Patents by Inventor Bradley S. Underwood

Bradley S. Underwood 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: 6822579
    Abstract: A method and apparatus for collecting data downhole in a well bore, even during drilling operations, are disclosed. The apparatus generally comprises an antenna and some associated electronic circuitry. The antenna includes a plurality of arrayed transceiver elements and the electronic circuitry steers transmission or reception through the antenna by controlling the application of power to the array elements. In operation, a transceiver unit containing such an antenna is positioned proximate a remote sensor placed into a formation. An electromagnetic signal is then steered to communicate with the remote sensor over a wireless link.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: November 23, 2004
    Assignee: Schlumberger Technology Corporation
    Inventors: Jaideva C. Goswami, Albert E. Hoefel, Jacques R. Tabanou, Bradley S. Underwood
  • Publication number: 20020167418
    Abstract: A method and apparatus for collecting data downhole in a well bore, even during drilling operations, are disclosed. The apparatus generally comprises an antenna and some associated electronic circuitry. The antenna includes a plurality of arrayed transceiver elements and the electronic circuitry steers transmission or reception through the antenna by controlling the application of power to the array elements. In operation, a transceiver unit containing such an antenna is positioned proximate a remote sensor placed into a formation. An electromagnetic signal is then steered to communicate with the remote sensor over a wireless link.
    Type: Application
    Filed: July 3, 2001
    Publication date: November 14, 2002
    Inventors: Jaideva C. Goswami, Albert E. Hoefel, Jacques R. Tabanou, Bradley S Underwood