Royal Dutch Shell has started preparing plans for the decommissioning of the Brent Delta Platform in the UK North sea. The platform is one of four platforms located in the Brent oil and gas field.
According to Shell, the Brent field has produced roughly 10 percent of all UK North Sea oil and gas and generated more than £20bn of tax revenue for the UK since production began in 1976.
The company has said that a thirty day public consultation on plans to start scrapping of the Brent field will begin week starting Monday, February 16.
Under the decommissioning program, submitted by Shell for the Brent Delta platform, the 23,500 tonne ’topside’ of the platform would be removed in one piece by a heavy-lift dedicated vessel that arrived in Rotterdam in January. The vessel, dubbed the world’s largest, is the Pieter Schelte, owned by Allseas.
Heaviest lift ever
Shell says that work is underway to bolster the topside in anticipation of the lift, which will be one of the heaviest the North Sea has ever seen. This single lift technique will substantially reduce the risk, cost and environmental impact of the operation.
If the decommissioning program is formally approved by the Department of Energy and Climate Change (DECC), the topside will be taken to Able UK, a specialized decommissioning company in Teesside, where more than 97% of the material will be reused or recycled.
Alistair Hope, Brent Decommissioning Project Director, Shell, said: “The Brent field has been a prolific national asset for many years, creating and sustaining thousands of jobs and contributing billions of pounds to the UK government. The engineering and planning skills which led to the discovery and subsequent successful production of oil and gas over four decades are essential during decommissioning, which is the natural next stage of the field’s life. We hope many people will play an active part in the consultation.”
Other platforms to follow
A second decommissioning programme for the remaining infrastructure in the Brent field, including Brent Delta’s legs, three other sets of topsides and legs, 140 wells and 28 pipelines, will be submitted when Shell is confident the proposals are safe, technically achievable, environmentally sound and financially responsible, the company has said. It will be subject to a separate consultation.
Brent Delta stopped production in 2011 and Brent Alpha and Bravo ceased in November 2014. Production from the field continues through Brent Charlie.
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