Patents by Inventor Robert D. Mann

Robert D. Mann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7467685
    Abstract: An apparatus for generating a seismic signal in a wellbore includes an elongated housing configured to be disposed in the wellbore; a piston slidably disposed in an internal bore in the elongated housing; a strike plate fixed on the elongated housing proximate one end of the internal bore; and an energizing mechanism configured to move the piston to hit the strike plate. A downhole system for seismic survey of a formation penetrated by a wellbore includes at least one seismic receiver; a seismic source; and at least one inflatable packer configured to separate the seismic source and the at least one seismic receiver in different compartments in the wellbore when inflated.
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: December 23, 2008
    Assignee: Schlumberger Technology Corporation
    Inventors: Gamal Shehab, Robert D. Mann, Brian Abbott, James F. Minear, David Gillis, George R. Kear