Pgs Geophysical As

Jan-Allan Muller

Mattias Südow

Kenneth Karlsen

Martin Austad

Bergur Vinther

Claus Clausen Petersen

Disclosed are methods and systems for controlling spread and/or depth in a geophysical survey. An embodiment discloses a submersible deflector, comprising: an upper portion comprising an upper fin section and upper foils disposed below the upper fin section, wherein at least one slot is defined between the upper foils; and a lower portion coupled to the upper portion and disposed below the upper portion, wherein the lower portion comprises a lower fin section and lower foils disposed above the lower fin section, wherein at least one slot is defined between the lower foils. Also disclosed are marine geophysical survey systems and methods of performing geophysical surveys.

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Horsens, Denmark

Jan-Allan Muller