Page 30: of Offshore Engineer Magazine (Jan/Feb 2025)

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TECHNOLOGY UPDATE SUB-BOTTOM PROFILERS surfaces, such as compacted sand, revealing objects and the geology of the strata.”

The company’s latest development extends depth range. “The GeoPulse Compact is an excellent tool for shallow water and small boat exploration. In contrast, the Geo-

Pulse 2 replaces the older analogue systems and operates at depths of up to 5,000 meters. It has signi?cantly more power, making it better suited for penetrating harder sedi- ments and reaching greater depths.”

GeoPulse 2 offers digital Chirp and Ricker waveforms,

GeoAcoustics in addition to pinger functionality. These new waveforms offer enhanced resolution and advantages depending on the geological conditions and water depth. Despite these upgrades, GeoPulse 2 is designed to be a simple drop-in replacement – users don't need to replace their existing

GeoPulse cabling or transducer, and it’s compatible with systems like Chesapeake Technology’s SonarWiz, Xylem

Water Solutions’ Hypack, and GeoMarine’s Geo All Suite.

GeoPulse 2 from

Therese Mathisen, product manager for sub-bottom pro-

GeoAcoustics replaces the ?lers at Kongsberg Discovery, points to the trend towards smaller vessels and automated survey platforms. Saving older analogue systems and space and power consumption are important factors. Con- operates at depths of up to tradicting these needs, operation at deep water requires pro- viding greater penetration and resolution through a low and 5,000 meters.

Kongsberg Discovery

Kongsberg Discovery’s EM SBP sub-bottom by primary EM304 frequencies (left) and EM304 parametric low frequencies (right).

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