Automatic control system and method for drilling blowout prevention

• Main Authors: CAO TENGYUE, CHEN PING, WANG ZHIYUAN, LYU PENGFEI, HAO XIAORUI, WANG HAIFENG, SHANG ZHENG, SHI ZHANGZE
• Format: Patent
• Language: Chinese; English
• Published: 28.06.2022
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The drilling blowout prevention automatic control system comprises a slag removal water tank, a blowout prevention box, a drilling machine, a PLC intelligent control cabinet, a network switch and a coal mine information management and control platform, an orifice blowout prevention device is arranged at a selected drilling position, and a pressure sensor connected with the PLC intelligent control cabinet through a wire is arranged at the position, close to an orifice sleeve, of the orifice blowout prevention device; an electric gate valve connected with the PLC intelligent control cabinet through a wire is arranged on an inlet pipe, connected with the gas extraction main pipeline, of the slag removal water tank, information transmission is conducted between the pressure sensor and the electric gate valve through the PLC intelligent control cabinet, and the electric gate valve can act in time when gas is jetted out, so that the jetted gas is rapidly discharged. And the accident record is transmitted to the coa