Page 79: of Offshore Engineer Magazine (Sep/Oct 2015)

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Pipelines

The Castorone. Photo from Saipem.

as possible while also having access to Battery technology is also a buzz word

No silver bullet additional power when needed. Also, the these days, adding electrical storage and “There is no silver bullet in this market, response time, in relation to the varia- availability of power as key features. “To as far as we are aware, with regard to tion in power demands, is signi? cantly gain full bene? t from batteries onboard, design or equipment for pipelay vessels,” shorter, which drives the quicker transfer operating alone or in a hybrid mode Eknes says. “The drivers toward deeper of power to the ship. with other engines, it is still important and harsher environments will continue

DNV GL’s Eknes agrees. “With the to maintain a reliable DP function and in the long run, but the most pronounced currently reduced oil price, the neces- power during a critical pipelay opera- driver supporting pipe-laying activity sity to reduce cost is evident,” he says. tion,” Eknes says. “Together with the is probably the strong trend to develop “A natural consequence of this will be guidelines for maritime battery systems more subsea, and also shallow water with to reduce the amount of fuel being used (2014), DNV GL’s new rules for propul- tie backs to existing installations.” onboard. The opportunity to implement sion and power generation published Offshore evolution necessitates the more ? exible power systems onboard, this year will act as a guide for how to incorporation of new technology, Sano such as a combination of different safeguard operation while tapping into says. “Pipelay vessel capabilities will con- engines to ensure a ? exible and capable the bene? ts of reduced engine running tinue to expand as industry moves into power plant con? guration, is one of hours, less emissions and a more ? exible new frontiers – becoming not only larger, the key trends happening these days.” & reliable system onboard.” but faster, safer, and more ef? cient.”

Solutions for power, propulsion and positioning

Underwater Generating sets Deck machineryDeck machinery mountable/demountable from 1843 to 7760 kWel customised to azimuth thrusters o