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In view of the advantages of low cost and fast communication in wireless communication technology, a new control system of subsea BOP stack based on underwater acoustic communication network is proposed for mechanical automation mining of subsea oil field. The system can realize wireless communication by using sound wave; the system increases a way of micro PLC in subsea control box to start the automatic shearing subsystem of oil well drilling pipe, and the subsystem has an automatic switching function of the two states of "forbidden" and "standby". Compared to the existing control system, the safety and reliability and automation degree of the new system are greatly improved; especially the safety of personnel and equipment in critical condition can further be ensured. Therefor the new system can provide important technical reference to develop subsea BOP stack control system in the sea.

Optimization of Subsea BOP Stack Control System Based on Underwater Acoustic Wireless Communication Network