Use flexible storage device's deep water floating oil gas platform under water

The utility model discloses an use flexible storage device's deep water floating oil gas platform under water, include at least one stand and fix the production chunk at its top be equipped with flexible storage device under water on the stand, flexible storage device includes annular airtight storage tank and a plurality of storage monomer under water, and is a plurality of the vertical range rigid coupling of storage monomer is in in the airtight storage tank of annular, the airtight storage tank of annular is equipped with the water pipe with external intercommunication, the storage monomer is equipped with the soft bag of flexibility and an open sheath be equipped with on the flexible soft bag with the loading and unloading medium pipeline that the production chunk is connected, loading and unloading medium pipeline is fixed on the open sheath. The utility model discloses the safety ring guarantor adopts flexible soft bag storage medium, realizes the separation of medium and water, and volume utilization