Patents by Inventor Grant George

Grant George 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).

  • Bottom hold completion system for an intermittent plunger
    Patent number: 7347273
    Abstract: A bottom hole assembly for an intermittent lift plunger system includes a retrievable downhole anchor which may be set and reset in one downhole trip, a retrievable packing device, and a plunger stop.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: March 25, 2008
    Assignee: Stellarton Technologies Inc.
    Inventors: Grant George, Geoff Steele, Brent Kohls
  • BOTTOM HOLE COMPLETION SYSTEM FOR AN INTERMITTENT PLUNGER
    Publication number: 20070089885
    Abstract: A bottom hole assembly for an intermittent lift plunger system includes a retrievable downhole anchor which may be set and reset in one downhole trip, a retrievable packing device, and a plunger stop.
    Type: Application
    Filed: October 21, 2005
    Publication date: April 26, 2007
    Inventors: Grant George, Geoff Steele, Brent Kohls
  • Plunger lift system
    Patent number: 7188670
    Abstract: An intermittent lift plunger includes at least one seal mandrel, a bottom sub and an upper valve assembly. The valve assembly is closed by a well bottom stop which inserts into the lift plunger and opened by a lubricator stop at the top of the well. The seal mandrel includes a sleeve seal formed from an elastomeric rubber or plastic, which inflates to engage the well bore surface when the valve is closed and a pressure differential exists.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: March 13, 2007
    Inventors: Ryan Amies, Grant George
  • PLUNGER LIFT SYSTEM
    Publication number: 20060065390
    Abstract: An intermittent lift plunger includes at least one seal mandrel, a bottom sub and an upper valve assembly. The valve assembly is closed by a well bottom stop which inserts into the lift plunger and opened by a lubricator stop at the top of the well. The seal mandrel includes a sleeve seal formed from an elastomeric rubber or plastic, which inflates to engage the well bore surface when the valve is closed and a pressure differential exists.
    Type: Application
    Filed: September 23, 2005
    Publication date: March 30, 2006
    Inventors: Ryan AMIES, Grant GEORGE