By Paula Owen, Tony Rice
Decommissioning of Brent Spar chronicles the occasions best as much as the hot determination to recycle the offshore deploy in a Norwegian fjord; the Greenpeace crusade to prevent it being dumped at sea; the repercussions of Shell's choice to abort the decommissioning on the 11th hour; and the discussion tactics that experience happened to try to unravel the issue.
This e-book will supply a balanced, neutral account of the complete state of affairs to its trendy, its key goal being to notify the reader in regards to the evidence and mechanisms of the discussion procedure and the necessity to technique judgements in a special way.
Readers will take advantage of an account of the errors made via each side, the enter from govt, the clinical group, the click and public, and will follow this information to destiny environmental concerns.
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Extra resources for Decommissioning the Brent Spar
They contain numerous unsubstantiated assumptions, minimal data and extrapolations from unnamed studies Greenpeace was able to point to a number of questionable statements, including assumptions about the contents and their possible toxicological effects referring back to the first two objections. But Shell also included assumptions about the fate of the Spar as it sank, concluding that it would not break up in the water column, nor disintegrate catastrophically when it reached the bottom. Instead, it was suggested, it would broadly retain its integrity on the seabed so that the contaminants would be released slowly over about one thousand years and the resulting particulates would settle evenly within a very short distance.
To understand where at least some of this confusion arose we must now look at Shell’s scientific case, and specifically at what its consultants thought would be the likely scenario if the Spar were to be sunk in the deep ocean. THE SHELL CASE The Shell case was encapsulated in the two relatively brief Rudall Blanchard documents which were submitted to the Scottish Office to obtain the disposal licence.
It stands in 119m of water and can store almost a million barrels of oil. But there are even bigger structures; the Shell concrete gravity base platform for the Norwegian Troll gas field is truly immense, weighing more than one million tonnes and standing in 300m of water! It is amongst these very large structures that the problems of decommissioning and disposal are most acute. So what was likely to happen to them? First, in the vast majority of cases the topsides of these installations, roughly the bits sticking out of the water, would be cut off and transported ashore for re-use or recycling.