Sonardyne Equips CBO Isabella

Image Source: CBO

Sixth generation underwater positioning technology from Sonardyne Brasil has been chosen by vessel owner and operator Companhia Brasileira de Offshore (CBO) to meet Brazil’s new contracting specifications for subsea positioning.

The multi-functional Compatt 6 transponders and Ranger 2 USBL (Ultra-Short BaseLine) HPT transceivers that make up the order will be utilised alongside existing Sonardyne technology onboard the ROV support vessel CBO Isabella in support of a wide variety of subsea operations, including structure installation, pipeline metrology and ROV tracking.

On long-term contract to Petrobras since 2010, the CBO Isabella opted to have available two independent acoustic positioning systems so that operations can continue in the event of a single system failure. For the past few years, this requirement has been met through a combination of Sonardyne’s Fusion LBL, Optimised Ranger 2 USBL and SPRINT INS technologies.

Replacing the CBO Isabella’s previous generation through-hull transceivers with fully digital HPT transceivers completes its upgrade to 6G, and means the vessel can exploit the full benefits of Sonardyne’s 6G technology. This is proven to offer stable and precise positioning for DP, reliable structure and vehicle tracking in any water depth and support for simultaneous vessel operations using shared seabed transponder arrays already deployed in the field.

The work was carried out at Sonardyne’s service, support and training centre in Macaé, Brazil.

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