The jacket of WZ 12-1 is a large 8 legs, shallow water jacket, installed in Beibu Bay in the western part of South China Sea where the water depth is 33.67 m and wave is high.

• 涠洲12-1导管架是一座8腿大型浅水导管架；位于南海西部北部湾；平均水深33.；67m。 风浪较大。