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Prelude FLNG – The largest floating facility ever built.

Prelude FLNG – The largest floating facility ever built.

Prelude FLENG is by far the largest floating ship ever built. Its massiveness is though not its only unique feature.

If we only go by pure figures

  • Prelude is 488 metres long (more than four FIFA football pitches) and 74 metres wide
  • Prelude has 260,000 tons of steel, the equivalent of 36 Eiffel towers or 430,000 medium-sized cars
  • Prelude is the world’s largest non-disconnectable Turret Mooring System.

e2949a38a160520429b75be427499fa7Shell Prelude FLNG is expected to yield an annual production of:

3.6 Mtpa of LNG

1.3 Mtpa of condensate

0.4 Mtpa of LPG

 

The Making 

Prelude includes 15 years of research and 1.6 million man hours working on the engineering challenges.

It was built at Samsung Heavy Industries’ Geoje shipyard in South Korea

Prelude entered service in 2016.

Shell has entered into a Master Service Agreement with Technip and Samsung for the design, construction and installation of multiple floating liquefied natural gas facilities over a period of up to fifteen years.

Prelude is designed to be on site for 25 years and would be located in the Browse Basin off Western Australia

It is aimed to tap into 3 Tcf gas reserves in Prelude & Concerto fields

 

the-largest-vessel-the-world-has-ever-seen-prelude-flng-watch-video-8223What is it?

Prelude FLNG (floating liquefied natural gas) platform is the first deployment of Shell’s FLNG technology which will operate in a remote basin around Western Australia. The facility will remain onsite during all weather events, having been designed to withstand category 5 cyclones.

Shell is the operator of Prelude FLNG in joint venture with INPEX (17.5%), KOGAS (10%) and OPIC (5%), working with long-term strategic partners Technip and Samsung Heavy Industries (the Technip Samsung Consortium).

 

digital-impression-of-shell-floating-liquefied-natural-gas-facility-designThe Risk?

According to BBC.com Shell’s ambition is to launch a fleet of future Preludes to pioneer a new chapter in the story of fossil fuels by opening gas fields previously thought to be too tricky or expensive to tackle. But there is always the risk factor.  The gas price might collapse, if China’s economy dips or Japan restarts its nuclear power stations, closed since the Fukushima disaster, and suddenly needs less gas.

prelude-flngNatural Gas Production

Hundreds of engineers from across the world have combined their experience and expertise to design the world’s largest floating offshore facility. It will be used to help open up new natural gas fields at sea that are currently considered too costly or difficult to develop. He Prelude and Concerto fields are expected to produce 5.3 million tonnes of liquid and condensate per year; this includes 3.6 million tonnes of liquefied natural gas, 1.3 million tonnes of condensate, and 400,000 tonnes of liquefied petroleum gas.

Natural gas will be extracted from wells and liquefied by chilling it to −162 °C (−260 °F).[13] The ability to produce and offload LNG to large LNG carriers is an important innovation, which reduces costs and removes the need for long pipelines to land-based LNG processing plants. However, fitting all the equipment onto a single floating facility was a significant challenge.

We look forward for this masterpiece to begin production in 2017.

Article by: Neha Shrivastava

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