Patents Assigned to Schluimberger Technology Corporation
  • Patent number: 7744164
    Abstract: In one aspect of the present invention, a degradation assembly comprises a shank with a forward end and a rearward end, the rearward end being adapted for attachment to a driving mechanism, with a shield rotatably attached to the forward end of the shank. The shield comprises an underside adapted for rotatable attachment to the shank and an impact tip disposed on an end opposing the underside. A seal is disposed intermediate the shield and the shank.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: June 29, 2010
    Assignee: Schluimberger Technology Corporation
    Inventors: David R. Hall, Ronald Crockett, Scott Dahlgren