Sonardyne Usbls Installed in Brazilian Geoscience | Instant News


The Brazilian geosciences service company, OceanPact Geociências has selected deepwater positioning technology from Sonardyne Brasil Ltda. to support geophysical, geotechnical and environmental research operations throughout the region.

The Ranger 2 Ultra-Short Baseline (USBL) system has been installed aboard the OceanPact research vessels, Seward Johnson and Austral Abrolhos, both currently leased for Brazilian oil Main Petrobras. The system will be used to track the exact location of underwater equipment and sensor packages used from ships, including seabed corals, crane sensors, and data loggers. Both ships are currently chartered for Brazil’s main oil Petrobras.

MarineTraffic shows Austral Abrolhos currently operating near the Cidade Niteroi floating production, storage and demolition unit (FPSO) operating for Petrobras in the giant Marlim field located in Campos Basin, about 110 kilometers off the coast of Rio de Janeiro. Seward Johnson is currently at the port in Rio de Janeiro.

Sonardyne said the USBL Ranger 2 was a popular choice for conducting research at sea because operations could begin as soon as the ship arrived at the location. This helps maximize delivery time. It has the ability to track multiple underwater targets simultaneously to exceed 11 kilometers, work in shallow or deep waters and be able to configure and communicate remotely with compatible instruments.

Raphael Melo, Survey Manager from OceanPact Geo said, “For geophysical, geotechnical and environmental research and survey operations in Brazil, we rely on the highest specifications and the highest reliability system. Sonardyne ’equipment has been proven as both during our previous long-term rentals. This is why we have chosen now to permanently obtain this equipment for our two vessels.

“Having the certainty of local technical and operational support from the Sonardyne team here in Brazil is a big advantage for us too,” he added.



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