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Multi-million dollar automation and safety contract for LNG plant
Invensys Process Systems has been awarded a multi-million dollar contract to provide distributed control systems (DCS), safety systems and fire and gas systems for the Yemen LNG Company Ltd. plant being built at Balhaf, on Yemen’s south coast. The new US$2 plus bn grassroots plant is the first LNG plant in Yemen, and the Foxboro implementation will be the first major DCS in Yemen.
The Invensys systems will help Yemen LNG efficiently and safely deliver its planned total capacity of 6.70million tons of LNG per year. The new plant will consist of two process trains using the well-proven APCI C3/MCR process. The target for Train 1 start-up is the end of 2008, with Train 2 coming on line about five months later.
The joint venture YEMGAS, comprising Technip, JGC and KBR, is responsible for engineering, procurement, construction, and commissioning of the new plant. Invensys Process Systems, will provide a range of hardware and software integration, configuration and engineering services, as well as on-site assistance.
The Foxboro DCS implementation will comprise 45 pairs of latest generation I/A Series control processors in fault-tolerant configurations, and will utilise the high-speed Foxboro mesh control network for optimal availability and performance. The systems will control all major plant processes including: feedstock gas reception and dehydration; acid and mercury removal; gas chilling and liquefaction; LNG storage and ship loading; site utilities, and flare control. Fourteen Triconex TMR (triple modular redundant)
safety-instrumented systems will be employed throughout the plant for the process safety systems, fire and gas systems, and safety shutdown systems. The Invensys implementation at Yemen LNG also includes supply and integration of Bentley Nevada machine monitoring systems and a plant-wide time synchronisation system. o
For more information, visit www.yemenlng.com and www.invensys.com
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