Patents by Inventor Rahgu Madhavan

Rahgu Madhavan 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).

  • Method and conduit for transmitting signals
    Patent number: 7777644
    Abstract: A wired drill pipe for a drill string of a downhole tool positioned in a wellbore penetrating a subterranean formation is provided. The wired drill pipe includes a drill pipe, a cable and a wire retainer. The drill pipe has a slot at each end thereof. The slots are adapted to receive at least one transformer. The drill pipe has an inner surface defining a passage for the flow of mud therethrough. The cable extends from the transformer into the passage of the drill pipe. The wire retainer is positioned on the inner surface of the drill pipe. The wire retainer is adapted to secure the cable therein.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: August 17, 2010
    Assignee: InatelliServ, LLC
    Inventors: Rahgu Madhavan, Bruce W. Boyle, Brian Clark, Stacy L. Johnson, David Santoso, Lise Hvatum
  • METHOD AND CONDUIT FOR TRANSMITTING SIGNALS
    Publication number: 20070159351
    Abstract: A wired drill pipe for a drill string of a downhole tool positioned in a wellbore penetrating a subterranean formation is provided. The wired drill pipe includes a drill pipe, a cable and a wire retainer. The drill pipe has a slot at each end thereof. The slots are adapted to receive at least one transformer. The drill pipe has an inner surface defining a passage for the flow of mud therethrough. The cable extends from the transformer into the passage of the drill pipe. The wire retainer is positioned on the inner surface of the drill pipe. The wire retainer is adapted to secure the cable therein.
    Type: Application
    Filed: November 28, 2006
    Publication date: July 12, 2007
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: RAHGU MADHAVAN, BRUCE BOYLE, BRIAN CLARK, STACY JOHNSON, DAVID SANTOSO, LISE HVATUM