Page 25: of Marine Technology Magazine (May 2018)

Hydrographic Survey: Single beam and Multibeam Sonar

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ABB Subsea: The subsea power grid could help operators monitor more closely the health of their subsea equipment. mostly putting its components in oil- the subsea power grid, moves toward ? lled containers too. Siemens Subsea all-electric equipment are being made. is working on a subsea power grid All-electric actuators have been in use

JIP with Statoil, alongside Chevron, for 15 years and were the primary

ExxonMobil, Petrobras and, since last form of valve actuation on Statoil’s year, ENI. Åsgard subsea compression project –

Siemens is also advocating an in- an industry ? rst for subsea processing, ? eld low voltage distribution system launched in 2015, offshore Norway. called DigiGrid, which incorporates Some 8.5 million hours experience ? ber optic communications. has been built up with electric actua- tors since the ? rst were installed on

Statfjord in 2001/2, with 99.3% avail-


In tandem with the development of ability, Eldar Lundanes, Global Sys-

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