Patents Assigned to Weather/Lamb, Inc.
  • Dual sensor freepoint tool
    Patent number: 6851476
    Abstract: An apparatus and method of determining the point at which a tubular is stuck within another tubular or a wellbore by applying a tensile or torsional force to the stuck tubular and measuring the response of various locations within the tubular. In addition, the apparatus may be combined with a cutting tool to separate the free portion of the tubular from the stuck portion.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: February 8, 2005
    Assignee: Weather/Lamb, Inc.
    Inventors: Kevin L. Gray, James D. Estes