Decommissioning Insight 2019

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Figure 31: Historical Variation in Removal Costs per Tonne in the Southern North Sea and Irish Sea

20,000

2

18,000

16,000

3

14,000

12,000

10,000

4

8,000

6,000

5

4,000

2,000

Estimated Cost per Tonne (£ - 2018 Money)

6

0

2017

2018

2019

Topside and Substructure

Source: OGUK, OGA

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2017 Survey

2018 Survey

2019 Survey

Removals – Cost per Tonne

Average

Median

Average

Median

Average

Median

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Topside & Substructure £3,941

£3,936

£3,690

£2,839

£2,970

£3,298

NOTE: topsides and substructure are included together in this region. This is because assets in the SNS and IS are usually smaller, in comparison with NNS and CNS, and are generally removed in one campaign, making it difficult to separate costs effectively. The southern North Sea and Irish Sea has seen a year on year fall in forecast removal costs per tonne for topsides and substructures. However, the 2019 dataset has an increased range in the input value and while the average costs have reduced, the median has seen an increase.

9

10

11

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