Patents by Inventor Erwan Lemenager

Erwan Lemenager 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 apparatus for transmitting or receiving information between downhole equipment and surface
    Patent number: 8789620
    Abstract: The invention provides a method of receiving and/or transmitting information in a well drilled in a geological formation between a first location and a second location, the well comprising a casing communicating with the geological formation. The method comprises placing a first transducer at a first location, placing a second transducer at a second location. Transmitting an electric signal between the first and second transducers.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: July 29, 2014
    Assignee: Schlumberger Technology Corporation
    Inventors: Erwan Lemenager, Martin Luling, Yves Mathieu, Christian Chouzenoux
  • METHOD AND APPARATUS FOR TRANSMITTING OR RECEIVING INFORMATION BETWEEN A DOWN-HOLE EQIPMENT AND SURFACE
    Publication number: 20110168446
    Abstract: The invention provides a method of receiving and/or transmitting information in a well drilled in a geological formation between a first location and a second location, the well comprising a casing communicating with the geological formation. The method comprises placing a first transducer at a first location, placing a second transducer at a second location. Transmitting an electric signal between the first and second transducers.
    Type: Application
    Filed: July 28, 2006
    Publication date: July 14, 2011
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Erwan Lemenager, Martin Luling, Yves Mathieu, Christian Chouzenoux