Multiple component electromagnetic survey signal acquisition method

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United States of America Patent

PATENT NO 8896314
SERIAL NO

12799941

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Abstract

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A method for marine electromagnetic surveying includes transmitting a first electromagnetic field oriented in a first direction into a body of water. A second electromagnetic field oriented in a second direction is transmitted into the body of water, wherein the second direction is substantially transverse to the first direction. A parameter related to electromagnetic field amplitude is detected at a plurality of longitudinally and laterally spaced apart positions behind a vessel. The components of the detected electromagnetic field parameter are resolved into components along the first and second directions by using the geometrical symmetries and asymmetries of the transmitting source. Systems for implementing such methods are also provided.

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Patent Owner(s)

  • PGS GEOPHYSICAL AS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Südow, Gustav Göran Mattias Vällingby, SE 26 266

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