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DOF Subsea Selects Sonardyne Navigation Tech

OE Staff Tuesday, 09 October 2018 13:33

International subsea services provider DOF Subsea has chosen acoustic and inertial navigation technology from Sonardyne Brasil Ltda. to support its deepwater operations from three vessels offshore Brazil.

Sonardyne’s SPRINT-Nav all-in-one subsea navigation instrument for underwater vehicles. (Image: Sonardyne)
Sonardyne’s SPRINT-Nav all-in-one subsea navigation instrument for underwater vehicles. (Image: Sonardyne)

The three vessels will be equipped with Sonardyne’s SPRINT-Nav all-in-one subsea navigation instrument for underwater vehicles. A remote operated vehicle (ROV) on one of the vessels will also be fitted with a Sonardyne Syrinx Doppler Velocity Log (DVL), in place of its existing system. All three vessels are on long-term contract in Brazilian Waters.

SPRINT-Nav combines Sonardyne’s SPRINT sensor, Syrinx 600 kHz DVL and a high accuracy intelligent pressure sensor in a single housing, making it one of the smallest combined inertial navigation instruments on the market.

The system not only meets stringent specifications for subsea inertial navigation, but also provides high-performance positioning all from a single tightly integrated instrument which, can also be serviced in-country by Sonardyne’s service center in Rio das Ostras.

DOF Subsea’s multiple SPRINT-Nav systems will be used to support ROV operations, as part of construction, inspection, maintenance and repair (IMR) work in Brazil’s deepwater pre-salt oil fields, in depths down to 3,000 meters.

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2018-10-23 02:44:21pm