Patents by Inventor Robert Villarreal

Robert Villarreal 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).

  • Methods and apparatus for reducing electromagnetic signal noise
    Patent number: 7243028
    Abstract: The present invention generally provides methods and apparatus for reducing noise in a detected electromagnetic wave used to telemeter data during a wellbore operation. In one embodiment, two surface antennae are placed on opposite sides of the wellbore and at the same distance from the wellbore. The signals from the two antennae are summed to reduce the noise in the electromagnetic signal transmitted from the electromagnetic downhole tool.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: July 10, 2007
    Assignee: Weatherford/Lamb, Inc.
    Inventors: Allen Young, Michael Nero, Laurence Barry, Hugh Hawthorne, Robert Villarreal
  • Methods and apparatus for reducing electromagnetic signal noise
    Publication number: 20060035591
    Abstract: The present invention generally provides methods and apparatus for reducing noise in a detected electromagnetic wave used to telemeter data during a wellbore operation. In one embodiment, two surface antennae are placed on opposite sides of the wellbore and at the same distance from the wellbore. The signals from the two antennae are summed to reduce the noise in the electromagnetic signal transmitted from the electromagnetic downhole tool.
    Type: Application
    Filed: June 14, 2005
    Publication date: February 16, 2006
    Inventors: Allen Young, Michael Nero, Laurence Barry, Hugh Hawthorne, Robert Villarreal