Patents Assigned to CN & LT Consulting Ltd.
  • Bearing assembly for wellbore drilling
    Patent number: 6416225
    Abstract: A bearing assembly is disclosed for use with a mud motor. The bearing assembly includes at least three radial bearings to protect the flow restrictor of the bearing assembly against harmful sideways and lateral loading. The bearing assembly also includes a compression nut to eliminate cracks on the mandrel at the split ring.
    Type: Grant
    Filed: October 26, 2000
    Date of Patent: July 9, 2002
    Assignee: CN & LT Consulting Ltd.
    Inventors: Nicu Valentin Cioceanu, Troy Douglas Lorenson, George Murry Ward