Patents by Inventor Halvor S. Groenaas (Grønaas)

Halvor S. Groenaas (Grønaas) 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).

  • Active detection of marine mammals during seismic surveying
    Patent number: 8947973
    Abstract: An embodiment according to one or more aspects of the present disclosure for conducting a marine survey includes towing a survey spread comprising a plurality of receivers and an energy source along a selected course; emitting a signal from an energy source; receiving backscattered acoustic signals at the receivers; and actively detecting a cetacean from the received data.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: February 3, 2015
    Assignee: WesternGeco L.L.P.
    Inventors: Halvor S. Groenaas (Grønaas), Svein Arne Frivik
  • Active Detection of Marine Mammals During Seismic Surveying
    Publication number: 20120120760
    Abstract: An embodiment according to one or more aspects of the present disclosure for conducting a marine survey includes towing a survey spread comprising a plurality of receivers and an energy source along a selected course; emitting a signal from an energy source; receiving backscattered acoustic signals at the receivers; and actively detecting a cetacean from the received data.
    Type: Application
    Filed: February 2, 2011
    Publication date: May 17, 2012
    Inventors: Halvor S. Groenaas (Grønaas), Svein Arne Frivik