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根据超深井油气开发的需求以及各界不断重视井控装备的安全性,提高设备配置安全系数的要求,研制了105 MPa超高压环形防喷器。该防喷器承压件采用锻件,壳体为高脚杯结构,胶芯为锥形,采用有限元进行优化设计,研制了密封可靠性较高的胶芯。该防喷器具有结构简单,承压能力强,密封可靠的特点。通过试验表明,其各项性能指标符合API Spec 16A规范和GB/T 20174的规定。
According to the requirements of ultra-deep well oil and gas development and the continuous attention from all walks of life to well control equipment safety and equipment safety requirements, a 105 MPa EHV annular blowout preventer has been developed. The blowout preventer pressure parts are forgings, the shell is a goblet structure, the rubber core is conical, the finite element is used to optimize the design, and a rubber core with high sealing reliability is developed. The blowout preventer has the advantages of simple structure, strong pressure bearing capability and reliable sealing. The test showed that its performance index in line with the provisions of the API Spec 16A and GB / T 20174 requirements.