OGUK Decom Insight Report 2021

Figure 11a – Subsea Decommissioning Expenditure in the UKCS (2021-30)

350

CNS NNS&WoS SNS&IS

300

250

349 km of pipelines to be removed over the next decade

200

150

100

50 Forecast Expenditure (£ Million)

0

2021 2022 2023 2024 2025 2026 2027 2028 2029 2030

Source: OGA & OGUK

Figure 11b – Subsea Structure Removal Tonnage in the UKCS (2021-30)

Figure 11c – Number of Mattresses Removed in the UKCS (2021-30)

30,000

3,500

CNS NNS&WoS SNS&IS

25,000

CNS NNS&WoS SNS&IS

3,000

2,500

20,000

2,000

15,000

1,500

10,000

1,000 QuantityofMattresses

5,000

500

Subsea StructureRemoval (tonnes)

0

0

2021 2022 2023 2024 2025 2026 2027 2028 2029 2030

2021 2022 2023 2024 2025 2026 2027 2028 2029 2030

Source:OGA&OGUK

Source:OGA& OGUK

DECOMMISSIONING INSIGHT 2021

20