Hazardous Area Sites
Site lists / Offshore platforms in the US
Offshore platforms in the US
The open map layer has 232 offshore platforms in US waters, most of them in the Gulf of Mexico, counted on 2 November 2026 from OpenStreetMap. Each has a location, a name where one is mapped, and the operator where OpenStreetMap lists one. How we count.
Official figure. The Bureau of Safety and Environmental Enforcement oversees nearly 2,000 offshore oil and gas facilities in the Gulf of America. BSEE, Gulf of America Region.
Hazardous-area classification and field workforce for these sites are in Map Premium.
The 83 named offshore platforms
149 more are mapped in OpenStreetMap without a name. They are in the count and on the map above. Sorted by name. Click a column heading to sort. Names link to the OpenStreetMap record.
| Name | Location | Operator |
|---|---|---|
| 271(SL 1012)M | 28.983, -89.225 | Whitney Oil & Gas, LLC |
| 48 (TSB) | 29.476, -92.066 | Chevron USA Inc. |
| A | 60.795, -151.498 | n/a |
| ALABASTER | 28.547, -89.930 | Energy XXI Gulf of Mexico, LLC |
| AMBERJACK | 28.865, -88.931 | Stone Energy Corporation |
| ATLANTIS | 27.196, -90.027 | BP Exploration & Production Inc. |
| AUGER TLP | 27.546, -92.443 | Shell Offshore Inc. |
| B (NEWFIELD) | 28.957, -89.752 | W & T Offshore, Inc. |
| BALDPATE | 27.734, -91.994 | Hess Corporation |
| BB(FMR CAIS.#1) | 30.149, -88.146 | Exxon Mobil Corporation |
| BOOMVANG | 27.354, -94.625 | Anadarko Petroleum Corporation |
| BOXER | 27.946, -90.997 | Shell Offshore Inc. |
| BRUTUS | 27.796, -90.648 | Shell Offshore Inc. |
| CAIS.#206 | 29.343, -91.949 | Chevron USA Inc. |
| CAIS.#23 | 29.127, -91.719 | Fieldwood Energy LLC |
| CAIS.#3 | 29.316, -88.961 | Energy XXI Gulf of Mexico, LLC |
| CAIS.#5 | 29.418, -89.013 | Chevron USA Inc. |
| CAIS.#8 | 29.625, -93.197 | Fieldwood Energy LLC |
| CAIS.F | 29.109, -91.896 | Fieldwood Energy LLC |
| CAIS.F | 29.634, -93.189 | Fieldwood Energy LLC |
| CASCADE | 26.696, -90.508 | Petrobras America Inc. |
| CD(FMER CAIS.#1 | 29.002, -91.877 | Chevron USA Inc. |
| CINNAMON | 27.877, -91.873 | Apache Corporation |
| COGNAC | 28.791, -89.056 | Enven Energy Ventures, LLC |
| CONSTITUTION | 27.292, -90.968 | Anadarko Petroleum Corporation |
| CYRUS | 27.911, -94.397 | Chevron USA Inc. |
| DEVILS TOWER | 28.209, -88.737 | ENI US Operating Co. Inc. |
| DIESEL | 29.442, -92.061 | Chevron USA Inc. |
| DWPF | 28.530, -90.979 | Fieldwood Energy LLC |
| ELLY | 33.583, -118.128 | Beta Operating Company, LLC |
| ENCHILAD | 27.876, -91.986 | Shell Offshore Inc. |
| EUREKA | 33.564, -118.117 | Beta Operating Company, LLC |
| FRONT RUNNER | 27.625, -90.441 | Murphy Exploration & Production Co. - USA |
| GILD | 34.182, -119.420 | Dcor, LLC |
| GRACE | 34.180, -119.469 | Venoco, Inc. |
| GUNNISON SPAR | 27.304, -93.538 | Anadarko Petroleum Corporation |
| HABITAT | 34.287, -119.589 | Dcor, LLC |
| HARMONY | 34.377, -120.169 | Exxon Mobil Corporation |
| HELIX | 27.730, -91.109 | Energy Resource Technology Gulf of Mexico, Inc. |
| HERITAGE | 34.350, -120.280 | Exxon Mobil Corporation |
| HERMOSA | 34.455, -120.647 | Freeport-mcmoran Oil & Gas LLC |
| HICKORY | 28.310, -90.071 | Fieldwood Energy LLC |
| HOGAN | 34.338, -119.542 | Pacific Operators Offshore LLC |
| HOLSTEIN SPAR | 27.322, -90.536 | Freeport-mcmoran Oil & Gas LLC |
| HOOVER SPAR | 26.939, -94.689 | Exxon Mobil Corporation |
| HORN MOUNTAIN | 28.866, -88.056 | Freeport-mcmoran Oil & Gas LLC |
| HOUCHIN | 34.335, -119.553 | Pacific Operators Offshore LLC |
| JACK ST. MALO | 26.235, -91.261 | Chevron USA Inc. |
