Decommissioning Insight 2019

7.1 Forecast Activity in the UKCS — A Detailed Snapshot

1

Figure 20: UKCS Activity 2019, to 2028

Northern North Sea & West of Shetland Central North Sea Southern North Sea & Irish Sea

Total UKCS

2

Number of Fields with Decommissioning Activity Number of Wells to be Decommissioned

230

41

93

96

3

1,630

547

568

515

4

Percentage Platform Wells

68%

73%

48%

84%

5

Number of Topsides for Removal

87

16

16

55

6

Number of Substructures for Removal

79

11

12

56

7

Topside Weight to be Removed (Tonnes)

879,011

425,208

265,021

188,782

8

Substructure Weight to be Removed (Tonnes) Subsea Structures to be Removed (Tonnes)

341,548

150,122

86,543

104,883

9

59,610

21,325

34,282

4,003

10

Number of Mattresses for Removal

16,033

3,015

8,131

4,887

11

Length of Pipelines, cables and umbilicals to be Decommissioned (km)

6,234

1,197

2,476

2,541

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