Oil and gas platforms: S
145 oil and gas platforms
| Platform | Country | Operator | Structure | Project stage |
|---|---|---|---|---|
| Sabratha Platform | Lybia | Mellitah | Fixed steel | Operating |
| SALTIRE | United Kingdom | REPSOL SINOPEC RESOURCES | PLATFORM | Decommissioned |
| SAN GIORGIO MARE 3 | Italy | EDISON | Fixed steel | Operating |
| SAN GIORGIO MARE 6 | Italy | EDISON | Fixed steel | Operating |
| SAN GIORGIO MARE C | Italy | EDISON | Fixed steel | Operating |
| SANTO STEFANO MARE 1-9 | Italy | EDISON | Fixed steel | Operating |
| SANTO STEFANO MARE 101 | Italy | EDISON | Fixed steel | Operating |
| SANTO STEFANO MARE 3-7 | Italy | EDISON | Fixed steel | Operating |
| SANTO STEFANO MARE 4 | Italy | EDISON | Fixed steel | Operating |
| SANTO STEFANO MARE 8 BIS | Italy | EDISON | Fixed steel | Operating |
| SARAGO MARE 1 | Italy | EDISON | Fixed steel | Operating |
| SARAGO MARE A | Italy | EDISON | Fixed steel | Operating |
| SATURN ND | United Kingdom | CHRYSAOR HOLDINGS | PLATFORM | Operating |
| SCARBOROUGH WAVERIDER BUOY KFB02/2013 AREA3 | United Kingdom | FUGRO | BUOY | Operating |
| SCARWEATHER GUARD BUOY KFB20/2012 AREA5 | United Kingdom | CEFAS | BUOY | Operating |
| SCARWEATHER WAVERIDER BUOY KFB20/2012 AREA5 | United Kingdom | CEFAS | BUOY | Operating |
| SCHOONER A | United Kingdom | DNO NORTH SEA | PLATFORM | Closed down |
| SCOTT JD | United Kingdom | CNOOC INTERNATIONAL | PLATFORM | Operating |
| SCOTT JU | United Kingdom | CNOOC INTERNATIONAL | PLATFORM | Operating |
| SEAN PD | United Kingdom | ONE-DYAS | PLATFORM | Operating |
| SEAN PP | United Kingdom | ONE-DYAS | PLATFORM | Operating |
| SEAN RD | United Kingdom | ONE-DYAS | PLATFORM | Operating |
| Seven Heads | Ireland | PSE Kinsale Energy | Subsea steel | Operating |
| SHAMROCK QS | United Kingdom | ROYAL DUTCH SHELL | PLATFORM | Operating |
| SHEARWATER A | United Kingdom | ROYAL DUTCH SHELL | PLATFORM | Operating |
| SHEARWATER C | United Kingdom | ROYAL DUTCH SHELL | PLATFORM | Operating |
| SHELL 17 UK 49/25A (W. CARDINAL BUOY) | United Kingdom | ONE-DYAS | BUOY | Operating |
| SHTORMOVAYA-17 | Ukraine | — | — | Operating |
| Sidetap A6-F3 | Netherlands | — | — | Operating |
| Sidetap F15-FA-1 | Netherlands | — | — | Operating |
| Sidetap F2A Hanze | Netherlands | — | — | Operating |
| Sidetap F3-FA | Netherlands | — | — | Operating |
| Sidetap K10-V | Netherlands | — | — | Operating |
| Sidetap K12-A | Netherlands | — | — | Operating |
| Sidetap K13-C | Netherlands | — | — | Operating |
| Sidetap K13-C#2 | Netherlands | — | — | Operating |
| Sidetap K14-FA-1 | Netherlands | — | — | Operating |
| Sidetap K15-FA-1 | Netherlands | — | — | Operating |
| Sidetap K5-A | Netherlands | — | — | Operating |
| Sidetap K9ab-A | Netherlands | — | — | Operating |
| Sidetap L10-E | Netherlands | — | — | Operating |
| Sidetap L10-G | Netherlands | — | — | Operating |
| Sidetap L10-K | Netherlands | — | — | Operating |
| Sidetap L15-FA-1 | Netherlands | — | — | Operating |
| Sidetap L5-FA-1 | Netherlands | — | — | Operating |
| Sidetap L8-H | Netherlands | — | — | Operating |
| Sidetap L9-FB-1 | Netherlands | — | — | Operating |
| Sidetap L9-FF-1 | Netherlands | — | — | Operating |
| Sidetap P2-SE | Netherlands | — | — | Operating |
| Sidetap Q1-D | Netherlands | WIN | — | Operating |
| Sidetap Q1-Hoorn-A | Netherlands | — | — | Operating |
