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Subsea steel installations
400 oil and gas platforms
| Platform | Country | Operator | Project stage |
|---|---|---|---|
| 15/12-C Rev | Norway | Repsol Norge AS | Closed down |
| 15/12-D Rev | Norway | Repsol Norge AS | Closed down |
| 15/5-A-7 H Glitne | Norway | — | Decommissioned |
| 15/5-B-1 H Glitne | Norway | — | Decommissioned |
| 15/6-A-1 H Glitne | Norway | — | Decommissioned |
| 15/6-A-2 H Glitne | Norway | — | Decommissioned |
| 15/6-A-3 H Glitne | Norway | — | Decommissioned |
| 15/6-A-4 H Glitne | Norway | — | Decommissioned |
| 15/6-A-5 H Glitne | Norway | — | Decommissioned |
| 15/6-A-6 H Glitne | Norway | — | Decommissioned |
| 15/9-E | Norway | Equinor Energy AS | Operating |
| 24/9-P-6 AH Volund | Norway | Aker BP ASA | Operating |
| 25/11-B-24 H | Norway | Vår Energi ASA | Closed down |
| 25/4-D1 H VILJE D1 | Norway | Aker BP ASA | Operating |
| 25/4-E1 H VILJE E1 | Norway | Aker BP ASA | Operating |
| 25/4-F-1 H VILJE F1 | Norway | Aker BP ASA | Operating |
| 25/4-J-1 H | Norway | Aker BP ASA | Operating |
| 25/4-J-2 H | Norway | Aker BP ASA | Operating |
| 25/5-D-1 H ATLA | Norway | TotalEnergies EP Norge AS | Operating |
| 30/6-B-51 H OSEBERG B-51 | Norway | Equinor Energy AS | Closed down |
| 30/6-C-27 H | Norway | Equinor Energy AS | Closed down |
| 30/8-A-21 H TUNE SOUTH | Norway | Equinor Energy AS | Operating |
| 30/9-B-49 H | Norway | Equinor Energy AS | Closed down |
| 30/9-B-50 H OSEBERG B-50 | Norway | Equinor Energy AS | Operating |
| 31/2-B-3 H TROLL B-3 | Norway | Equinor Energy AS | Operating |
| 31/2-D-1 H TROLL D-1 | Norway | Equinor Energy AS | Operating |
| 31/2-D-2 H TROLL D-2 | Norway | Equinor Energy AS | Operating |
| 31/2-D-3 H TROLL D-3 | Norway | Equinor Energy AS | Under construction |
| 31/2-D-4 H TROLL D-4 | Norway | Equinor Energy AS | Operating |
| 31/2-D-5 H TROLL D-5 | Norway | Equinor Energy AS | Operating |
| 31/2-D-6 H TROLL D-6 | Norway | Equinor Energy AS | Operating |
| 31/2-D-7 H TROLL D-7 | Norway | Equinor Energy AS | Operating |
| 31/2-D-8 H TROLL D-8 | Norway | Equinor Energy AS | Operating |
| 31/2-E-1 H TROLL E-1 | Norway | Equinor Energy AS | Operating |
| 31/2-E-3 H TROLL E-3 | Norway | Equinor Energy AS | Operating |
| 31/2-E-4 H TROLL E-4 | Norway | Equinor Energy AS | Operating |
| 31/2-E-5 H TROLL E-5 | Norway | Equinor Energy AS | Operating |
| 31/2-E-6 H TROLL E-6 | Norway | Equinor Energy AS | Operating |
| 31/2-F-1 H TROLL F-1 | Norway | Equinor Energy AS | Operating |
| 31/2-F-4 H TROLL F-4 | Norway | Equinor Energy AS | Operating |
| 31/2-F-5 H TROLL F-5 | Norway | Equinor Energy AS | Operating |
| 31/2-F-6 H TROLL F-6 | Norway | Equinor Energy AS | Operating |
| 31/2-G-1 H TROLL G-1 | Norway | Equinor Energy AS | Operating |
| 31/2-G-3 H TROLL G-3 | Norway | Equinor Energy AS | Operating |
| 31/2-G-4 H TROLL G-4 | Norway | Equinor Energy AS | Operating |
| 31/2-G-6 H TROLL G-6 | Norway | Equinor Energy AS | Closed down |
| 31/3-Q-21 H TROLL Q-21 | Norway | Equinor Energy AS | Operating |
| 31/5-H-1 H TROLL H-1 | Norway | Equinor Energy AS | Operating |
| 31/5-H-2 H TROLL H-2 | Norway | Equinor Energy AS | Operating |
| 31/5-H-3 H TROLL H-3 | Norway | Equinor Energy AS | Operating |
| 31/5-H-4 H TROLL H-4 | Norway | Equinor Energy AS | Operating |
| 31/5-H-5 H TROLL H-5 | Norway | Equinor Energy AS | Operating |
| 31/5-H-6 H TROLL H-6 | Norway | Equinor Energy AS | Operating |
| 31/5-I-32 H TROLL I-32 | Norway | Equinor Energy AS | Operating |
| 33/12-N-5 | Norway | Equinor Energy AS | Operating |
| 34/10-A-1 H | Norway | Equinor Energy AS | Closed down |
| 34/10-A-2 A | Norway | Equinor Energy AS | Closed down |
| 34/10-A-3 H | Norway | Equinor Energy AS | Closed down |
| 34/10-A-4 H | Norway | Equinor Energy AS | Closed down |
| 34/10-A-5 H | Norway | Equinor Energy AS | Closed down |
| 34/10-A-9 H | Norway | Equinor Energy AS | Closed down |
| 34/7-C-5 H VIGDIS C5 | Norway | Equinor Energy AS | Operating |
| 34/7-E-5 H VIGDIS E5 | Norway | Equinor Energy AS | Operating |
| 34/7-I-1 H TORDIS I-1 | Norway | Equinor Energy AS | Operating |
| 34/7-I-10 H TORDIS I-10 | Norway | Equinor Energy AS | Operating |
| 34/7-I-11 H TORDIS I-11 | Norway | Equinor Energy AS | Operating |
| 34/7-I-2 H TORDIS I-2 | Norway | Equinor Energy AS | Operating |
| 34/7-I-3 H TORDIS I-3 | Norway | Equinor Energy AS | Operating |
| 34/7-I-4 H TORDIS I-4 | Norway | Equinor Energy AS | Operating |
| 34/7-I-5 H TORDIS I-5 | Norway | Equinor Energy AS | Operating |
| 34/7-R-1 H TORDIS R-1 | Norway | Equinor Energy AS | Operating |
| 34/8-A-1 H | Norway | Equinor Energy AS | Operating |
| 34/8-A-10 H | Norway | Equinor Energy AS | Operating |
| 34/8-A-11 H | Norway | Equinor Energy AS | Under construction |
| 34/8-A-13 H | Norway | Equinor Energy AS | Operating |
| 34/8-A-14 H | Norway | Equinor Energy AS | Operating |
| 34/8-A-18 AH/H | Norway | Equinor Energy AS | Under construction |
| 34/8-A-19 H | Norway | Equinor Energy AS | Operating |
| 34/8-A-2 H | Norway | Equinor Energy AS | Operating |
| 34/8-A-20 H | Norway | Equinor Energy AS | Under construction |