Patents by Inventor Steve Stringfellow

Steve Stringfellow 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).

  • One trip cement and gravel pack system
    Patent number: 5746274
    Abstract: An apparatus and method is provided that allows an operator to drill a well into a formation requiring treatment or gravel packing in a single pass, then to lower and position the liner and production strings simultaneously. The invention allows cementing of the liner prior to any treatment or gravel packing, and provides an integral circulation system to allow formation treatment or gravel packing of the production string. Once treatment or gravel packing is completed, the invention provides mechanical fluid loss control as the circulation system is pulled out of the hole.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: May 5, 1998
    Assignee: Baker Hughes Incorporated
    Inventors: Benn Arild Voll, Matthew S. Kebodeaux, Steve Stringfellow, Christian F. Bayne
  • One trip cement and gravel pack system
    Patent number: 5595246
    Abstract: An apparatus and method is provided that allows an operator to drill a well into a formation requiring treatment or gravel packing in a single pass, then to lower and position the liner and production strings simultaneously. The invention allows cementing of the liner prior to any treatment or gravel packing, and provides an integral circulation system to allow formation treatment or gravel packing of the production string. Once treatment or gravel packing is completed, the invention provides mechanical fluid loss control as the circulation system is pulled out of the hole.
    Type: Grant
    Filed: February 14, 1995
    Date of Patent: January 21, 1997
    Assignee: Baker Hughes Incorporated
    Inventors: Benn A. Voll, Matthew S. Kebodeaux, Steve Stringfellow