石油套管特殊螺纹接头密封性能控制方法研究

Research on the Methods of Sealing Property Control for Casing Premium Connection

密封可靠性是石油套管特殊螺纹接头最重要的性能指标之一,该文从结构设计、加工检测以及运输使用三个方面对特殊螺纹接头密封可靠性控制方法进行了详细的归纳总结和具体分析,给出了在选择螺纹结构、金属密封面形式、扭矩台肩设计、生产设备、加工工艺、检测检验方法以及运输和现场使用方面的注意事项和推荐选用的参数。为石油套管特殊螺纹接头生产企业提升产品性能和质量可靠性提供了一定的参考。

The sealing is one of the most important performance for casing premium connection.the methods controlling sealing property were analyzed and summarized in detail from the aspects of structure design、processing inspection、transportation and use.Attentions were paid to controlling sealing property key points such as thread structure、sealing surface form、torque shoulder design、equipment、processing、inspection methods、transportation and use.Reasonable parameters for controlling sealing performance were also recommended.some suggestions are given on improving product quality and performance for casing premium connection.