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Old Oil Rigs Become Thriving Underwater Cities
19 Sep
Summary
- Retired oil rigs are repurposed as artificial reefs in the Gulf.
- California platforms show significantly higher fish production.
- Reefing costs less than full platform removal for companies.
Aging oil and gas rigs in the Gulf of Mexico are increasingly being converted into artificial reefs, fostering marine ecosystems. Between 2017 and 2020, the federal Rigs-to-Reefs program facilitated the transformation of 43 retired platforms into underwater habitats. These structures now support over 100 species of fish and provide surfaces for diverse marine life.
Research conducted off the coast of California demonstrated that these artificial platforms generate exceptionally high fish production, exceeding natural reefs by substantial margins. Studies indicate that the complex structure of the platforms, rather than simple attraction, drives this robust marine growth, with larvae settling and maturing on the hard surfaces.
Similar patterns have been observed in the Gulf of Mexico, though with some differences in fish density concentration. The conversion of these platforms into reefs is also noted to be more cost-effective for companies compared to complete removal, while also offering continued opportunities for coastal communities.
