Acoustic emission system for seismic surveying at sea

Acoustic emitters for use in marine seismic surveying

Acoustic lens for marine seismic data multiple reflection noise

Acoustic positioning of seismic ocean bottom cable

Acoustic source array system for underwater operation

Active low-profile hydrophone

Active steering for marine seismic sources

Active steering for marine sources

Adaptive control of marine seismic streamers

Aft drogue module for towed sonar array

Amplitude and phase compensation in dual-sensor ocean bottom cab

Anti-biofouling seismic streamer casing and method of...

Apparatus and method for bubble shielding towed marine cable

Apparatus and method for carrying out seismic surveys

Apparatus and method for correcting for capacitance...

Apparatus and method for locating towed seismic apparatus

Apparatus and method for locating towed seismic floats

Apparatus and method for marine seismic surveying utilizing adap

Apparatus and method for use in marine seismic surveying

Apparatus and method of calibrating vertical particle velocity d