Marine-Transition Zone by | May 28, 2019 SAExploration has a vast amount of experience in these types of environments which will translate to a savings in both time and money Transition-zone seismic data acquisition is similar to shallow-water applications in that both hydrophones and geophones are deployed with small, shallow-draft vessels SAExploration TZ40 series cable-node handling and utility vessel. Used in shallow water depths. SAExploration GeoTiger IV source vessel