A new LNG plant will be built at Blaydin Point

Wärtsilä Moss has secured a contract to supply inert gas generator (IGG) units to two identical IGG skids for installation in a hazardous area from Daewoo Shipbuilding & Marine Engineering Co (DSME).

The IGG units are for a floating production, storage and offloading (FPSO) vessel for the INPEX-operated Ichthys LNG project, located in the Browse Basin, approximately 200km off Western Australia.

The FPSO is currently being built by DSME at its shipyard in South Korea and is due for delivery in April 2016.

It is expected to comply with strict Australian environmental standards and has a projected lifespan of 40 years.

The identical IGG skids will help prevent the risk of explosion, forming part of the topside module with pressure vacuum (PV) breakers and control systems.

Wärtsilä Moss general manager, Inert Gas Systems Offshore Odd Ivar Lindlov said the company has a good working relationship with TOTAL oil and gas group, a joint venture partner with INPEX.

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"Recent projects have included the Pazflor and Clov field developments in which we have received very good feedback from the operating units," said Lindlov.

"The IGG units perform the same function as they would do on a tanker vessel but as these units fire fuel gas they are positioned on topside to avoid the use of fuel gas in an enclosed space. This is a requirement from TOTAL to ensure natural ventilation of the topside," added Lindov.

The IGG units are installed to serve the primary operation of the FPSO, which will transfer condensate to tankers for delivery to markets.

Topside modules will allow the drilling, production and / or processing of offshore hydrocarbons.

Gas produced from the Ichthys field will undergo preliminary processing offshore and will then be exported through an 889km subsea pipeline to onshore processing facilities in Darwin.

The Ichthys LNG Project is expected to produce 8.4 million tons of LNG and 1.6 million tons of LPG per annum, along with 100,000 barrels of condensate each day.

Image: A new LNG plant will be built at Blaydin Point, Australia, as part of the Ichthys development. Photo courtesy of Offshore-technology.com.