STX Europe built an environmentally friendly platform supply vessel (PSV) for Deep Sea Supply Navegação Maritima, a subsidiary of Norway-based Deep Sea Supply. Named Sea Brasil, the ship is Deep Sea Supply’s ninth vessel and is based on the PSV 09 CD. It was launched in November 2011 and was delivered in September 2012.
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Deep Sea Supply placed the order in October 2009. It was built at STX’s shipyard in Brazil. The vessel design was developed under STX Europe’s Ecorizon Programme, which ensures new ships have environmentally friendly features incorporating clean technological solutions.
The Ecorizon Programme comprises five aspects: energy management, air emission management, water management, waste management and sustainable design. The programme was developed by STX Europe’s Basic Design Department.
In February 2012, BP Brasil awarded a long-term charter contract to Deep Sea Supply to operate the vessel in Brazil. The contract is for a period of three years, extendable by one year.
The vessel provides exploration and production support services for newly discovered Brazilian pre-salt offshore oil fields.
Design of STX Europe’s PSV
STX Europe introduced the ship design in spring 2009 after a two-year extensive R&D programme.
The vessel has an overall length of 87.9m and a moulded breadth of 19m. Depth to the main deck is 8m.
The deck area of Sea Brasil is 1,000m2 and the displacement of the vessel is 4,700dwt. The vessel has an average speed of 11.7kt.
The hull was specially designed to reduce resistance and improve performance in all weather conditions. Fuel consumption is reduced by minimising the additional resistance generated by waves. Flare has been reduced in the upper part of the bow for cutting through large waves.
The area above the bulb is uniquely designed to reduce resistance in small or medium waves. Underwater lines are optimised for calm seas. The vessel consumes less fuel, which reduces harmful emissions for the environment.
Equipment aboard Sea Brasil
Electrical equipment and systems, including switchboards, integrated alarm and control systems, along with power management systems, were manufactured by STX Europe’s electro subsidiary.
Storage capacity on Deep Sea Supply’s vessel
The vessel comprises hybrid high-storage capacity tanks for carrying liquid cargo, including fuel oil and freshwater. It also has facilities for the storage of brine and methanol.
Propulsion of the environmentally friendly platform supply vessel
The ship is equipped with a diesel electric propulsion system with two frequency controlled azimuth propellers. The system is positioned optimally by integrating it with the hull shape in order to achieve maximum propeller efficiency with lower fuel consumption.
Accommodation and facilities on Sea Brasil
The ship accommodates 26 crew members. The accommodation facilities include single- and twin-bed cabins. Each cabin has a separate bathroom. Other areas include an office, lobby, health / fitness room and a medical area. The ship also includes a separate space for a deck workshop.
