The interaction between offshore oil platforms and marine biodiversity presents a unique opportunity to explore ecological dynamics and the potential for sustainable energy solutions. This study focuses on the Union Oil Platform EVA off Huntington Beach, California, examining how these man-made structures function as artificial reefs and their impact on surrounding marine ecosystems. Through underwater surveys, we assessed the abundance and diversity of fouling organisms, epibenthic populations, and the distribution of benthic species based on proximity to the platform. Our findings reveal significant densities of sea mussels and a thriving community of sea stars and anemones, highlighting the ecological role of oil platforms in supporting diverse marine life. The trophic modeling developed from collected data demonstrates high productivity and turnover rates within these communities, emphasizing the platforms’ importance in local food webs. Additionally, this research explores the implications of reusing decommissioned offshore platforms for renewable energy production. By evaluating various scenarios, including the conversion of these structures to support wind or solar energy generation, we present a framework for understanding the economic and environmental viability of such transitions. The potential for integrating renewable energy solutions with existing marine habitats offers a path toward mitigating the ecological impacts of decommissioning while enhancing energy sustainability. As global energy demands increase and the need for decarbonization becomes urgent, this study underscores the significance of rethinking the fate of offshore oil platforms. By fostering marine biodiversity and serving as platforms for renewable energy, these structures can play a critical role in the ongoing energy transition, ultimately contributing to a more sustainable future for both marine ecosystems and energy production.

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1. Kovalenko RG, Kim LV. Durability evaluation of marine and offshore structures. In: Proceedings of the 19th International Offshore and Polar Engineering Conference. Osaka, Japan. 2009 July.
2. Zulkifli MAR, et al. Environmental impacts of utilization of ageing fixed offshore platform for ocean thermal energy conversion. J Phys. 2022;2259:012019.
3. Wahab MMA, et al. Condition assessment techniques for aged fixed-type offshore platforms considering decommissioning: a historical review. J Mar Sci Appl. 2020;19:584.
4. Muyiwa OA, Sadeghi K. Construction planning of an offshore petroleum platform. J Soc Appl Sci. 2007;2(4):82.
5. Capobianco N, et al. End-of-life management of oil and gas offshore platforms: challenges and opportunities for sustainable decommissioning. Sinergie Italian J Manag. 2022;40(2):299.
6. Wolfson A, et al. The marine life of an offshore oil platform. Mar Ecol Prog Ser. 1979;1:81.
7. Leporini M, et al. Reconversion of offshore oil and gas platforms into renewable energy sites production: assessment of different scenarios. Renew Energy. 2019;135:1121.
8. Tunnicliffe V, McArthur AG. The role of artificial reefs in the restoration of marine biodiversity: a case study of oil platforms. Mar Ecol Progr Ser. 2020;646:1–15.
9. Mengerink KJ, et al. A call for deep-ocean stewardship. Science. 2014;344(6184):812–3.
10. O’Hara T, et al. Ecological implications of oil platforms as artificial reefs: a review of the literature. J Mar Sci Eng. 2019;7(5):136.

The interaction between offshore oil platforms and marine biodiversity presents a unique opportunity to explore ecological dynamics and the potential for sustainable energy solutions. This study focuses on the Union Oil Platform EVA off Huntington Beach, California, examining how these man-made structures function as artificial reefs and their impact on surrounding marine ecosystems. Through underwater surveys, we assessed the abundance and diversity of fouling organisms, epibenthic populations, and the distribution of benthic species based on proximity to the platform. Our findings reveal significant densities of sea mussels and a thriving community of sea stars and anemones, highlighting the ecological role of oil platforms in supporting diverse marine life. The trophic modeling developed from collected data demonstrates high productivity and turnover rates within these communities, emphasizing the platforms’ importance in local food webs. Additionally, this research explores the implications of reusing decommissioned offshore platforms for renewable energy production. By evaluating various scenarios, including the conversion of these structures to support wind or solar energy generation, we present a framework for understanding the economic and environmental viability of such transitions. The potential for integrating renewable energy solutions with existing marine habitats offers a path toward mitigating the ecological impacts of decommissioning while enhancing energy sustainability. As global energy demands increase and the need for decarbonization becomes urgent, this study underscores the significance of rethinking the fate of offshore oil platforms. By fostering marine biodiversity and serving as platforms for renewable energy, these structures can play a critical role in the ongoing energy transition, ultimately contributing to a more sustainable future for both marine ecosystems and energy production.

🔒 This is a subscription article

Full text is available to subscribers and institutional members. Please choose an option below to access it.

1. Kovalenko RG, Kim LV. Durability evaluation of marine and offshore structures. In: Proceedings of the 19th International Offshore and Polar Engineering Conference. Osaka, Japan. 2009 July.
2. Zulkifli MAR, et al. Environmental impacts of utilization of ageing fixed offshore platform for ocean thermal energy conversion. J Phys. 2022;2259:012019.
3. Wahab MMA, et al. Condition assessment techniques for aged fixed-type offshore platforms considering decommissioning: a historical review. J Mar Sci Appl. 2020;19:584.
4. Muyiwa OA, Sadeghi K. Construction planning of an offshore petroleum platform. J Soc Appl Sci. 2007;2(4):82.
5. Capobianco N, et al. End-of-life management of oil and gas offshore platforms: challenges and opportunities for sustainable decommissioning. Sinergie Italian J Manag. 2022;40(2):299.
6. Wolfson A, et al. The marine life of an offshore oil platform. Mar Ecol Prog Ser. 1979;1:81.
7. Leporini M, et al. Reconversion of offshore oil and gas platforms into renewable energy sites production: assessment of different scenarios. Renew Energy. 2019;135:1121.
8. Tunnicliffe V, McArthur AG. The role of artificial reefs in the restoration of marine biodiversity: a case study of oil platforms. Mar Ecol Progr Ser. 2020;646:1–15.
9. Mengerink KJ, et al. A call for deep-ocean stewardship. Science. 2014;344(6184):812–3.
10. O’Hara T, et al. Ecological implications of oil platforms as artificial reefs: a review of the literature. J Mar Sci Eng. 2019;7(5):136.