| SIGYN | Norway | Equinor Energy AS | Subsea steel | Operating |
| SIMONETTA 1 | Italy | ENI | Fixed steel | Operating |
| Siri | Denmark | DONG E & P | Other | Operating |
| Siri - offloading facility | Denmark | DONG E & P | Subsea steel | Operating |
| SIZEWELL GUARD BUOY KFB25/2012 AREA3 | United Kingdom | CEFAS | BUOY | Operating |
| SIZEWELL WAVERIDER BUOY KFB25/2012 AREA3 | United Kingdom | CEFAS | BUOY | Operating |
| SKARV A | Norway | Aker BP ASA | Subsea steel | Operating |
| SKARV B/C VEST | Norway | Aker BP ASA | Fixed steel | Operating |
| SKARV B/C ØST | Norway | Aker BP ASA | Fixed steel | Operating |
| SKARV ERB | Norway | Aker BP ASA | Fixed steel | Operating |
| SKARV FPSO | Norway | Aker BP ASA | Fixed steel | Operating |
| SKIFF PS | United Kingdom | ROYAL DUTCH SHELL | PLATFORM | Operating |
| SKINFAKS N | Norway | Equinor Energy AS | Subsea steel | Operating |
| SKIRNE | Norway | TotalEnergies EP Norge AS | Subsea steel | Operating |
| Skjold A | Denmark | Mærsk | Fixed steel | Operating |
| Skjold B | Denmark | Mærsk | Fixed steel | Operating |
| Skjold C | Denmark | Mærsk | Fixed steel | Operating |
| SLEIPNER A | Norway | Equinor Energy AS | Gravity-based concrete | Operating |
| SLEIPNER B | Norway | Equinor Energy AS | Fixed steel | Operating |
| SLEIPNER C | Norway | Equinor Energy AS | Subsea steel | Operating |
| SLEIPNER D | Norway | Equinor Energy AS | Subsea steel | Operating |
| SLEIPNER FL | Norway | Equinor Energy AS | Fixed steel | Operating |
| SLEIPNER R | Norway | Equinor Energy AS | Fixed steel | Operating |
| SLEIPNER T | Norway | Equinor Energy AS | Fixed steel | Operating |
| SMØRBUKK NORD | Norway | Equinor Energy AS | — | Under construction |
| SNORRE A | Norway | Equinor Energy AS | Floating steel | Operating |
| SNORRE B | Norway | Equinor Energy AS | Floating steel | Operating |
| SNORRE B SBV | Norway | Equinor Energy AS | Subsea steel | Operating |
| SNORRE MDU | Norway | Equinor Energy AS | Subsea steel | Operating |
| SNORRE SDU-1 | Norway | Equinor Energy AS | Subsea steel | Operating |
| SNORRE SDU-2 | Norway | Equinor Energy AS | Subsea steel | Operating |
| SNORRE SEP M | Norway | Equinor Energy AS | — | Operating |
| SNORRE SEP N | Norway | Equinor Energy AS | — | Operating |
| SNORRE SEP V | Norway | Equinor Energy AS | — | Operating |
| SNORRE SEP W | Norway | Equinor Energy AS | — | Operating |
| SNORRE SEP X | Norway | Equinor Energy AS | — | Operating |
| SNORRE SEP Z | Norway | Equinor Energy AS | — | Operating |
| SNORRE UPA | Norway | Equinor Energy AS | Subsea steel | Operating |
| SNØHVIT CDU-1 | Norway | Equinor Energy AS | Subsea steel | Operating |
| SNØHVIT D | Norway | Equinor Energy AS | Subsea steel | Operating |
| SNØHVIT E | Norway | Equinor Energy AS | Subsea steel | Operating |
| SNØHVIT F | Norway | Equinor Energy AS | Subsea steel | Operating |
| SNØHVIT G | Norway | Equinor Energy AS | — | Under construction |
| SNØHVIT N | Norway | Equinor Energy AS | Subsea steel | Operating |
| SNØHVIT PLEM-1 | Norway | Equinor Energy AS | Subsea steel | Operating |
| SOLAN | United Kingdom | HARBOUR ENERGY PLC | PLATFORM | Operating |
