Saturday, 29 April 2017

Pioneering Spirit : World's largest vessel sets record after 24,000-tonne oil platform lift

The largest vessel on the planet has successfully carried out the world's biggest lift at sea, plucking a 24,000-tonne oil rig platform from the North Sea.
The mammoth engineering task was carried out as part of the first phase of decommissioning one of the most important oilfields in the region.

Engineers took hours to position the specially-built £2.4bn Pioneering Spirit into place around the Brent Delta platform.

But it took just seconds for the powerful hydraulic system to lift the topside off its supporting legs, setting a world record in the process.

The topside is now fastened onto the 382m-long ship to be transported to a scrapping yard near Hartlepool.

In a project which will last 10 years, the firm plans to remove all four oil platforms from the Brent field in the North Sea located 115 miles northeast of the Shetlands.

The Brent field is one of the largest fields in the North Sea and is responsible for about 10% of total North Sea production during the past four decades.

At its peak, the four rigs were pumping 500,000 barrels of oil out of 154 seabed wells every day.
Decommissioning the field will be a major infrastructure project and is being closely watched by the industry because it is the biggest North Sea field to be dismantled so far, with hundreds more to follow.

It is also being closely watched by environmental groups who have already expressed concerns about Shell's planning process.

SKY     News.

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