System for adjusting geophysical sensor streamer front end towing depth

A system for towing a marine geophysical sensor streamer includes a lead in line extending from a tow vessel. A streamer front end termination is coupled to an end of the lead in line and to a forward end of the sensor streamer. A floatation device is coupled by a line proximate to the front end ter...

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Bibliographic Details
Main Authors ROSSBERG KNUT JOHAN, EDLAND SVEND, AUSTAD MARTIN, RONAESS MARIT, KARLSEN KENNETH
Format Patent
LanguageEnglish
Published 30.06.2011
Subjects
AIRCRAFT CARRIERS
DETECTING MASSES OR OBJECTS
EQUIPMENT FOR SHIPPING
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
MINE-LAYING
MINE-SWEEPING
OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS
PERFORMING OPERATIONS
PHYSICS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
SUBMARINES
TESTING
TRANSPORTING
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Summary:A system for towing a marine geophysical sensor streamer includes a lead in line extending from a tow vessel. A streamer front end termination is coupled to an end of the lead in line and to a forward end of the sensor streamer. A floatation device is coupled by a line proximate to the front end termination. A winch is disposed on the floatation device to extend and retract the line. A depth sensor is disposed proximate the front end termination. A controller is in signal communication with the winch and the depth sensor so that the forward end of the streamer is maintained at a selected depth in the body of water.
Bibliography:Application Number: US20090655417