FEATURE SPONSOR
OIL & LUBRICANTS
Dixon, Sales and Marketing Manager at Sage Oil Vac, which has developed the core technology at the heart of the STT system.“When routine oil services take place, any contamination introduced by manual handling can have severe consequences for major components.”
However, over the last seven years the GOEX system, coupled with a pro-active approach to maintenance, has been shown to improve reliability and give higher return on investment for wind farms. This has led to more than 80 units being supplied directly to turbine OEMs, site operators and their O&M contractors worldwide.
The team at James Fisher is convinced these savings can now be delivered to the offshore market, making a fixed service cost per turbine a realistic possibility.
PUMPING SAFE AND CLEAN In addition to time (and therefore cost) savings, STT has additional benefits over the old system of oil transfer by virtue of its safety profile and its ability to eliminate oil contamination risk during removal and refilling operations.
Its integral three-micron filtration system ensures that the clean oil meets stringent filtration standards (DIN ISO 4406:99) and guarantees that any impurities and contaminants introduced during bulk lubricant delivery or IBC filling are removed before the lubricant reaches the gearbox.
The STT system transforms the safety profile of handling bulk lubricants in the offshore environment but James Fisher has leveraged its vast experience and knowledge as expert in oil transfer at sea to ensure STT has further safety measures in place as standard.
For instance, zero leakage hose couplings have been developed to break away and detach from the STT’s pump system under a pre-determined load (such as accidental vessel drift-off or drive-off), eliminating the risk of turbine damage or environmental pollution.
Couplings are located specifically to ensure that any detachment takes place at the STT system on deck, not in the nacelle. This means the umbilical hoses remain suspended, so eliminating a significant QHSE risk and allowing for rapid recovery from the water for continued operations.
SHIP-TO-SHORE
The STT system has been developed as a modular containerised unit that can be deck mounted on load capable CTVs such as James Fisher’s dedicated 24m multipurpose vessel ‘Dart Fisher’ or larger Service Operation Vessels.
Used oil is pumped from the turbine gearbox into an on-board waste oil tank and fresh oil is then pre-heated and
pumped along a separate hose system. Super-efficient disposal of waste oil and replenishment of the system can be completed shore-side in less than 30 minutes.
Alternatively, where vessel load carrying capacity and deck space allows, additional storage capacity can be provided in the form of purpose-built bunded containers which hold an additional 12,000 litres. These can be connected in series with the main STT unit allowing several turbines to be serviced without the need to return to shore.
BENCHMARK
Ship-to-Turbine looks likely to set a new benchmark for oil changes in the offshore renewables industry. It is further proof of James Fisher’s committed to continually develop and innovate to drive down operational costs for its clients while at the same time increase efficiency and productivity.
Chemical Corporation Click to view more info James Fisher Click to view more info
www.windenergynetwork.co.uk
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