OGUK Decom Insight Report 2021

4.2 Removals activity over the next decade

Figure 10a – Tonnage of Topsides to be Decommissioned (2021-30)

Figure 10c - Tonnage of Substructure to be Decommissioned (2021-30)

Figure 10e - Average Forecast Topsides and Substructure Removal Cost in the CNS, NNS, & WOS (2021-30)

80,000

120,000

CNS

NNS &WoS

SNS& IS

CNS

NNS &WoS

SNS& IS

£9,000

70,000

100,000

£8,000

Average=£2,823 Median=£2,898

60,000

£7,000

80,000

Average=£2,190 Median=£2,304

50,000

£6,000

Average=£2,024 Median=£2,361

£5,000

40,000

60,000

Average=£2,110 Median=£2,061

Average=£1,772 Median=£2,105

Average=£1,794 Median=£1,974

£4,000

30,000

40,000

£3,000

20,000

£2,000

Topsides tobeDecommisioned (t)

20,000

£1,000 Estimatedcost per tonne (£ -2020money)

10,000

Substructure tobeDecommissioned (t)

£0

0

0

2019

2020

2021

2019

2020

2021

2021 2022 2023 2024 2025 2026 2027 2028 2029 2030

2021 2022 2023 2024 2025 2026 2027 2028 2029 2030

Topsisdes

Substructures

Source:OGA&OGUK

Source:OGA&OGUK

Source:OGA&OGUK

Figure 10b – Number of Topsides to be Decommissioned (2021-30)

Figure 10d - Number of Substructures to be Decommissioned (2021-30)

Figure 10f - Average Forecast Topsides and Substructure Removal Cost in the SNS & IS (2021-30)

£16,000

17

Total CNS NNS &WoS SNS& IS

Total CNS NNS &WoS SNS& IS

16

16

£14,000

15

14

14

14

14

£12,000

13 12

13

12

12

12

12

12

12

£10,000

11

10

10

10

9

9

£8,000

8 7

8

8

7

7

7

7

7

7

£6,000

5

5

Average=£3,033 Median=£3,368

£4,000

4

4

4

Average=£2,296 Median=£2,596

Average=£2,020 Median=£2,433

2 3

3

2 3

3

£2,000

2 1

1 2

2

2

2

2 1

2

Estimatedcost per tonne (£ -2020money)

1 0

0 1

1

1

1

1

£0

0

0

0

0

0

0

0

2021

2022

2023

2024

2025

2026

2027

2028

2029

2030

2019

2020

2021

2021

2022

2023

2024

2025

2026

2027

2028

2029

2030

Source:OGA&OGUK

Source:OGA& OGUK

Source:OGA&OGUK

DECOMMISSIONING INSIGHT 2021

16

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