| Julius R | 60.936, -151.159 | n/a |
| JUNCTION | 28.411, -92.055 | Fieldwood Energy LLC |
| LEN CT | 28.663, -89.158 | Exxon Mobil Corporation |
| LOBSTER | 28.101, -90.202 | Enven Energy Ventures, LLC |
| LUCIUS | 26.132, -92.040 | Anadarko Petroleum Corporation |
| LYNX | 28.578, -91.886 | Energy XXI Gulf of Mexico, LLC |
| MAD DOG SPAR | 27.189, -90.269 | BP Exploration & Production Inc. |
| MAHOGANY | 28.062, -91.062 | W & T Offshore, Inc. |
| Main Pass 69P | 29.261, -89.031 | n/a |
| MARCO POLO | 27.362, -90.181 | Anadarko Petroleum Corporation |
| MARLIN TLP | 29.108, -87.944 | Freeport-mcmoran Oil & Gas LLC |
| MARS TLP | 28.170, -89.223 | Shell Offshore Inc. |
| MATTERHORN | 28.743, -88.826 | W & T Energy Vi, LLC |
| MEDUS SPAR | 28.393, -89.454 | Murphy Exploration & Production Co. - USA |
| MIRAGE/TITAN | 28.034, -89.101 | Bennu Oil & Gas, LLC |
| MTLP SHENZI | 27.301, -90.135 | BHP Billiton Petroleum (gom) Inc. |
| NEPTUNE SPAR | 29.164, -87.988 | Noble Energy, Inc. |
| NORTH | 28.441, -92.036 | Fieldwood Energy LLC |
| PERIDIDO | 26.129, -94.898 | Shell Offshore Inc. |
| PETRONIUS CT | 29.229, -87.781 | Chevron USA Inc. |
| PIG-TRAP | 29.347, -89.108 | Medco Energi Us LLC |
| Platform Emmy | 33.662, -118.045 | n/a |
| PRINCE | 27.993, -90.326 | Enven Energy Ventures, LLC |
| RAM POWELL | 29.061, -88.092 | Shell Offshore Inc. |
| SALS | 27.841, -91.988 | Shell Offshore Inc. |
| SEAHORSE PRO | 28.308, -90.022 | Llog Exploration Offshore, LLC |
| TAHITI-SPAR | 27.326, -90.714 | Chevron USA Inc. |
| TANZANITE | 28.164, -91.369 | Fieldwood Energy LLC |
| TARANTUL | 28.162, -90.228 | Fieldwood Energy LLC |
| THUNDER HORSE | 28.191, -88.496 | BP Exploration & Production Inc. |
| TICK | 27.779, -93.310 | Chevron USA Inc. |
| TRIMARS | 28.785, -90.769 | Trunkline Gas Co., LLC |
| Tyonek A | 61.076, -150.951 | n/a |
| VIRGO | 29.182, -88.168 | W & T Energy Vi, LLC |
| WHO DAT | 28.416, -89.016 | Llog Exploration Offshore, LLC |
Data © OpenStreetMap contributors, available under the Open Database Licence. This list is offered under the same licence. More on the licensing page.
Operators
The most frequent operator tags on these sites in OpenStreetMap. Many sites carry no operator tag.
- Fieldwood Energy LLC: 43 offshore platforms
- Chevron USA Inc.: 30 offshore platforms
- Energy XXI Gulf of Mexico, LLC: 18 offshore platforms
- W & T Offshore, Inc.: 17 offshore platforms
- Shell Offshore Inc.: 10 offshore platforms
- Exxon Mobil Corporation: 8 offshore platforms
- Renaissance Offshore, LLC: 7 offshore platforms
- Enven Energy Ventures, LLC: 6 offshore platforms
Questions
How many oil rigs are off the coast of the United States?
The open map layer has 232 offshore platforms in the US, counted on 2 November 2026 from OpenStreetMap. The Bureau of Safety and Environmental Enforcement oversees nearly 2,000 offshore oil and gas facilities in the Gulf of America. Source: BSEE, Gulf of America Region.
Which companies operate offshore platforms in the Gulf of Mexico?
By the operator tag in OpenStreetMap, the most frequent operators of offshore platforms in the US are Fieldwood Energy LLC (43), Chevron USA Inc. (30), Energy XXI Gulf of Mexico, LLC (18), W & T Offshore, Inc. (17), Shell Offshore Inc. (10). Many sites have no operator tag, so treat this as a sample.
Is this a complete list of Gulf of Mexico platforms?
No. It lists the offshore platforms that volunteers have mapped in OpenStreetMap, which is the free open map layer. Hazardous Area Sites adds sites from official registers and research in its Premium layer, with classification and field workforce.