Patents by Inventor Robin Charles Walker

Robin Charles Walker 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).

  • Using towed seismic surveys that do not have coinciding streamer positions in the time lapse analysis of a producing field
    Patent number: 7933164
    Abstract: A technique includes performing at least one intervening towed seismic survey after a prior towed seismic survey and before a future towed seismic survey. The prior towed seismic survey has associated first streamer positions, and the future towed seismic survey has associated second streamer positions that do not coincide with the first streamer positions. The technique includes using measurements that are acquired in the intervening towed seismic survey(s) to link the prior towed seismic survey to the future towed seismic survey for time lapse analysis involving the prior and future towed seismic surveys.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: April 26, 2011
    Assignee: WesternGeco L.L.C.
    Inventors: Ralf Ferber, Stephen Pickering, Robin Charles Walker
  • USING TOWED SEISMIC SURVEYS THAT DO NOT HAVE COINCIDING STREAMER POSITIONS IN THE TIME LAPSE ANALYSIS OF A PRODUCING FIELD
    Publication number: 20090274004
    Abstract: A technique includes performing at least one intervening towed seismic survey after a prior towed seismic survey and before a future towed seismic survey. The prior towed seismic survey has associated first streamer positions, and the future towed seismic survey has associated second streamer positions that do not coincide with the first streamer positions. The technique includes using measurements that are acquired in the intervening towed seismic survey(s) to link the prior towed seismic survey to the future towed seismic survey for time lapse analysis involving the prior and future towed seismic surveys.
    Type: Application
    Filed: April 30, 2008
    Publication date: November 5, 2009
    Inventors: Ralf Ferber, Stephen Pickering, Robin Charles Walker
  • Method of and apparatus for marine seismic surveying
    Patent number: 5973995
    Abstract: The present invention enables both deep marine seismic surveys and site seismic surveys to be performed simultaneously. A survey vessel tows a first seismic array (6, 16, 20) for a deep survey and a second seismic array (6, 16, 20) for the site survey. The arrays are operationally distinct but may share common physical components.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: October 26, 1999
    Assignee: Geco A.S.
    Inventors: Robin Charles Walker, Olav Lindtjoern