vessel comprising a deck having a longitudinal axis and a lateral axis; a plurality of support structures in an array spaced along the longitudinal axis and the lateral axis; a plurality of lateral support members spanning a lateral distance between adjacent support structures; a plurality of longitudinal support members spanning a longitudinal distance between adjacent support structures; and a skid beam resting on the plurality of lateral support members and the plurality of longitudinal support members.
    Type: Application
    Filed: February 16, 2010
    Publication date: January 12, 2012
    Inventors: Edward Stephen Piter, William Michael Pritchett, Roy Keith Smith, Wilbert Ray Ulbricht
  • SUBSEA STRUCTURE INSTALLATION OR REMOVAL
    Publication number: 20110186301
    Abstract: There is disclosed a system comprising a subsea structure; and a carrier comprising an opening adapted to receive the subsea structure.
    Type: Application
    Filed: August 13, 2009
    Publication date: August 4, 2011
    Inventors: William Scott Childers, John Joseph Kenney, William Michael Pritchett, Bruce Clinton Volkert