Spirit VK 780A Becomes Two Deep Gulf Reef Sites

Alabama has added two deep offshore sites to its artificial-reef program by converting portions of the decommissioned Spirit VK 780A natural-gas platform. The project was completed through an agreement between former owner APA Corporation and the Alabama Department of Conservation and Natural Resources.

The platform deck was removed and taken ashore for decommissioning. The well jacket and legs were cut to provide 90 feet of navigational clearance. The lower section, now designated VK 780-B, remains at the original location in 722 feet of water. It rises 632 feet from the seafloor, preserving habitat that has developed on the platform since 1998.

The relocated upper section is designated VK 780-T. Alabama placed the 85-by-77-foot structure in the Tatum Winn South reef zone, 45.4 nautical miles south of Sand Island Lighthouse. It rests in 206 feet of water and provides 107 feet of vertical relief, putting its shallowest point at approximately 99 feet.

APA Corporation also donated $1.5 million to the state Marine Resources Division for research, monitoring, habitat restoration and marine-resource management. Alabama says the two sites are now shown on its offshore reef-zone map and describes the project as supporting both habitat and diving opportunities.

The sites are substantial additions for experienced offshore divers, but their dimensions demand careful interpretation. A diver can reach the upper structure without visiting the 206- or 722-foot seabed; those bottom depths remain technical or expedition territory. Distance offshore, current, blue-water ascents, boat traffic, gas planning and the lack of a recreational-depth bottom make local operator knowledge and conservative dive planning essential.