OGUK Decom Insight Report 2021

Figure 12a – Number of Wells to be Decommissioned in the North Sea (2021-30)

Figure 12b - Number of Topsides to be Decommissioned in the North Sea (2021-30)

Figure 12c - Number of Substructures to be Decommissioned in the North Sea (2021-30)

500

UK Norway The Netherlands Denmark

450

160,000

180,000

400

UK Norway The Netherlands Denmark

160,000

140,000

UK Norway The Netherlands Denmark

350

140,000

120,000

300

120,000

100,000

250

100,000

80,000

200

80,000

60,000

150

60,000

40,000

40,000

100 Numberof Wells to beDecommissioned

Topsides tobeDecommissioned (t)

20,000 Substructures tobeDecommissioned (t)

20,000

50

0

0

0

2021 2022 2023 2024 2025 2026 2027 2028 2029 2030

2021 2022 2023 2024 2025 2026 2027 2028 2029 2030

2021 2022 2023 2024 2025 2026 2027 2028 2029 2030

Source:OGUK,OGA, NexStep,NOROG

Source:OGUK,OGA, NexStep,NOROG

Source:OGUK, OGA, NexStep,NOROG

Country

Number of wells

Topsides (tonnes)

Substructure (tonnes)

UK

1,782

67% 20% 10%

704,230 150,932 149,914

69% 15% 15%

382,308 77,913 76,072 26,095 562,388

68% 14% 14%

The Netherlands

528 278

Norway Denmark

91

3%

12,107

1%

5%

TOTAL

2,679

100%*

1,017,183

100%*

100%*

*May not add to 100% due to rounding

DECOMMISSIONING INSIGHT 2021

23