System for adjusting geophysical sensor streamer front end towing depth

摘要

A system for towing a marine geophysical sensor streamer includes a lead in line (5) extending from a tow vessel (7). A streamer front end termination (15) is coupled to an end of the lead in line and to a forward end of the sensor streamer. A floatation device (3) is coupled by a line proximate to the front end termination (15). A winch (10) is disposed on the floatation device to extend and retract the line. A depth sensor is disposed proximate the front end termination (15). A controller (22) 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.