Patents Represented by Attorney, Agent or Law Firm Timothy Curington
  • 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
  • Orienting tool and method
    Patent number: 6283208
    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: April 16, 1999
    Date of Patent: September 4, 2001
    Assignee: Schlumberger Technology Corp.
    Inventors: Grant E. E. George, Stephen M. Begg