Patents Examined by Wililam P Neuder
  • Patent number: 8235145
    Abstract: The present invention recites a method, system and apparatus, wherein said method, system and apparatus comprises a gauge pad for a rotary component received within a borehole, the gauge pad comprising an exterior surface dimensioned for rotation in close proximity to the borehole, a pocket extending through the exterior surface, the pocket in fluid communication with a pressurized fluid source, and wherein the exterior surface is dimensioned such that when a pressurized fluid is discharged through the pocket, the velocity of the fluid through a gap between the exterior surface and borehole creates a pressure drop sufficient to pull the rotary component toward the gauge pad.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: August 7, 2012
    Assignee: Schlumberger Technology Corporation
    Inventors: Kjell Haugvaldstad, Ashley Johnson, Geoffrey C. Downton, Walter David Aldred, Frank F. Espinosa, Benjamin P. Jeffryes, Riadh Boualleg, Michael P. Barrett