Patents by Inventor Philippe Lesaffre

Philippe Lesaffre 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 improved acoustic data acquisition
    Patent number: 9638818
    Abstract: A technique is designed to facilitate obtaining of acoustic data. The technique comprises traversing a tool through a subterranean formation from a first depth to subsequent depths. The tool receives a seismic signal during predetermined time windows. The seismic signal is generated by a seismic source which is activated at varying times relative to the predetermined time windows based on the depth of the tool.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: May 2, 2017
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Neil Kelsall, Mathieu Will, Philip Neville Armstrong, Philippe Lesaffre
  • METHODS AND APPARATUS FOR IMPROVED ACOUSTIC DATA ACQUISITION
    Publication number: 20120147703
    Abstract: A technique is designed to facilitate obtaining of acoustic data. The technique comprises traversing a tool through a subterranean formation from a first depth to subsequent depths. The tool receives a seismic signal during pre-determined time windows. The seismic signal is generated by a seismic source which is activated at varying times relative to the predetermined time windows based on the depth of the tool.
    Type: Application
    Filed: July 30, 2010
    Publication date: June 14, 2012
    Inventors: Neil Kelsall, Mathieu Will, Philip Neville Armstrong, Philippe Lesaffre