| SOUTH MORECAMBE AP1 | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| SOUTH MORECAMBE CPP1 | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| SOUTH MORECAMBE DP1 | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| SOUTH MORECAMBE DP3 | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| SOUTH MORECAMBE DP4 | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| SOUTH MORECAMBE DP6 | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| SOUTH MORECAMBE DP8 | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| SOUTH MORECAMBE FL1 | United Kingdom | SPIRIT ENERGY | PLATFORM | Operating |
| SOUTH VALIANT | United Kingdom | CHRYSAOR HOLDINGS | PLATFORM | Closed down |
| South West Kinsale | Ireland | PSE Kinsale Energy | Subsea steel | Operating |
| SOUTHWARK JACKET | United Kingdom | IOG PLC | OTHER SURFACE | Operating |
| SQUALO | Italy | ENI | Fixed steel | Operating |
| ST ANDREWS BAY SAMMO - 3 DATA BUOY KFB 23/2012 | United Kingdom | — | BUOY | Closed down |
| ST FERGUS GAS TERMINAL | United Kingdom | — | TERMINAL | Operating |
| ST-1 PLATFORM | United Kingdom | SPIRIT ENERGY | PLATFORM | Decommissioned |
| STAT-SSTC | Norway | Gassco AS | Subsea steel | Operating |
| STATFJ-NORD SSIV | Norway | Equinor Energy AS | Subsea steel | Operating |
| STATFJORD A | Norway | Equinor Energy AS | Gravity-based concrete | Operating |
| STATFJORD A-OLS | Norway | Equinor Energy AS | Other | Operating |
| STATFJORD B | Norway | Equinor Energy AS | Gravity-based concrete | Operating |
| STATFJORD B-OLS | Norway | Equinor Energy AS | Other | Operating |
| STATFJORD C | Norway | Equinor Energy AS | Gravity-based concrete | Operating |
| STATFJORD C-SPM | Norway | Equinor Energy AS | Other | Decommissioned |
| STATFJORD G | Norway | Equinor Energy AS | Subsea steel | Closed down |
| STATFJORD H | Norway | Equinor Energy AS | Subsea steel | Closed down |
| STATFJORD NORD D | Norway | Equinor Energy AS | Subsea steel | Operating |
| STATFJORD NORD E | Norway | Equinor Energy AS | Subsea steel | Operating |
| STATFJORD NORD F | Norway | Equinor Energy AS | Subsea steel | Operating |
| STATFJORD ØST K | Norway | Equinor Energy AS | Subsea steel | Operating |
| STATFJORD ØST L | Norway | Equinor Energy AS | Subsea steel | Operating |
| STATFJORD ØST M | Norway | Equinor Energy AS | Subsea steel | Operating |
| STATFJORD-A-ALP | Norway | Equinor Energy AS | Other | Decommissioned |
| STATFJORD-B-SPM | Norway | Equinor Energy AS | Other | Decommissioned |
| Stine SCB-1 | Denmark | DONG E & P | Subsea steel | Operating |
| Stine SCB-2 | Denmark | DONG E&P | Subsea steel | Operating |
| STJERNE | Norway | Equinor Energy AS | Fixed steel | Operating |
| STONEHAVEN SAMMO - 2 DATA BUOY KFB 23/2012 AREA2 | United Kingdom | — | BUOY | Closed down |
| STT-IN | Norway | Gassco AS | Subsea steel | Operating |
| SULLOM VOE OIL TERMINAL | United Kingdom | — | TERMINAL | Operating |
| SURFACE MOORING BUOY 1 | United Kingdom | ONE-DYAS | OTHER SURFACE | Operating |
| SURFACE MOORING BUOY 2 | United Kingdom | ONE-DYAS | OTHER SURFACE | Operating |
| SVALIN C | Norway | Equinor Energy AS | Fixed steel | Operating |
| Svend | Denmark | Mærsk | Fixed steel | Operating |
| Syd Arne | Denmark | Hess Denmark | Gravity-based concrete | Operating |
| Syd Arne - offloading facility | Denmark | Hess Denmark | Subsea steel | Operating |
| Syd Arne - wellhead platform E | Denmark | Hess Denmark | Fixed steel | Operating |
| Syd Arne - wellhead platform N | Denmark | Hess Denmark | Fixed steel | Operating |
| SYGNA N | Norway | Equinor Energy AS | Subsea steel | Operating |