OGUK Decom Insight Report 2021
7.3 Forecast Activity in the UKCS over the next decade – A Detailed Snapshot
Northern North Sea & West of Shetland
Central North Sea
Southern North Sea and Irish Sea
Total UKCS
1.083
Platform Wells Subsea Wells Subsea E&A wells
275 208
325 319
483
582 117
55 43
Number of wells to be decommissioned
32
51
Total
515
695
572
1,782
125
Number of Topsides to be removed
14
18
93
704,230
Total weight of topside to be removed (tonnes) Number of substructures to be decommissioned Total weight of substructures to be decommissioned (tonnes)
260,312
241,467
202,451
114
9
11
94
87,974
167,121
94,592
120,595
382,308 328,497
FPSO weight to be removed (tonnes) Subsea structures to be removed (tonnes)
155,005 33,565
152,914 51,343
20,578
3,066 4,155
16,661
Number of mattresses for removal
4,886
7,620
Length of pipelines, umbilicals and cables to be decommissioned (km)
18,458
1,807
3,701
12,950
DECOMMISSIONING INSIGHT 2021
35
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