Decommissioning Insight 2017

UK Southern North Sea and Irish Sea • Of the 452 wells forecast to be plugged and abandoned in these regions to 2025, 76 per cent (345) are platform wells. • Forecast activity has increased by 77 wells since 2016, primarily due to greater survey coverage. Most of this new activity falls at the end of the timeframe. • Near-term activity remains closely aligned to the forecast in 2016 and is associated with ongoing well P&A campaigns.

Figure 4: Well P&A Forecast in the Southern North Sea and Irish Sea

100

Suspended Exploration and Appraisal Wells Subsea Development Wells Platform Wells

90

80

4

70

60

50

40

Number of Wells

30

20

10

0

2017 2018 2019 2020 2021 2022 2023 2024 2025

Source: Oil & Gas UK, Asset Stewardship Survey

Number of Wells

Proportion that are Platform Wells

Forecast Expenditure

452

76%

£1.5 billion

Danish Continental Shelf • Operators in Denmark forecast that 113 wells will be plugged and abandoned by 2025. • The majority of activity – 100 wells – will take place in 2023 across four decommissioning projects, with the remaining 13 wells in 2025. • Ninety-eight per cent (111) are platform wells.

Figure 5: Well P&A Forecast on the Danish Continental Shelf

Number of Wells

Proportion that are Platform Wells

113

98%

19