ELECTROMAGNETIC AND SEISMIC STREAMER CABLE AND METHOD FOR USING SUCH A STREAMER CABLE

ELECTROMAGNETIC AND SEISMIC STREAMER CABLE AND METHOD FOR USING SUCH A STREAMER CABLE

A geophysical sensor cable has one or more sensor cable sections. Each of the sensor cable sections is provided with seismic and electromagnetic sensors arranged along said cable. The seismic sensors include a hydrophone and a seismic component receiver for seismic vector measurements while the sens...

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1. Verfasser: JOHNSTAD SVEIN ERLING
Format: Patent
Sprache:eng
Schlagworte:
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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creator JOHNSTAD SVEIN ERLING
description A geophysical sensor cable has one or more sensor cable sections. Each of the sensor cable sections is provided with seismic and electromagnetic sensors arranged along said cable. The seismic sensors include a hydrophone and a seismic component receiver for seismic vector measurements while the sensor cable is at the sea-floor. The electromagnetic sensors include both E-field sensors and H-field sensors. The E-field sensors include pairs of first and second electrodes arranged with different positions along the cable and connected to a voltage amplifier. The H-field sensors include three mutually orthogonally arranged H-field component sensors.
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subjects DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
title ELECTROMAGNETIC AND SEISMIC STREAMER CABLE AND METHOD FOR USING SUCH A STREAMER CABLE
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