Patents by Inventor Grand E. E. George

Grand E. E. 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).

  • Deviated borehole drilling assembly
    Patent number: 6334485
    Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: January 1, 2002
    Assignee: Schlumberger Technology Corporation
    Inventor: Grand E. E. George
  • Deviated borehole drilling assembly
    Patent number: 6332498
    Abstract: An assembly for formation and completion of deviated wellbores is disclosed which includes a toolguide and a casing section which can be used together or separately. The toolguide includes a lower orienting section and a whipstock having a sloping face, commonly known as the directional portion of a whipstock. The toolguide is coated with a material such as epoxy or polyurethane to provide a repairable surface and one which can be removed to facilitate removal of the toolguide from the well bore. The lower orienting section has a latch which extends radially outwardly from the section and can be locked in the outwardly biased position.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: December 25, 2001
    Assignee: Schlumberger Technology Corp.
    Inventor: Grand E. E. George