Oil and gas platforms: D
55 oil and gas platforms
| Platform | Country | Operator | Structure | Project stage |
|---|---|---|---|---|
| D12-A | Netherlands | WIN | Fixed steel | Operating |
| D12-B | Netherlands | WIN | — | Operating |
| D15-FA-1 | Netherlands | NEPTUNE | — | Operating |
| D18a-A | Netherlands | NEPTUNE | — | Operating |
| Dagmar | Denmark | Mærsk | Fixed steel | Closed down |
| Dan A | Denmark | Mærsk | Fixed steel | Operating |
| Dan B | Denmark | Mærsk | Fixed steel | Operating |
| Dan C | Denmark | Mærsk | Fixed steel | Operating |
| Dan D | Denmark | Mærsk | Fixed steel | Operating |
| Dan E | Denmark | Mærsk | Fixed steel | Operating |
| Dan FA | Denmark | Mærsk | Fixed steel | Operating |
| Dan FB | Denmark | Mærsk | Fixed steel | Operating |
| Dan FC | Denmark | Mærsk | Fixed steel | Operating |
| Dan FD | Denmark | Mærsk | Fixed steel | Operating |
| Dan FE | Denmark | Mærsk | Fixed steel | Operating |
| Dan FF | Denmark | Mærsk | Fixed steel | Operating |
| Dan FG | Denmark | Mærsk | Fixed steel | Operating |
| DARIA A | Italy | ENI | Fixed steel | Operating |
| DARIA B | Italy | ENI | Fixed steel | Operating |
| DAVIDE | Italy | ENI | Fixed steel | Operating |
| DAVIDE 7 | Italy | ENI | Fixed steel | Operating |
| DAVY A | United Kingdom | PERENCO OIL & GAS | PLATFORM | Operating |
| De Hond | Netherlands | NAM | — | Operating |
| DIANA | Italy | ENI | Fixed steel | Operating |
| DOMPAP S | Norway | Equinor Energy AS | Subsea steel | Operating |
| DOUGLAS DA | United Kingdom | ENI UK LIMITED | PLATFORM | Operating |
| DOUGLAS DP | United Kingdom | ENI UK LIMITED | PLATFORM | Operating |
| DOUGLAS DW | United Kingdom | ENI UK LIMITED | PLATFORM | Operating |
| DOWSING GUARD BUOY KFB25/2012 AREA3 | United Kingdom | CEFAS | BUOY | Operating |
| DOWSING SMART BUOY KFB25/2012 AREA3 | United Kingdom | CEFAS | BUOY | Operating |
| DOWSING WAVERIDER BUOY KFB25/2012 AREA3 | United Kingdom | CEFAS | BUOY | Operating |
| DP4 PLATFORM | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| DP6 PLATFORM | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| DP8 PLATFORM | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| DRAUGEN | Norway | OKEA ASA | Gravity-based concrete | Operating |
| DRAUGEN B | Norway | OKEA ASA | Subsea steel | Operating |
| DRAUGEN C | Norway | OKEA ASA | Subsea steel | Operating |
| DRAUGEN D | Norway | OKEA ASA | Subsea steel | Operating |
| DRAUGEN FLP | Norway | OKEA ASA | Other | Decommissioned |
| DRAUGEN FSL | Norway | OKEA ASA | Others | Operating |
| DRAUGEN PLEM 105 | Norway | OKEA ASA | Subsea steel | Operating |
| DRAUGEN PLEM-106 | Norway | OKEA ASA | Subsea steel | Operating |
| DRAUGEN SSBP | Norway | OKEA ASA | — | Operating |
| DRAUGEN T | Norway | Gassco AS | Subsea steel | Operating |
| DRAUPNER E | Norway | Gassco AS | Fixed steel | Operating |
| DRAUPNER S | Norway | Gassco AS | Fixed steel | Operating |
| DRILLING PLATFORM DP1 | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| DUNBAR | United Kingdom | TOTALENERGIES UPSTREAM UK LIMITED | PLATFORM | Operating |
| DUNLIN A | United Kingdom | FAIRFIELD ENERGY LIMITED | PLATFORM | Operating |
| DUNROD POINT | United Kingdom | — | TERMINAL | Operating |
| DUVA K | Norway | Neptune Energy Norge AS | — | Operating |
| DVALIN | Norway | Wintershall Dea Norge AS | — | Under construction |
| DVALIN GAS EXPORT RISER BASE | Norway | — | — | Under construction |
| DVALIN PLEM | Norway | — | — | Under construction |
| DVALIN PRODUCTION RISER BASE SSIV | Norway | — | — | Under construction |