Magnetic coupler for electroacoustic hydrophones

Magnetostrictive acoustic transducer

Magnetostrictive pulse generator

Magnetostrictive transducer for logging tool

Marine acoustic gradient sensor

Marine acoustic source

Marine acoustic source

Marine acoustic source

Marine seismic acoustic source

Marine seismic air gun timing

Marine seismic air gun timing

Marine seismic sensor

Marine seismic source

Marine seismic source frame

Marine seismic source towing apparatus and method

Marine seismic streamer cable for providing selectable detector

Marine seismic streamer employing variable aperture flow through

Marine seismic streamer having acoustic isolation between...

Marine streamer cable

Marine streamer for use in seismic surveys